On July 31, the beidou-3 global satellite navigation system was officially completed and put into operation. We also have a big move - Chihiro positionTo promote Beidou high precisionThe large-scale application of positioning technology in the field of in

The basic structure of coaxial connector includes: central conductor (male or female central contact); Dielectric materials, or insulators, inside and outside the body; The outermost part is the outer contact, which plays the same role as the outer shield

Although it is 2018, when talking about the "Beidou system", many people's impression may still stay in 2008 - during the Wenchuan earthquake relief, Beidou generation equipment sent the first message from the earthquake area. Gener

What if you get lost somewhere on earth? By GPS? Okay, but what if there's no signal, no equipment? A map? Good idea, but what if you travel on the high seas and can't see landmarks? For thousands of years, many people have found this problem. The

Indoor positioning technology is now in a very hot research and exploration stage, showing a state of a hundred flowers in full bloom.The main existing problems in this field are operating costs and investment.Mobile communication network can not only eng

Automatic driving positioning technology is one of the key technologies to realize automatic driving. Generally speaking, the fundamental problem to be solved by unmanned driving is: where is it now? Where are you going? Which way? "Where is

Electronic enthusiast network reported (Wen / Zhou Kaiyang) among many wireless connection technologies, Bluetooth has once again triggered a wave of market boom with the help of true wireless headset (TWS). Bluetooth headset is no longer a new technology

T-box is a front mounted, telematic box, that is, there is a networked controller in the vehicle before the vehicle is put on the market. The corresponding mobile phone app will be released on the vehicle, and the following functions can be realized throu

two thousand and sixteen year seven month twenty-seven Solstice thirty It was jointly sponsored by the Shanghai Observatory of the Chinese Academy of Sciences and Shanghai Jiaotong University “ IAG/CPGPS international GNSS an assembly (ICG 2016) ” Held i

5G NR 4G LTE FDD TDD NB-IOT FDD TDD LTE-M FDD ……

With the continuous advancement of economic commercialization, communication technology is also developing and maturing.In many fields such as transportation, medical and health care, "5g" plays an increasingly important role.Especially in the f

Today, the 2020 China International Information and Communication Exhibition was held in Beijing. At the ICT Leadership Forum held at the same time, Liu Liehong, Vice Minister of industry and information technology, said that China has built the world'