How to choose a true wireless headset? Recommendation of the most worthwhile true wireless headset within 1,000 yuan in the first half of 2022

There are fewer and fewer 3.5mm audio interfaces on mobile phones, and it’s really impossible to go out and listen to songs without a real wireless headset. It coincides with the 618 promotion. As a peripheral accessory, the discount of true wireless headphones even exceeds that of mobile phones. Now is definitely the best time to start.


Today, let’s take stock of the real wireless headphones that are worth buying for ordinary mobile phone users rather than extreme music enthusiasts within the price of 1,000 yuan.


First of all, let’s talk about several standards around the evaluation of headphones at various price points.


1, noise reduction: active noise reduction function, high-end essential, entry need not be forced.


For true wireless headphones, the most convenient and important function at present is active noise reduction. Generally speaking, in-ear headphones are naturally superior in noise reduction effect, with passive noise reduction effect, and a closed environment is more conducive to the effectiveness of the algorithm; However, open earphones such as semi-in-ear headphones will always have a poor effect because they are not airtight.


For a true wireless headset, if there is no special demand for wearing comfort, active noise reduction should be a must at the middle and high price. And those 100 yuan entry-level true wireless, you don’t have to force too much.


On the premise that everyone has active noise reduction function, the higher the noise reduction depth, the better the noise reduction effect will be. Usually active noise reduction is only for low-frequency noise, and the latest broadband noise reduction even covers high-frequency voices, so the latter is also superior. In addition, excellent products will also provide multi-gear noise reduction mode and adaptive noise reduction function, which not only have good noise reduction effect, but also will be more comfortable to use.


2. Sound quality: lossless coding and large caliber/multi-sounding units are all extra points.


Headphones can’t just listen to the sound, but the sound quality is also very important. For today’s true wireless headphones, with the increase of price, sound quality is actually one of the biggest characteristics to distinguish different price segments.


From low to high, the specifications of the sound generating unit, the support for high-definition lossless coding and the tuning will get better and better. The sound of low-priced products is definitely not as good as that of high-priced products, while the products in the same price range will have differences in tuning orientation, and we will explain them one by one.


3. Delay: The mid-to-high-end low-delay mode is essential, and gamers must choose it.


In the early days of the birth of true wireless headphones, many products had serious delay problems because they did not support binaural synchronization.


However, with the popularity of binaural synchronization, most true wireless headphones have been able to control the delay within 500 ms. Daily listening to songs and operation are not affected.


Now it’s a step further, and headphones of all prices have basically popularized the game mode with low latency. Using a specific code and matching a mobile phone can get a delay of about 100ms, which is a necessary item for gamers to choose a true wireless headset. If there are headphones that are not yet supported, we will also mark the reminder.


4. Comfort: In-ear style is the mainstream semi-in-ear style. There is still a market and a new form of "doughnut".


True wireless headphones often adopt in-ear modeling, because it can not only improve the bass effect, but also have good sound insulation and noise reduction performance. Sound quality and noise reduction are satisfactory, and it is reasonable for it to become the mainstream.


Although they are both in-ear, there are actually some differences in the design of shapes.


Generally speaking, the wearing comfort and fit of bean style are better than that of rod style, while the comfort of semi-in-ear style is better than that of in-ear style, but the fit is worse. Therefore, there are many semi-in-ear headphones on the market, which are more friendly to the ear canal and more comfortable to wear.


At the same time, there are also manufacturers exploring new forms of true wireless headphones. As early adopters, we will also recommend these unconventional new products.


In the next few products, we will evaluate them around the above points. After all, the quality of digital products can’t be simply described by the addition and subtraction of functions. We will recommend several products that I think have done well around the above aspects from the price range in 100 yuan to the end of 1000 yuan.


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The products with a price of 100 yuan are extremely rich. You may not even be in 100 yuan next time, so you can buy a reliable brand of true wireless headset to meet your needs of listening to songs anytime and anywhere. With a little money, you can have the king of cost performance that supports active noise reduction. If your budget is not high, the following products are very suitable for you.


1, rambler voice X2


Wear mode: semi-in-ear


Sound generating unit: 13mm moving coil


Bluetooth protocol: Bluetooth 5.1


Noise reduction: none


Call: dual microphones


Weight: about 3.5g


Three defenses: IP54


Battery life: the headset lasts about 7 hours, and the comprehensive battery life is 28 hours.


Game mode: support



Advantages:


As long as 99 yuan, or audio factory rambler production.


It adopts a semi-in-ear design and is very comfortable to wear.


With a 13mm large unit single sound cavity, the sound lower limit is guaranteed.


Support game mode, which can meet the needs of low-latency games.


Support IP54 waterproof and dustproof, so you don’t have to worry about being damaged by sweat in daily use.


Single battery life of 7 hours, comprehensive battery life of 28 hours, durable.


Disadvantages:


Semi-in-ear, unstable to wear, easy to loose and fall off.


Non-mobile phone manufacturers, the interactive experience of apps on mobile phones is poor.



Recommended reason:


What kind of bike does 99 yuan want? As a traditional audio manufacturer, rambler has introduced such a really wireless headset with extremely low price, and there is really no reason to stick to wired small tail transfer.


At an extremely low price, the function is quite complete. In addition to no active noise reduction, large unit, long battery life, dustproof and waterproof, and low game delay are given, and a semi-in-ear design that is more comfortable to wear is adopted, which is very suitable for ordinary users to experience true wireless for the first time.


Purchase link: JD.COM (99 yuan)


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2. realme True Self Buds Q2s


Mode of wearing: in-ear type


Sound generating unit: 10mm moving coil


Bluetooth protocol: Bluetooth 5.2


Noise reduction: none


Call: dual microphones


Weight: about 3.5g


Three defenses: IPX4


Battery life: the headset lasts about 7 hours, and the comprehensive battery life is 30 hours.


Game mode: support, 88ms


Other: Support Dolby Panoramic Sound



Advantages:


Similarly, as long as 99 yuan adopts in-ear design, the sound insulation effect and bass sound quality will be better.


Support Dolby panoramic sound, and the sound effect will be even more shocking.


As a mobile phone manufacturer, APP has a better interactive experience, and the same brand of mobile phones will also have pop-up animation.


The battery life is 30 hours, and it also supports flash charging, which can meet the battery life of 3 hours in 10 minutes.


Disadvantages:


Dust-proof and waterproof only support IPX4, and its waterproof ability is the same as other products in the market, but its dust-proof ability is unknown.


In-ear design may not be liked by some people.



Recommended reason:


In addition to the rambler’s semi-in-ear style, 99 yuan’s price also includes realme’s Q2S. With in-ear design, the sound insulation effect is better and the sound quality will be improved. Support Dolby panoramic sound, and the sound is more immersive. In addition, it is produced by mobile phone manufacturers, which is better than the third-party manufacturers in the experience of human-computer interaction.


Purchase link: JD.COM (99 yuan)


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3、Redmi AirDots 3


Mode of wearing: in-ear type


Sound generating unit: high frequency moving iron+low frequency moving coil


Bluetooth protocol: Bluetooth 5.2


Noise reduction: none


Call: dual microphones


Weight: unknown


Three defenses: IPX4


Battery life: the headset lasts about 7 hours, and the comprehensive battery life is 30 hours.


Game mode: support, aptX Adaptive



Advantages:


Moving coil and moving iron double unit, supporting aptX Adaptive coding, better sound quality.


Support Xiao Ai voice assistant.


Disadvantages:


In-ear design, some people will not adapt.


The shell plastic is frosted, and the texture is average.



Recommended reason:


If you have a higher requirement for sound quality, it is also a good choice to upgrade Redmi AirDots 3 with some money.


First of all, the function is very complete. It supports active noise reduction and aptX Adaptive lossless coding. It also has a moving coil+moving iron dual unit. Although the unit is small, the final sound quality is not bad.


In addition, it also supports Xiao Ai’s voice control, supports smart wearing detection, and can be linked with Xiaomi mobile phone. If we insist on a shortcoming, it is that the shell material of frosted plastic is relatively general.


Purchase link: JD.COM (139 yuan)


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4、Redmi Buds4


Mode of wearing: in-ear type


Sound generating unit: 10mm moving coil unit.


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, 35dB, three-speed adaptive noise reduction, double transparent mode.


Call: dual microphone AI noise reduction


Weight: about 4.5g


Three defenses: IP54


Battery life: the headset lasts about 6 hours, and the comprehensive battery life is 30 hours.


Game mode: support



Advantages:


Support active noise reduction+three-speed intelligent adjustment, with more comprehensive functions.


The surface treatment method of baking paint is adopted, which has higher face value and better texture.


Disadvantages:


In-ear style will inevitably cause some people’s ear discomfort.


The price is 199 yuan, but there are only two microphones, and the call clarity is average.



Recommended reason:


Within 200 yuan, if you want to have a good texture and active noise reduction function, it is redmi Buds 4. As a new product, it supports active noise reduction function, and provides the same three-speed adjustment and double transparent mode as the flagship. Pursuing the comprehensive texture and function of headphones, it is right to choose it.


Purchase link: JD.COM (199 yuan)


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5、OPPO Enco Air2 Pro


Mode of wearing: in-ear type


Sound generating unit: 12.4mm moving coil unit


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, 35dB, three-speed adaptive noise reduction, double transparent mode.


Call: dual microphone AI noise reduction


Weight: only about 4.3g


Three defenses: IP54


Battery life: the headset lasts about 7 hours, and the comprehensive battery life is 28 hours.


Game mode: support, 94ms


Others: QQ music one-click collection, QQ music free lossless sound quality, dual-device connection.



Advantages:


Long handle shape+baked shell, charging box adopts transparent bubble bin design, excellent texture.


Active noise reduction is supported, and two modes of noise reduction and transparency are provided.


The 12.4mm titanium-plated moving coil unit is almost a giant in a single sound unit, and the sound quality is good with the customized bass cavity.


There are a variety of tuning customized by OPPO professional Blu-ray team, which can meet a variety of listening preferences.


Support QQ music quick collection, and save good songs as soon as you hear them.


Cooperate with QQ music, you can listen to SQ directly without green diamonds.


Disadvantages:


Wireless charging is not supported.


The active noise reduction function only has two gears: noise reduction and transparency, and the adjustment gear is small.



Recommended reason:


On the basis of supporting active noise reduction, if you care more about sound quality and face value, OPPO Enco Air2 Pro is basically the most affordable choice.


With a large moving coil of 13.2mm, the sound generating unit is basically the largest in the current price range, and the sound quality is absolutely impossible to say. The biggest selling point is the further cooperation with QQ Music, with which you can enjoy the lossless sound quality of SQ for free. It also supports the shortcut function of one-click collection, which makes it very convenient to listen to songs with excellent sound quality every day.


Purchase link: JD.COM (249 yuan)


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6、Redmi AirDots 3 Pro


Mode of wearing: in-ear type


Sound generating unit: 9mm composite diaphragm moving coil


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, 35dB, three-speed adaptive noise reduction, double transparent mode.


Call: three microphones


Weight: only about 4.9g


Three defenses: IPX4


Battery life: the headset lasts about 7 hours, and the comprehensive battery life is 28 hours.


Game mode: support, 69ms


Others: Support wireless charging and intelligent connection of dual devices.



Advantages:


Support active noise reduction, three gears are adjustable, and AI can judge the scene and automatically adjust the noise reduction depth.


The low delay of 69ms makes the game sound and picture more synchronous.


Support dual device connection.


Support wireless charging.


Three-microphone call noise reduction, clear voice.


Disadvantages:


1. The sound unit of 9mm is slightly thin.



Recommended reason:


Redmi AirDots 3 Pro can be said to be the most complete noise reduction function in this price range, and there is no one who experiences the best headphones.


Three active noise reduction modes also support the adaptive mode of AI intelligent judgment, which can get the most comfortable and quiet experience anytime and anywhere. The transparent mode is also divided into ordinary transparent mode and vocal transparent mode, which enhances the voice and makes the communication clearer.


In addition, it also supports wireless charging and three-microphone call noise reduction, which are rare at the same price. If you want the function, you can do it.


Purchase link: JD.COM (279 yuan)


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7、Redmi Buds 4 Pro


Mode of wearing: in-ear type


Sound generating unit: 6mm titanium diaphragm high-pitched moving coil +10mm aluminum-magnesium alloy large moving coil.


Bluetooth protocol: Bluetooth 5.3


Noise reduction: active noise reduction, 43dB, three-speed adaptive broadband noise reduction, double transparent mode, wind noise resistance.


Call: three microphones


Weight: only about 5.0g


Three defenses: IP54


Battery life: the headset lasts about 9 hours, and the comprehensive battery life is 36 hours.


Game mode: support, 59ms


Others: Support for 360 surround sound and intelligent connection of two devices.



Advantages:


The noise reduction depth reaches 43dB, which is stronger than AirDots, and it also supports multi-gear adjustment.


Additional optimization of wind noise resistance, windy days are not afraid to turn on noise reduction.


Broadband double-action ring, also supports surround stereo sound effect, and the sound quality is stronger.


Support Bluetooth 5.3, LC3 coding, lower delay, reaching 59ms, and richer sound details.


The overall workmanship has been improved, and the design has basically tied the higher-end millet noise-reducing earphone series.


Disadvantages:


No wireless charging



Recommended reason:


Xiaomi is the flagship of the latest bucket true wireless headset, which has reached a new level in both noise reduction and sound quality, and its workmanship is more exquisite, which is not obviously different from its own flagship millet noise reduction headset series.


The biggest highlight is undoubtedly the first support for Bluetooth 5.3 and LC3 coding, plus the current Xiaomi mobile phones have been updated and adapted. Redmi Buds 4 Pro has good sound quality and the best delay performance at this price, and it is the strongest true wireless headset in 400 yuan.


Domestic mobile phone manufacturers are fiercely competitive in the low-priced segment, but the products in the high-priced segment are much less. Basically, it is the flagship of one or two thousand yuan, plus the old products after the price reduction. Therefore, we will discuss this part directly together.


Purchase link: JD.COM (369 yuan)


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8, Xiaomi really wireless noise canceling headphones 3Pro


Mode of wearing: in-ear type


Sound generating unit: diamond-like double magnetic unit


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, 40dB, three-speed adaptive noise reduction, double transparent mode.


Call: three microphones AI noise reduction


Weight: only about 4.8g


Three defenses: IP55


Battery life: the headset lasts about 6 hours, and the comprehensive battery life is 27 hours.


Game mode: support


Others: Support wireless charging, spatial audio and intelligent connection of dual devices.



Advantages:


Support for spatial audio can achieve a more realistic stereo experience.


Support LHDC 4.0, which can transmit high-quality lossless audio.


The tuning is biased towards HI-Fi wind, and the sound is positive, with rich and clear details.


Support three-speed active noise reduction, and have extra vocal mode in transparent mode.


Disadvantages:


Because of the launch of Redmi Buds4 Pro, the positioning is slightly awkward, with only the advantage of sound quality.



Recommended reason:


Xiaomi True Wireless Noise Reduction Headset 3Pro is the first true wireless headset that supports spatial audio among peripheral devices launched by domestic Android manufacturers. From its beginning, users can enjoy the immersive experience brought by real stereo on the Android side without eyeing iOS.


In addition, the tuning of this generation is very positive. Perfect line with Harman curve, with a strong Hi-Fi flavor. Coupled with three microphones for noise reduction, active noise reduction, dual-device connection, etc., if you like Hi-Fi and want to experience space audio, Xiaomi Zhen wireless noise reduction headset 3Pro is definitely worth a try.


Purchase link: JD.COM (569 yuan)


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9. Huawei FreeBuds 4E


Wear mode: semi-in-ear


Sound generating unit: 14.3mm wide range sound generating unit.


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, adaptive noise reduction, double transparent mode.


Call: three microphones


Weight: only about 4.1g


Three defenses: IP55


Battery life: the headset lasts about 4 hours, and the comprehensive battery life is 22 hours.


Game mode: support


Others: Support dual-device intelligent connection and HarmonyOS audio streaming.



Advantages:


Almost the only semi-open+active noise reduction option on the market.


HarmonyOS system blessing, you can have smart experiences such as audio flow and quick reminder.


Ceramic texture shell, with high face value and texture.


Disadvantages:


The semi-ear design is easy to loosen, and the active noise reduction effect is easily affected.


Lack of wireless charging function.



Recommended reason:


If you have the need for active noise reduction, but hate the strange feeling brought by in-ear design. Huawei FreeBuds 4E with semi-ear design and active noise reduction is basically your only choice.


With a semi-ear design and extremely light weight, it can provide an airy feeling. The large unit of 14.3mm, plus Huawei’s intelligent noise reduction algorithm, can provide a quiet and comfortable listening experience while wearing stably. Thanks to HarmonyOS system, various audio streaming and quick notification functions are also very convenient, which is a good choice for Huawei mobile phone users.


Purchase link: JD.COM (599 yuan)


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10. Samsung Galaxy Buds Pro


Mode of wearing: in-ear type


Sound generating unit: 6.5mm tweeter +11mm bass unit.


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, three-speed adaptive noise reduction, double transparent mode, intelligent voice detection.


Call: three microphones+built-in voice pickup unit.


Weight: only about 6.3g


Three defenses: IPX7


Battery life: the headset lasts about 5 hours, and the comprehensive battery life is 18 hours.


Game mode: support


Others: Support wireless charging, spatial audio and intelligent connection of dual devices.



Advantages:


AKG, a traditional acoustics manufacturer, tuned the knife, and the sound was the best within 1,000 yuan.


Coaxial two-unit speaker, 11mm bass +6.5mm tweeter, full bass and pure treble.


Rich active noise reduction and transparent gear+adaptive adjustment, headphones will automatically lower the playback volume when someone speaks, always meeting your needs of quiet listening to songs/clear dialogue.


Three microphones+windproof noise design, clear call sound, not afraid of interference in windy days.


IPX7 is waterproof, and it is no problem to soak in a water pool with a depth of one meter for 30 minutes.


It is very comfortable to wear, and the auricle cover+silicone cover can make the earphone fit the auricle without foreign body feeling; Self-contained vent balances pressure and reduces ear pressure.


Disadvantages:


Lossless coding is not supported



Recommended reason:


Let me choose the strongest true wireless headset within 1000 yuan, which is naturally Samsung Galaxy Buds Pro.


As early as before, when I experienced Samsung Galaxy Buds+, I was impressed by the timbre of AKG tuning+coaxial dual unit. Samsung’s tuning is the most full and rich existence of thousand yuan timbre. Although lossless coding is not supported, listening to songs every day and all kinds of styles can be perfectly controlled.


After making up the noise reduction function on Samsung Galaxy Buds Pro, it is even more invincible. Both noise reduction and transparent mode support multi-gear adjustment, so it is natural to switch. Coupled with excellent ergonomic design, it fits the shape of the auricle+ventilation holes to balance the ear pressure, and it has an extremely comfortable wearing experience. Noise reduction/sound quality/wearing feeling are all satisfactory, and at present, because it is sold for a long time, it only needs a preferential price of 699 yuan, so it is definitely the most worthwhile true wireless within 1,000 yuan.


Purchase link: JD.COM (699 yuan)


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11、OPPO Enco X2


Mode of wearing: in-ear type


Sound generating unit: high-pitched plane unit+low-pitched dynamic unit.


Bluetooth protocol: Bluetooth 5.2


Noise reduction: active noise reduction, 45dB, intelligent dynamic ultra-wideband noise reduction, double transparent mode, triple wind noise prevention.


Call: three microphones+bone conduction microphone


Weight: only about 4.7g


Three defenses: IP54


Endurance: comprehensive endurance of 40 hours.


Game mode: support, 94ms


Others: Joe Hisaishi tuning, wireless charging, anti-bacterial earplugs, intelligent connection of dual devices.



Advantages:


Master Joe Hisaishi tuned it.


The unique dual-unit scheme of high-pitched plane unit and low-pitched unit has excellent high-pitched and analytical power, which is very suitable for Hi-Fi.


Support lossless coding such as LHDC, LDAC, etc., with Hi-Res small gold standard certification, lossless audio transmission is guaranteed.


The algorithm constructs the ear canal model, which can intelligently create a personalized sound model.


Ultra-wideband active noise reduction, even covering human voice, supporting three microphones+bone conduction pickup is also very clear.


40 hours long battery life, support fast charging.


Disadvantages:


The sound is very distinctive, but some people may not like this kind of tuning.



Recommended reason:


As the latest flagship earphone, OPPO Enco X2 continues the characteristics of the previous generation. The dual-unit design led by the flat-panel tweeter supports all kinds of lossless audio coding, and this time it also adds the tuning of Master Joe Hisaishi, which, as always, is excellent in treble and high resolution.


This time, the hardware is more stacked, ultra-wideband active noise reduction, three microphones+bone conduction, intelligent adaptation to the ear canal sound model, 40 hours of battery life and fast charging. If you pursue the ultimate, or use an OPPO mobile phone, OPPO Enco X2 will be the best choice.


Of course, strengthening the tuning orientation of treble +Hi-Fi with high resolution will make many people not used to it for the first time, but fortunately, OPPO Enco X2 provides a variety of EQ modes, and the tuning style of each one changes greatly. If you are interested, you may wish to try it.


Purchase link: JD.COM (799 yuan)


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12. Sony LinkBuds


How to wear: open


Sound generating unit: 12mm ring drive unit.


Bluetooth protocol: Bluetooth 5.2


Noise reduction: none


Call: dual microphone AI noise reduction


Weight: only about 4.1g


Three defenses: IP54


Battery life: the headset lasts about 5.5 hours, and the comprehensive battery life is 17.5 hours.


Game mode: unknown


Others: wide-area click, contactless control, adaptive volume control.



Advantages:


The unique donut design and open design can not only hear the transparent environmental sound, but also enjoy the music.


Wear excellent, non-in-ear design, always ventilate, don’t worry about squeezing the ear canal, or feel uncomfortable.


Wide-area click, operation from a distance. Various controls can be realized without touching headphones.


Disadvantages:


The sound quality is enough to listen to every day, but it is slightly boring than the Hi-Fi headphones at the same price.



Recommended reason:


Sony LinkBuds was chosen purely because of its novel and unique shape.


In the past, true wireless headphones, whether in ear or semi-ear, could not avoid wearing discomfort. In addition, even with the transparent mode, the incoming voices are somewhat unreal.


Sony LinkBuds adopted a special "doughnut" shape design, which perfectly solved these two problems. The sound quality of the ring diaphragm is also unexpected. Although the sound is boring, it is not as good as the conventional Hi-Fi headphones at the same price, but it is enough to meet the standard of daily listening.


Starting with the pre-sale price of 1299 yuan, you can start with 899 yuan now, and there are 6 interest-free and green diamond members. If you want to try it early, take advantage of it now.


Purchase link: JD.COM (899 yuan)


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(Editor: Ji Wenchao)

Expert: When doing nucleic acid testing, keep in mind "five don ‘ts" and "one need"

  On August 31, in the normalized nucleic acid detection, an abnormal situation occurred in a risk industry worker in Huaxi District, Guiyang City. On September 3rd, the provincial and municipal linkage headquarters of Guiyang epidemic prevention and control site disposal issued a notice to carry out regional full-scale nucleic acid screening for some jurisdictions in Guiyang.

  What is the purpose of full-time nucleic acid screening? What are the characteristics of the spreading strains of this epidemic? What should citizens pay attention to in the process of nucleic acid detection? On September 3rd, the reporter interviewed Zhang Xiangyan, the leader of the expert group on pneumonia medical treatment in Covid-19, Guizhou Province, and the temporary party secretary of Jiangjunshan Hospital.

  Zhang Xiangyan said that after the outbreak, according to the deployment requirements of the joint prevention and control mechanism in the State Council, Guizhou took the disposal of the epidemic as an important political task at present, resolutely implemented the general strategy of "importing external defense and rebounding internal defense" and the general policy of "dynamically clearing", and took the most resolute, decisive and rapid measures to resolutely cut off the spread of the epidemic and protect people’s life safety and health to the maximum extent. "Conducting multiple rounds of nucleic acid testing in key areas, key units and key populations to ensure that all inspections should be completed is a key link to quickly put out the epidemic."

  "At present, Guiyang is vigorously promoting the due inspection, in order to realize ‘ Dynamic reset ’ Lay a solid foundation. " Zhang Xiangyan said that this epidemic in Guiyang City is a mutant strain of Omicron BA.2.76, which has obvious changes compared with the original strain and the strain Delta, the most prominent of which is the stronger transmission power. "Regarding the transmission power of the virus, the basic infection number R0 is often used in epidemiology. In 2020, the R0 value of the original strain in Covid-19 is estimated to be about 2.5, and the R0 value of the Delta strain is about 5 to 6. According to the current prediction of the global academic community, the transmission power of Omicron is 3 to 4 times that of the Delta strain. "

  High communication power has brought unprecedented challenges, "We should check everything, ‘ Dynamic reset ’ At present, it is the most practical model in China, which respects science and embodies laws. Practice has proved that it is absolutely necessary and effective. " As the leader of the treatment expert group in COVID-19, Guizhou Province, Zhang Xiangyan speaks eloquently. In the front line of the anti-epidemic battle, medical staff always adhere to "dynamic zero clearing" and strive to practice "people first, life first".

  Zhang Xiangyan also reminded the citizens who are conducting nucleic acid testing that there are "five don ‘ts" and "one need" that should be kept in mind when doing nucleic acid testing.

  "One Don’t": Don’t go forward immediately after the front subject is finished. In case the front subject is positive, he will take off his mask and breathe out "Ah" in one breath. There is a virus in the breath.

  "Two Don’t": Don’t take off the mask and open your mouth to wait for sampling immediately. On the basis of keeping a safe distance, wait for the doctor to disinfect his hands and take out a new cotton swab, and quickly take off the mask and open his mouth to sample. Hold your breath when sampling and wear the mask immediately after sampling.

  "Three Don ‘ts": Don’t directly touch the items on the operating table of medical staff.

  "Four Don ‘ts": Don’t leave keys, mobile phones and ID cards on the table.

  "Five Don’t": After sampling, don’t spit in the trash can next to you immediately, which is more dangerous. This is one of the ways of virus infection. The medical staff’s sampling cotton swab is sterile, and it is normal to produce saliva after the test, so it is no problem to swallow it directly.

  "One need": After sampling, you need to go home immediately and wash your hands carefully with soap or hand sanitizer.

  Zhang Xiangyan said that the Provincial General Mountain Hospital strictly implements the system of "daily dispatch and daily consultation", gives symptomatic treatment to confirmed cases and asymptomatic infected people, and formulates personalized rehabilitation plans.

  For the general public, she reminded that to believe in the power of science and professionalism, there is no need to be overly nervous. Wearing a mask, keeping a distance, washing hands frequently, ventilation and not gathering are still the most effective means of protection.

New Retail from Concept to Reality

Two years ago, Alibaba and JD.COM, the first and fourth largest Internet listed companies in China, respectively joined hands with Suning Yunshang and Yonghui Supermarket, and their transformation from "electricity" to "store" was regarded by the outside world as the horn of e-commerce bosses to go offline.
  Arribe cast a dense net. In November 2016, Sanjiang Shopping Announcement introduced Alibaba Zetai as its strategic investor, with an investment of 2.15 billion yuan. If Hangzhou Alibaba Zetai converts all exchangeable corporate bonds into shares, the shareholding ratio can reach 35%.
  In December 2016, Yiguo Fresh, which was invested by Ali, "took over" 237 million domestic shares of Lianhua Supermarket sold by Yonghui Supermarket (accounting for 21.17% of the total share capital of Lianhua Supermarket) and became the second shareholder of Lianhua Supermarket. Bailian is still the controlling shareholder of Lianhua Supermarket, holding a total of 42.73% of its shares.
  In January 2017, Yintai Commercial announced the privatization, in which Ali participated and will become its controlling shareholder with a shareholding ratio of 74%.
  In February 2017, Alibaba and Bailian Group announced a strategic cooperation.
  Similarly, JD.COM’s actions are actually quite a few.
  In June 2016, after JD.COM acquired No.1 Store, it started in-depth cooperation with Wal-Mart behind the latter. Wal-Mart will provide rich commodities through its global supply chain, and its physical stores in China will be connected to Dada, a crowdsourcing logistics platform invested by JD.COM and JD.COM.
  It is not difficult to see that the retail industry is quietly storing the kinetic energy of change.
  According to Chen Weihao, a partner of Huaping Investment, new retail has two main components: the first is the change of consumption demand of a new generation of consumers. Now the mainstream consumers after 70-90 are completely different from the previous generation. They pay more attention to product quality and service, personalization and technology, and at the same time, they have more disposable income and time. Under such circumstances, how can we meet the consumer demand? This is what the retail industry needs to respond to now.
  The second point is technological innovation. For example, he said that few people used Alipay three years ago, and there was no WeChat payment. E-commerce began to rise on the PC side, and the real O2O has not yet begun. The smart phone has brought an earth-shaking change to the whole mobile Internet. All these new retails are good for technology and consumers’ information collection and feedback, all of which are achieved by the further development of Internet technology.

On October 13th, 2016, at the Alibaba Cloud Habitat Conference, Ma Yun first put forward the concept of "new retail" in his speech. Ma Yun asserted that "the era of pure e-commerce will soon end. In the next ten or twenty years, there is no such thing as e-commerce. Only new retail, that is, online and offline and logistics must be combined, can a real new retail be born."
  The new retail concept was quickly accepted. All the giants in the retail industry will no longer talk about e-commerce and online shopping in 2017, but will advance on the new retail road. Fresh goods have always been the category that consumers buy the most frequently, and it seems logical for "new retail" to land here.
  In January 2016, Hou Yi, the former director of Jingdong Logistics, founded Boxma Xiansheng in Shanghai, and later received a high investment from Ali. Boxma Xiansheng adopted the business model of "online e-commerce+offline stores", and the functions carried by the stores further increased compared with traditional retail, integrating "fresh supermarket+catering experience+online business warehousing". It is generally believed that Boxma Xiansheng will become the No.1 project of Ali’s new retail. Up to now, Boxma Xiansheng has opened 13 stores covering Beijing, Shanghai and Ningbo.
  JD.COM is naturally unwilling to wait and die. In early 2016, JD.COM Fresh Food Division was established to accelerate the expansion of fresh food categories, quality control and cold chain logistics. Just after the Spring Festival in 2017, JD.COM set up a "secret force" outside the fresh food department. This organization is to do preparatory work for the development of offline fresh food stores in JD.COM. It is reported that the location of the offline fresh food store in JD.COM has been preliminarily determined: the first store is located in Yizhuang Dazu Square near JD.COM headquarters, with a business area of 4,000 square meters, and the second store is located in Wucai City, Qinghe Middle Street, Haidian District, with a business area of about 2,000 square meters.
  JD.COM’s own new retail boots have not yet landed. On July 19th, the first store of "octopus (octopus) fresh", a new online and offline integrated retail format led by Meituan, officially opened.
  Regardless of whether Meituan and JD.COM are benchmarking with Ali’s Boxma Xiansheng in the industry, this online and offline integration model can prove to some extent that new retail has been deeply cultivated from the past conceptual stage.

The cost of online traffic is getting higher and higher, while the proportion of commercial property leasing cost in the total cost of some physical retailers has dropped to less than 10%, and the gap between online and offline customer acquisition costs is narrowing or even reversing. Therefore, the continuous growth of pure e-commerce enterprises needs to rely on the integration and penetration of physical retail, and online and offline move from division to integration.
  Xue Yu, senior analyst of IDC China, said that the continuous improvement of user experience and operational efficiency is the core requirement for business transformation, and the trends of standardization, interactivity, integration and globalization will become the main features of the "new retail" era. The core of new retail is the supply chain and ecosystem formed with consumers as the center.
  Online is virtual, seemingly ethereal, and killing people is invisible; The offline is the truth. Although it is heavy, the knife is deadly. In the past, e-commerce enjoyed the benefits of online traffic, but ignored the fact that everyone was offline traffic before becoming online traffic, and offline traffic still had a lot of potential to be tapped, and offline also had many incomparable advantages online.
  The new circulation is to serve the new consumer demand and guide the changes of the upstream industrial chain through the satisfaction of consumer demand. According to the reporter’s understanding, it is generally believed in the industry that the advantages of offline Shangchao have always focused on the satisfaction of customer experience. In the future competition, physical retailing will face more challenges focusing on how to manage users well and complete the changes in the new retail era through social networks, big data and logistics.
  "E-commerce has inherent technological advantages under the transfer line. All innovative models are based on technical support, and the concept is also one of the advantages. The so-called concept is that the previous circulation is the terminal channel of production enterprises, but the new circulation form is for consumers, with the consumer demand as the core, because there is big data behind it." Li Mingtao, Dean of China International Electronic Commerce Center Research Institute, told reporters. The era of pure e-commerce will soon end, the form of pure retail will also be broken, and new retail will lead a new business model in the future.
  Cao Lei, director of China E-commerce Research Center, once said: "In the past, online and offline retailing was in a state of’ with you and without me, with me and without you’. However, since last year, the integration of online and offline, from O2O to new retail, has become a broad consensus in the industry. Everyone began to think about complementing each other’s advantages, jointly doing a good job in product and service experience, and jointly dividing this cake, not just competition. "
  Anxin county is rich in water resources. Baiyangdian Lake in Anxin County is an important water conservancy hub of Daqing River system, with an average total water resource of 41.24 million cubic meters for many years. The aquatic organisms in Baiyangdian Lake include plankton, benthos, fish and aquatic plants. At the same time, there are 26 species of birds belonging to 19 families, forming a good food chain structure and becoming an important aquatic product base in North China.

In order to truly replace the traditional retail model, "unmanned supermarket" must be better than "manned supermarket" on the basis of the existing model. So what does it take to be better than "someone"? Where are the benefits to consumers? Do we really need nobody?
  In the short term, "unmanned supermarket" is difficult to replace the traditional retail business model, but intelligent supermarket is an inevitable trend of retail industry. Now it can occupy a place in the market by satisfying people’s curiosity, but to completely replace the traditional retail model, it is necessary to keep up with the rapid development of science and technology and study a better technical support and service model.
  However, if only the hot concept hype of "unmanned supermarket" appears, it will be dispersed in a hubbub after the bubble is set off, and a new industry will not actually be formed. Then this technical concept of no hard goods is even more out of reach from the real retail reform.
  "Unmanned supermarket" is indeed one of many possibilities for the retail industry in the future, but now, it is still far from enough.

Lingke 08 released EM.

[Global Network Automobile Comprehensive Report] On April 18, 2023, Lectra Motor landed at the 2023 Shanghai International Auto Show with its entire new energy lineup. As the latest masterpiece of Lectra Auto in the exploration of new energy travel, the intelligent five-seat ultra-electric SUV Lectra 08 comes with "electricity", and the EM-P super extended-range electric scheme based on CMA Evo’s new architecture is released, which accelerates the strategic transformation of Lectra brand to new and electric power.

At this auto show, the gold medal booth of Lectra’s "Urban Amusement Park" was advanced again. Inspired by the 24-hour changing urban landscape, the brand concept of "not just cars" was interpreted with a scene and immersive sensory experience. In addition, the prototype concept car of Lectra 08-The Next Day concept car was unveiled at the same time. It is an important carrier of Lectra’s new energy technology and an advanced interpretation of Lectra’s urban aesthetic design language, presenting the unique beauty of Lectra’s new energy.

The LECK EM-P super extended range electric scheme is advanced, and it is more electrified.

Aiming at the high-end experience of users, Lectra CMA architecture ushered in a new evolution-CMA Evo architecture. This is a new starting point for the new energy architecture to build a car, and it will fully empower the company to be new, electric and strong in the future.

Based on CMA Evo architecture, LEEK 08 released the EM-P super extended range electric scheme. This is an advanced new energy solution based on Lynk E-Motive intelligent electric hybrid technology platform, which is mainly driven by electricity, and can meet the needs of users in all scenarios and working conditions.

The EM-P super extended-range electric scheme supports three-motor four-wheel drive, including a brand-new independent rear-drive motor, and also supports the layout of super-large flat-panel batteries, which improves the inductance, performance, driving control and battery life of the GM EM-P model to a higher dimension and provides users with the optimal solution of new energy with more electrification and no anxiety in power consumption.

Linke 08 inductance crosses the border to open a new experience of charged travel

As the first strategic vehicle model born under CMA Evo framework and the first vehicle model of EM-P super extended range electric scheme, LECK 08 bears the heavy responsibility of LECK’s all-round new direction and reshaping the market structure. With the blessing of new architecture and ultra-electric scheme, Linke 08 expands the boundary of new energy travel with the hard-core strength of inductance, space, intelligence and design, and unlocks the new experience of "live" travel.

Relying on the EM-P super extended-range electric scheme, Linke 08 has a brand-new inductive driving pleasure of "one power to the end". The 3-motor 4-wheel drive version of LINKE 0800 kilometers accelerated into the "4-second club", with a comprehensive power of over 400kW and a maximum torque of over 900N·m, truly achieving high speed, long distance and off-road panic, showing the driving pleasure of "not only instantaneous explosion, but also full of stamina".

In addition, the 39.6kW·h ternary lithium flat battery+85kW DC fast charge, so that the LEICK 08 "has no worries about electricity use", and it can really charge for half an hour and commute for a week, even at MINUS 20℃. Linke 08 can also be transformed into an "energy fortress", which can provide more than 200kW·h of electricity when it is full of oil and electricity, and realize the freedom of electricity use; At the same time, it is equipped with 3.3kW external discharge function, which can be externally connected with various plug-in equipment, and can easily cope with various outdoor power occasions.

Thanks to CMA Evo’s stronger bandwidth capacity and flatter motorized chassis, the Lectra 08 has a wheelbase of 2,848mm, a car width of 1,915mm and a rear legroom of 935mm, which can be freely stretched regardless of the front and rear rows. The spacious space, combined with the advanced configuration such as the main driver’s independent headrest speaker and shallow seat, can realize the cross-border experience enjoyed by all seats.

While enhancing the breadth of the interior space, Linke 08 pays more attention to the details to let users feel the space temperature, and integrates advanced technologies such as natural air conditioning, streamer ambient light and Harman Kardon 23 speaker to create a zero-pressure lounge, which enhances the security, comfort and pleasure of intelligent interaction and brings users the most atmospheric "third space".

Today, with no intelligence and no electricity, Linke 08 relies on the new electronic and electrical architecture to open up the cockpit domain and the intelligent driving domain, bringing a highly customized, personalized and cross-terminal brand-new intelligent experience. Antola 1000 Pro computing platform+LYNK Flyme Auto’s "King-Bomb Combination" and the super-strength of NPU 16TOPS(int8) and GPU 1800G(FLOPS) make the cockpit experience of LINKE 08 start with the ceiling, creating a super unbounded ecology of real "handcart interconnection".

In addition, Linke 08 is also the first mass-produced car in The Next Day design language, which crosses the boundary between automobile intelligence and aesthetics and creates a new realm of urban opposing aesthetics. The 92-inch unbounded AR-HUD and other industries pioneered the use of pioneer technology, fully demonstrating the perfect integration of technology and design, and leading the aesthetic trend of smart cars with the beauty of technology.

Link’s new energy strategy, charged evolution, continues to change mobile travel.

Since its establishment seven years ago, the brand has always adhered to the brand spirit of "challenging convention" and continuously changed mobile travel; With the trend of "not just cars", it resonates with users around the world on the same frequency. At present, there are more than 860,000 car owners and users. "Link" is no longer just synonymous with a car and a brand, but a way of life and an expression of personality spirit.

Facing the wave of new energy travel reform with unlimited imagination, Linke insists on being the leader of the industry, not the follower of competitors. We will evolve smart electricity into a new track, meet the diverse needs of users through a variety of energy solutions, let travel get rid of dependence on a single energy source, and let users not be anxious, uncompromising and entangled!

The hybrid layout of Lectra has a long history. As early as 2018, Lectra has launched hybrid models. In June, 2022, LINKE smart electric hybrid Lynk E-Motive came from electric power, which provided users with a safe, interesting and anxiety-free optimal solution of new energy, and also opened the fast-forward mode of LINKE in the new energy market. At the Shanghai Auto Show, Lectra took Lectra EM-P super extended-range electric scheme as its new strength and Lectra 08 as its new carrier, which opened a new chapter in the brand’s strategy of accelerating the transformation of new energy in an all-round way.

As Lin Jie, general manager of Linke Automobile Sales Co., Ltd. said: "Linke is serious about growing up with users. We respect the personality of users, provide users with more new energy travel modes, and continuously change mobile travel to make people love travel more! "

Enjoy what you want, not just the car. In addition to the rich array of electrified products, Linke has prepared a highly immersive and trendy exhibition experience for the audience of Shanghai Auto Show, leading the way with young users. At the Lectra booth, you can not only intuitively understand the technical advantages of Lectra’s intelligent electric hybrid multi-scene through the VR equipment in the Co:VR experience area, but also experience the powerful control brought by the Lectra race genes in the WTCR racing simulation area. I look forward to more friends punching in at the Lectra booth in the 6.1H Hall, ordering a Lectra 08 special drink, and personally feeling the new energy products brought by the Lectra brand with "electricity" and the new trend charm of "not just cars"!

Geely automobile is in trouble again! Bare car price of 66,800 can enter.

Today, Xiaobian picked a car in a small suv and introduced it to everyone. It is. As for the outstanding performance of the car, please read it together.

Let’s take a look at the appearance of Binyue. The front of Binyue is very fashionable and simple. The China Net uses a three-piece shape and looks calm. Coupled with the headlights, the visual effect is extremely impactful. The car is equipped with LED daytime running lights, automatic opening and closing, delayed closing and so on. Coming to the side of the car body, the car body size is 4330MM*1800MM*1609MM, and the car adopts fashionable and dynamic lines, which gives people a very fashionable and dynamic feeling. With large-size thick-walled tires, it gives people a very delicate feeling. In the rear part, the rear part looks full, the taillights look very cute, and the exhaust pipe below adopts the design of bilateral double-outlet, which is neat and vivid.

Sitting in the car, Binyue’s interior modeling is more fashionable and simple, and the overall visual effect is very distinctive. The car looks very good outside the steering wheel, made of leather, and has a full and delicate grip. Take a look at the central control, with the 8-inch touch-sensitive LCD central control screen, which makes the interior style impressive and has a certain sense of science and technology. The interior feels good. Let’s take a look at the dashboard and seats. The car is equipped with a stable dashboard and looks cool. The car adopts imitation leather seats, which are wide and thick, and have good support and comfort.

Binyue is matched with CVT gearbox, with the maximum power of 93KW and the maximum torque of 152N.m, and the power performance is good.

Binyue trunk space performance is not bad, after putting down the rear seats, it can further expand the space, and its carrying capacity is great enough to meet daily household needs. At the same time, the car is equipped with anti-lock braking system (ABS), LED daytime running lights, brake assist (EBA/BAS, etc.), braking force distribution (EBD), traction control (ASR/TCS, etc.), main driver airbag and co-pilot airbag.

Many people buy SUVs because of their stronger passability. The car is practical and fully equipped, and it is a good helper for home travel. If you go offline and actually experience it, it is estimated that there will be many new gains.

Focus on Industry, Create Value Together —— SoC Chip and Solution of Chenxin Science and Technology Communication Terminal

Chenxin Technology Co., Ltd., a subsidiary of China Xinke Group, is a leading enterprise in the professional field of communication terminal SoC chip in China. The company focuses on the fields of information communication and integrated circuit strategy, and has mastered key technologies such as 3G/4G/5G mobile communication terminal technology, large-scale integrated circuit design and SDR chip technology platform, providing professional and reliable communication terminal SoC chips and solutions for users in industries such as car networking, unmanned aerial vehicles and wireless security, helping them to design more competitive terminal products and create new ones together with them.

Verification and industrialization of networking technology of CX7100 C-V2X modular moped

As the proposer of the concept of C-V2X in the Internet of Vehicles and the promoter of standardization, China Xinke Group has been committed to actively promoting the development of C-V2X standards and the large-scale commercialization of the Internet of Vehicles industry. As the only company in the group with the ability of mobile communication and super-large-scale SoC design, Chenxin Technology has the core technical achievements of C-V2X, and takes the car networking market as one of the important strategic directions by virtue of its deep-rooted chip design technical advantages for many years, and participates in the development of the car networking industry all the time.

Chenxin Technology has recently introduced the product CX7100, a vehicle-level C-V2X module, which supports the features of 3GPP R14 LTE-V version and has a powerful AP processor, which can support customers to integrate V2X security application software into CX7100 module, greatly reducing the complexity of customer development and product cost. At the same time, the hardware interfaces provided by CX7100 module are very rich, including USB2.0, 3-way SPI, SDIO, 3-way UART, I2C, etc., which can meet the various system development needs of customers. This module product embodies the long-term accumulation and industrial experience of China Xinke Group in the field of wireless communication protocols and standards, and it has been highly recognized by the market and many customers once it is available.

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2019year10Month, asV2XOne of the providers of terminal chips and modules, Chenxin Technology, together with Datang Mobile and Xingyun Internet, has realized the first "cross-chip module, cross-terminal, cross-vehicle and cross-security platform" in China.C-V2XApplication display. Car networking chip andCX7100Module inV2XThe successful demonstration in the "Four Spans" activity marks the application of Chenxin Technology in car networking products.C-V2XThe application deployment of the direction and the cooperation with upstream and downstream enterprises of the Internet of Vehicles go further.

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The CX7100 module made a stunning appearance at the 2019 C-V2X "Four Spans" Interconnection Application Demonstration Activity.

CX7100 module is also widely used in major demonstration areas, including Xiamen 5G vehicle networking BRT demonstration application project, Hangzhou Xiaoshan 5G intelligent networked bus demonstration application project and Hebei Cangzhou Baidu Apollo autonomous driving and vehicle-road coordination project.

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CX7100 module is widely used in major demonstration areas.

In October 2020, Chenxin Technology will join hands with Xingyun Internet, Qianfang Technology, Datang Mobile, Hyundai Mobis, China Unicom, Xinghe Highlight and other companies to continue to participate in the "New Four Spans" and large-scale pilot application demonstration activities of C-V2X, explore the functions and performance of C-V2X under the background of large-scale communication units, and demonstrate diversified functions and services of C-V2X to the public.

The CX6672 graph data transmission module empowers the data link of the new generation UAV.

UAV data link is an important part of UAV system, and it is the link between aircraft and ground system. UAV data link can be divided into uplink and downlink according to transmission direction. Uplink mainly completes the sending and receiving of remote control instructions from ground station to UAV, while downlink mainly completes the sending and receiving of telemetry data (flight control) and video images (image transmission) from UAV to ground station, and uses uplink and downlink for ranging according to the transmission of positioning information. The performance of data link directly affects the performance of UAV. According to the time and function, the UAV data link is divided into three stages:

The first stage: data transmission, which is mainly used for data transmission between flight control and ground stations. The main purpose is to adjust parameters, telemetry data and remote monitoring. Moreover, parameters can be adjusted during flight and flight data of flight control can be transmitted back, but large-capacity data cannot be transmitted.

The second stage: image transmission, which is used to meet the needs of high-resolution image/video real-time transmission for aerial photography, maintenance, measurement, mapping and monitoring. The UAV needs to be equipped with a wireless communication module that can realize wireless image transmission. At this stage, the image transmission mainly adopts two technologies: WiFi image transmission and COFDM radio image transmission. WiFi image transmission has the characteristics of low cost and small size, and it is quickly popularized in consumer drones. However, WiFi technology is designed for indoor static close range, and its transmission distance is only a few hundred meters, so it cannot be transmitted over a long distance. And the mechanism of WiFi carrier sense determines that it cannot be used reliably in multi-unit networks. COFDM radio station follows DVB broadcasting technology, which has high spectrum efficiency and long transmission distance, and can be applied to industrial UAVs with long-distance transmission. However, COFDM radio station generally adopts one-way broadcast transmission, which can not be used in networking, and the cost is very high. At present, it is gradually replaced by LTE image transmission with networking capability.

The third stage: digital and graphic transmission, multi-unit network. Traditional data transmission and image transmission all adopt independent modules, which occupy a large volume and consume a large amount of power. The new data link graph integrates data transmission, wide and narrow bands share wireless links, and the uplink and downlink are transmitted in both directions, which improves the efficiency of spectrum use. Single module supports serial port, network port, USB, HDMI and other interfaces; Serial port is used for data transmission, and network port, USB port and HDMI port are used for image transmission. With the rapid popularization of power line inspection, highway inspection, border inspection, surveying and mapping, fire prevention and other industries, the single-control single-machine mode can no longer meet the requirements. On the basis of two-way networking, multi-machine and multi-station networking is required.

Based on the application requirements of the above UAV scenes, Chenxin Technology launched the CX6672 graph data transmission module. Based on the SDR chip platform of Chenxin Technology, this module supports broadband data transmission of point-to-point and point-to-multipoint star networking. This module is based on LTE wireless communication standard and adopts.OFDM(orthogonal frequency division multiplexing) andMIMO(Multi-Input & Multi-Output,) and so on.technologyDifferent modulation and coding methods can be applied to adapt to different channel changes and obtain the maximum transmission efficiency.

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CX6672 diagram data transmission module

Product features:

L bidirectional 120Mbps transmission bandwidth

L 64 node online business concurrency; Support 1-station multi-machine and 1-machine multi-station solutions;

L support a variety of bandwidth allocation (20MHz, 10Mhz, 5MHz, 3Mhz, 1.4Mhz, etc.)

L Support the coexistence strategy of more than 20 pairs of aircraft to avoid self-interference.

L support high-speed movement, up to 1000 km/h.

L Long transmission distance, up to 150km.

L supports 5.8GHz, 2.4GHz, 1.8GHz, 1.4GHz, 800MHz, 500MHz and other frequency bands, and supports frequency band customization.

L Support frequency selection and frequency hopping functions.

L supports QPSK/16QAM/64QAM modulation mode.

L Support ultra-low link transmission delay < 10ms;;

L Support QoS mechanism to ensure the quality of wireless transmission service, with high safety and reliability.

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Typical application scheme: high-speed functional automatic inspection system

A number of ground base stations are deployed along the expressway, and each ground base station is connected with the monitoring center through optical fibers. When the UAV patrols along the expressway and reaches the wireless coverage area of a base station, the patrol video image is transmitted back to the command center through the base station; When the UAV flies to the coverage area of other base stations, it automatically switches transmission paths seamlessly, and data is not lost during the switching process.

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Topology diagram of ground-to-air digital route

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Main equipment

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Background monitoring

Combined with the business scene of expressway, the system realizes the functions of unmanned aerial vehicle inspection automation, remote control of cloud platform, real-time image transmission and automatic identification of inspection targets, which effectively improves the efficiency of expressway daily work and promotes the construction and development of "smart expressway, green expressway and safe expressway".

CX5600 security wireless transmission system solves the problems that have long plagued the security industry.

CX5600 security wireless transmission system is one of the representatives of Chenxin Technology’s point-to-multipoint broadband access and data transmission product series. The system includes wireless terminal CX5600-T00, wireless micro base station CX5600-N00, and wireless network equipment management platform CX-WEMP.

The system does not depend on the operator’s base station, and adopts key technologies such as OFDM (orthogonal frequency division multiplexing) and MIMO(Multi-Input & Multi-Output). This technology supports a variety of bandwidth allocation: 3 MHz, 5 MHz, 10MHz, 20MHz, etc. It flattens the system architecture design, effectively reduces the system delay, improves the system transmission capacity, and has the characteristics of long transmission distance, large data throughput and strong anti-interference.

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Wireless terminal CX5600-T00 wireless micro base station CX5600-N00

Features of CX5600 series:

Wireless technology: LTE-OFDM

Wireless band: 5.8G/2.4G/1.4G/800M (customizable)

Topological structure: star/mesh

Terminal capacity: 16 nodes /32 nodes

Transmission distance: 5KM/15KM

Device interface: network port/serial port

Power supply: DC12V/POE

Shell design: metal/three defenses

Protection level: lightning protection/surge protection

Power consumption: MAX 5W (terminal) /8W (micro base station)

Advantages of CX5600 series:

Can reduce the cable construction cost by 1/2.

Can reduce the operation and maintenance cost by 1/2.

Can shorten the project construction period by 4/5.

Can reduce the service fee of operators by 4/5.

Data traffic fee 0 yuan

Can be quickly deployed and controlled.

7 * 24 hours uninterrupted and stable work.

CX5600 security wireless transmission system is a wireless video and data transmission device for outdoor special security monitoring. It adopts advanced wireless signal processing technology, meets the needs of outdoor scenes, and has IP65 protection level (IP65 refers to dust-proof level 6, that is, it completely prevents dust from entering; The waterproof level is Grade 5, that is, low-pressure injection has no influence at any angle). This series is specially designed for outdoor application scenarios and can be widely used in industries such as mine monitoring, dock monitoring, forest monitoring, environmental monitoring and power monitoring.

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On the basis of CX5600 series products, Chenxin also developed a complete solution to cooperate with solar power supply system-wireless solar monitoring scheme, which solved the two major problems of power supply and transmission at the same time, and was convenient to deploy and control, suitable for sites and scenes that needed to temporarily build monitoring systems, and solved the problems of high construction cost and rapid deployment.

At present, this set of complete solutions has been applied in the field along the railway, smart towns, flood control and disaster relief, photovoltaic power stations and other scenarios.

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Concept dynamics | over the rainbow shares added "HarmonyOS concept"

On November 18th, 2024, () added "HarmonyOS concept".

According to the data of the straight flush, the reason for the selection is: November 6, 2024, Interactive Easy: As one of the first partners of HarmonyOS in the retail industry, over the rainbow APP developed based on HarmonyOS has been put on the Huawei application market, and users can download it after the operating system is upgraded.

The company’s conventional concepts include: e-commerce, Xinjiang revitalization, rural revitalization, margin financing and securities lending, webcast, Tencent concept, Shenzhen Stock Connect, cross-border e-commerce, state-owned enterprise reform of central enterprises, liquor concept, Guangdong-Hong Kong-Macao Greater Bay Area, agricultural planting, unmanned retail, unified big market, prefabricated vegetables, state-owned enterprise reform, grain concept, low-altitude economy, intelligent logistics, energy storage and photovoltaic building integration.

Andy Lau sends off his "father-in-law" for the last journey, the media squatting (Photos)


Wai Tsai’s mourning behavior was also criticized by the neighbors for being too selfish.



  On the afternoon of July 11, the famous singer Andy Lau sang a new song while attending a large-scale charity sale in Hong Kong. Posted by China News Agency, photographed by Zheng Zuosheng


  China News Service, August 21. The woman behind Andy Lau, Zhu Liqian, and her deceased husband, Zhu Jincheng, will be buried at about 10 am tomorrow, and will be buried immediately. Hong Kong media said that it is estimated that Andy will appear to bid farewell to his "father-in-law" for the last journey.


  Andy Lau’s girlfriend Zhu Liqian’s father, Zhu Jincheng, died suddenly on Tuesday (18th) at the age of 73. It was reported that Andy and Zhu Liqian flew to Malaysia immediately to die. Andy has kept his relationship a secret for 24 years, and this trip to Malaysia to bid farewell to his "father-in-law" was also very low-key. The two disappeared in the Zhu family mansion.


  After the news of Zhu Liqian’s father’s death came out, in addition to the Malaysian media, Hong Kong media also flew to the local area one after another to gather at the Zhu family for interviews. The security of the mansion was tight, and the iron door was locked to prevent outsiders from entering.


  According to media reports, the funeral hall in the Zhu family mansion yesterday has put Zhu’s father’s last photo, in which he is very serene, decorated with white flowers next to the last photo, and put oranges and lights in front of the altar to honor the deceased.


  The funeral ceremony of Zhu’s father used Buddhist rituals. The night before, the family had done rituals and burnt for Zhu’s father. They decided to hold a funeral at 10 am tomorrow and bury him at 11 am. Zhu’s father and his deceased wife were buried together in Yishan, Fujian.


Further reading:


Inventory: The 10 women who most want to marry Andy Lau


Zhu Liqian: I have admired Andy Lau since I was a child


Zhu Liqian and Andy Lau: 23 Years of Love Began by Fans (Photos)


6 Women Who Had "Dyed" With Andy Lau (Photos)


Zhu Liqian: No longer be Andy Lau’s "underground lady"? (photo)


Andy Lau and Zhu Liqian’s 10 secrets of underground love (Photos)

  Related links:



  • Zhu Liqian: No longer be Andy Lau’s "underground lady"? (picture) 2009-08-20
  • Zhu Liqian: I have admired Andy Lau since I was a child 2009-08-20
  • How did Zhu Liqian upgrade from a fan to Andy Lau’s girlfriend 2009-08-20
  • Zhu Liqian and Andy Lau: 23 Years of Love Began by Fans (Photo) 2009-08-20
  • Andy Lau Zhu Liqian’s 20-year love affair revealed, and the two first learned about letters (picture) 2009-08-20
  • Zhu Liqian’s father died suddenly, and Andy Lau flew to Malaysia for a funeral 2009-08-20

Catch up with the progress and grab the construction period! The project construction of the SCO Demonstration Zone is changing with each passing day

Demonstration area in early summer,There are blossoming flowers, rippling blue waves,More energetic.In recent years,The SCO Demonstration Zone adheres to both speed and quality.Pull the pattern from a high position,Advance the construction of major key projects.Reverse the epidemic, expand domestic demand, stabilize growth,The construction of the SCO Demonstration Zone project is racing against time.Every day brings new changes.Let’s walk into the construction site together.Witness the hot scene of catching up with the progress and grabbing the construction period!

Shanghai Electric Shanghe Wind Power Equipment Industrial Park

Shanghai Electric SCO Wind Power Equipment Industrial Park, as a key enterprise in the SCO Demonstration Zone, has actually started construction on more than 340 acres, and the project is progressing very smoothly. It is expected that all phases 1-3 will be completed and put into use in June, 6 months ahead of the original plan for trial production. It is expected that the first batch of products will be officially launched by the end of July.

The project is built by China’s top 500 and industry leader Shanghai Electric Group with a total construction area of 366,000 square meters. The project introduces the core technology of German Siemens to build the largest and world-class high-end wind power equipment industry chain demonstration base in Asia.

Geely Satellite Internet

The Geely Satellite Internet project is progressing rapidly. The main roof and secondary structure construction have been completed, and the external glass curtain wall, internal pipeline laying and decoration work are being carried out in an orderly manner, with the goal of achieving operation in October 2022.

The project is invested and built by Zhejiang Time and Space Dao Yu Co., Ltd., a subsidiary of Geely Technology Group. It will launch 72 communications satellites within three years, build the first global low-orbit satellite constellation in China, and lead the first phalanx of low-orbit satellite heaven and earth integrated Internet of Things.

SCO National Youth Entrepreneurship Center

Looking at the construction site of the SCO National Youth Entrepreneurship Center, there are vivid scenes of tower cranes running non-stop, construction vehicles shuttling back and forth, and buildings rising from the ground.

The total construction area of the project is 179687.36 square meters, and the main functional formats are Grade A office buildings, maker SOHO, administrative service hall, conference center, planning exhibition hall, finance, business services, supporting business, etc. After the completion of the project, the four buildings will present the design appearance of "Fang Zun", which means that the SCO demonstration area brings together the trend of the world. It will provide services for young people from countries along the "Belt and Road Initiative" and SCO countries, including international students, to come to China for innovation and entrepreneurship, economic and trade cooperation, job training, etc., and build an SCO national youth entrepreneurship platform.

Qingdao Sino-French International Living Room

The construction site of Qingdao Sino-French International Living Room Project is busy and orderly, and the project is progressing very smoothly.

The project has a total construction area of 16,000 square meters and a total investment of 160 million yuan. The project will integrate upstream and downstream resources of the industrial chain, introduce industrial Internet innovation resources and entrepreneurship projects from France and other European countries into the industrial innovation center of the French international living room, and conduct a centralized display of related industrial products to help the SCO Demonstration Zone build a new platform for international cooperation under the "Belt and Road Initiative".

Projects are a vehicle for investment and a platform for development. To do a good job in project construction is not only an urgent task to stabilize economic growth, but also a long-term strategy to enhance development potential.

Shanghai Electric SCO Wind Power Equipment Industrial Park, Geely Satellite Internet and other projects are just a microcosm of the SCO demonstration zone project construction in full swing.

As of mid-May, under the premise of ensuring quality and safety, all the key projects under construction in the SCO Demonstration Zone have been advanced rapidly and orderly according to the time nodes and schedule requirements, forming a vivid situation in which construction projects are catching up with each other and construction projects are in full swing. This will help the SCO Demonstration Zone successfully complete the annual target tasks, effectively strengthen the project support, and continuously consolidate hard strength and accumulate new kinetic energy!

(Source: Shanghai Cooperation Demonstration Zone)

Afternoon comment on A-shares: Shanghai Composite Index bottomed out and rose by 0.26% in half a day. Major financial stocks rose collectively.

  The three A-share indexes collectively closed up in early trading. By midday, the Shanghai Composite Index rose by 0.26%, the Shenzhen Component Index rose by 0.24%, the North Stock Exchange 50 fell by 0.85%, the Growth Enterprise Market Index rose by 0.58%, and the half-day turnover in Shanghai and Shenzhen stock markets was 477.7 billion yuan. More than 2,800 stocks in the two cities fell, and northbound funds sold 1.014 billion yuan in half a day.

  On the theme of the sector, digital currency, cross-border payment, textile manufacturing and other sectors were among the top gainers; Diet pills, precious metals and other sectors led the decline.

  On the disk, digital currency concept stocks led the gains in early trading, () 20CM daily limit, () and () rose by more than 10%, and () and () both had daily limit; Banks, insurance, securities and other major financial sectors rose near midday, () daily limit, () rose by more than 7%, (), (), (), (), (), (), (), etc. rose one after another; The textile manufacturing sector was among the top gainers, with both () and () daily limit, and () rose by over 8%; The concept stocks of diet pills pulled back in early trading today, with () down limit, (), (), Kang Peng Science and Technology, () and other stocks falling more than 7%; In terms of popular stocks, () staged a day board and recorded 7 boards in 10 days.

  Plate analysis:

  Straight flush hot stock list:

  Transaction review:

  At 09: 25, A shares opened, with the Shanghai Composite Index opening 0.09%, Shenzhen Component Index opening 0.2% and Growth Enterprise Market Index opening 0.36%. Cross-border payment and digital currency concept stocks were active.

  At 09:28, the concept stocks of diet pills pulled back, Baihua Pharmaceutical fell by a word, Hanyu Pharmaceutical and Jinkaishengke fell by more than 6%, and many stocks such as (), Changshan Pharmaceutical and () opened lower.

  At 09:30, the cross-border payment sector was active at the beginning of the session. Huafeng Microfiber had a daily limit of 20CM, Kelan Software opened 11.82% higher, and Chutianlong, (), (), Zhongke Jincai and other stocks opened over 5% higher.

  At 09:37, the concept stocks of computing power continued to be active. (1) The daily limit again recorded 3 boards for 4 days, (2 boards) and (1) the daily limit, (), () and () followed up.

  At 09:39, orient securities fell rapidly in early trading, and its share price once fell more than 8%. In the news, orient securities’s shareholding () and other related matters are included in the scope of verification.

  At 09:47, lithium battery concept stocks bottomed out, () quickly pulled up the daily limit, () rose by over 15%, () rose by over 10%, and (), (), Zhenhua New Materials and () followed suit.

  At 09:50, the textile manufacturing sector rose in intraday trading, Fengzhu Textile rose daily, Jujie Microfiber rose by more than 5%, and Yingfeng shares, (), () and () followed suit.

  At 09:51, the securities sector rose, Huachuang Yunxin rose by more than 5%, and china galaxy, Huatai Securities, CITIC Securities and Everbright Securities rose one after another.

  At 09:52 (), the intraday price rose by 219.32%, hitting a temporary stop.

  At 09:54 (), the daily limit rose again, recording 8 consecutive boards, and the turnover exceeded 800 million yuan.

  At 09:55 (), shares and bonds all fell, and gemdale’s share price approached the daily limit. The corporate bond "16 Jindi 02" fell more than 25% and hit the temporary stop, "21 Jindi 01" fell more than 13% and "21 Jindi 03" fell more than 9%. Gemdale announced yesterday that Ling Ke applied to resign as a director, chairman and member of the strategy committee of the board of directors due to physical reasons.

  At 09:57, the precious metal plate fluctuated and fell, () fell by nearly 5%, and (), (), () and () fell by over 3%.

  10:00 According to () iFinD data, half an hour after the opening, the turnover of Shanghai and Shenzhen stock markets reached 239.9 billion yuan.

  At 10: 05, CPO concept stocks fell, () and () fell more than 7%, (), () and () fell more than 5%.

  At 10:08, oil and gas stocks bottomed out, () rose by over 7%, () rose by over 5%, and () rose by nearly 4%. The stock once fell by over 8% in early trading.

  At 10:11, the mask aligner plate oscillated lower, () fell more than 6%, () fell more than 5%, Torch Light Technology and Tengjing Technology fell more than 4%, and American and Egyptian technologies, () and () followed suit.

  At 10:25, the whole vehicle sector continued to fall, () fell by nearly 5%, () fell by nearly 5%, () fell by more than 3%, and (), () and () followed.

  At 11:03, the banking, insurance, securities and other financial sectors rose in intraday trading, Huachuang Yunxin had a daily limit, china galaxy and Guolian Securities rose more than 4%, and Capital Securities, Cinda Securities, Ruifeng Bank, (), New China Life Insurance and China Pacific Insurance rose one after another.

  News:

  1. CITIC Securities: Listed central enterprises frequently increase their repurchase, and the liquidity on the market continues to improve.

  Citic Securities Research Report pointed out that on October 16, a number of listed central enterprises issued announcements on increasing holdings (progress) and repurchase. Since August, listed central enterprises have frequently increased their holdings and repurchased, which is an important measure to implement the Work Plan for Improving the Quality of Listed Companies Holding by Central Enterprises, guide the rational return of the value of listed central enterprises and stabilize the capital market. From the historical experience, the repurchase tide has a positive effect on market sentiment and stock price in the bottom interval. In addition to increasing holdings and repurchases, the slowdown in financing, the slowdown in reducing holdings, and the countercyclical adjustment of policies also reflect the improvement of market liquidity, which is conducive to the re-opening of investors on the sidelines. In terms of configuration, according to the strategy focus recommendation, it is still recommended to divide the layout into three stages: pro-cycle, science and technology and white horse.

  2. Insiders: The transformation of villages in cities is expected to incite the trillion-dollar market.

  According to the Economic Information Daily, the reporter learned that the renovation of urban villages in Beijing, Shanghai, Guangzhou, Shenzhen, Chongqing and other places is steadily spreading. A few days ago, the Ministry of Housing and Urban-Rural Development made it clear that the reconstruction of urban villages in mega-cities in China will be divided into three categories: demolition and new construction, regular rectification and upgrading, and combination of demolition and integration. According to the information system of urban village reconstruction of the Ministry of Housing and Urban-Rural Development, there are currently 162 urban village reconstruction projects in China. According to industry insiders, the renovation of villages in cities has not only improved the living environment of residents, but also changed the space for new life into new development. According to some data, it is conservatively estimated that the annual investment in the renovation of villages in cities in China will reach 840 billion yuan.

  3. Russian President Vladimir Putin arrived at Beijing Capital International Airport by plane.

  According to CCTV news, today, Russian President Vladimir Putin arrived at Beijing Capital International Airport by plane. President Putin will attend the third "Belt and Road" international cooperation summit forum and participate in related activities.

  4. Asked about the announcement of the new M7 car care plan: the delivery delay is up to 10,000 yuan.

  According to Sina Finance, on October 17th, AITO asked the community about the new M7 car care plan, which announced that if the delivery of vehicles is delayed, users will be able to enjoy the car care subsidy up to 10,000 yuan. It is reported that for new M7 users who have completed the big payment before November 30th, 2023, the order status on AITO App starts from the date when the delivery plan is confirmed to the date when the vehicle has arrived at the store. If the waiting period in the table below is exceeded, they will receive the cash subsidy for picking up the car according to the number of days (the date when the vehicle has arrived at the store-the date when the delivery plan has been confirmed-the waiting period). The standard of overdue subsidy is 200 yuan/day, up to 10,000 yuan.

  5. Lei Jun: The official version of Xiaomi’s brand-new operating system 澎湃 OS has been packaged.

  Lei Jun announced in his personal Weibo that Xiaomi’s brand-new operating system, Xiaomi HyperOS, has been packaged for the official version. Xiaomi 14 series, the first mobile phone equipped with a new system, has been delivered to the factory to start production. From this moment on, Xiaomi 澎湃 OS will gradually replace MIUI.

  6. Baidu released Wen Xin Model 4.0 Li Yanhong: The comprehensive level is not inferior to GPT-4.

  According to the Securities Times, on the 17th, Li Yanhong, founder, chairman and CEO of Baidu, announced the official release of Wenxin Big Model 4.0 and started the invitation test. He said that this is by far the most powerful Wenxin model, which has achieved a comprehensive upgrade of the basic model, and has significantly improved its understanding, generation, logic and memory abilities. The comprehensive level is "not inferior to GPT-4".

  7. gemdale responded to the resignation of Chairman Ling Ke: it is a normal management team handover and will not have a significant impact on the company’s operations.

  According to Jingwang.com, on the morning of October 17th, regarding the resignation of Ling Ke, the chairman of the company, gemdale responded to the reporter that the resignation of Chairman Ling Ke was really due to physical reasons. The relevant person in charge of gemdale said that the resignation of Chairman Ling Ke and the replacement of Chairman Huang Juncan were normal management team handover and would not have a significant impact on the company’s operation.

  8. China Mobile: Customizing the Mate 60 model is a routine action. This purchase also involves the Pro version.

  According to the Securities Times, recently, () Tendering and Purchasing Network disclosed five terminal procurement projects of mobile phone products such as Huawei Mate 60 Equity Edition-single source procurement information announcement. According to the announcement, China Mobile plans to purchase five mobile phone products including Huawei Mate 60 Rights Edition, with a demand of 1.2 million sets. China Mobile’s purchase triggered a heated discussion in the market. The reporter learned from relevant persons of China Mobile that this purchase belongs to the normal customized version (equity version) of China Mobile. It is understood that the rights edition model means that China Mobile will customize its own business such as mobile cloud disk on the terminal, which is not much different from the public edition model. In the above announcement, except for Huawei Mate 60 rights edition, the models of the other four mobile phones were not disclosed; According to the information obtained by the reporter, the other four models include Mate 60 Pro and Mate 60 Pro+.