Full text of the report on the construction and development of Beidou satellite navigation system

更新日期： 2021-12-29
浏览次数： 2707

Part I: system conditions At present, there are 45 in orbit service satellites, including 15 beidou-2 satellites and 30 beidou-3 satellites. They are in good health and stable in orbit operation. As of March this year, in terms of space signal qua

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Beidou pilot, gather in Nanchang! Huaxin antenna appeared at the 12th China satellite navigation Annual Conference

更新日期： 2021-12-29
浏览次数： 2418

Yuzhang Gujun, Hongdu Xinfu. The stars are divided into wings and the earth is connected to Henglu. In the early summer of May, we gathered in Nanchang, the city of heroes, to celebrate the grand opening of the 12th China satellite navigation Annual Confe

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Your mobile phone can use Beidou, but you don't know yet

更新日期： 2021-12-29
浏览次数： 2151

On May 26, on the occasion of the 12th China Annual Satellite Navigation Conference, the latest version Construction and development of Beidou satellite navigation system The report was officially released. The latest version of Beidou satellite navigatio

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Common electronic product interfaces (very complete, worthy of collection)

更新日期： 2021-12-29
浏览次数： 2385

Video interface: In our life, we see many video interfaces on TV sets, computers, projection equipment, various players, video input and output interfaces of codecs of video conference products and monitoring products, especially on graphics cards, th

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Reflections on the changing situation of filter industry

更新日期： 2021-12-29
浏览次数： 2560

Filter is the top priority of RF front-end industry, but it is not the leader. In the next five years, the leader of RF front-end industry will be 5g PA module. Passive follow active, passive follow active。 The filter will follow 5g PA m

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The total value of China's Beidou industry will reach trillion yuan by 2025

更新日期： 2021-12-29
浏览次数： 2018

"It is estimated that by 2025, the total value of China's Beidou industry will reach 1 trillion yuan." At the 12th China satellite navigation annu……

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Goodbye 2G, hello 5g

更新日期： 2021-12-29
浏览次数： 2083

再见，2G! 2021年5月25日，韩国科学和信息通信技术部正式宣布批准运营商LG U+关闭2G业务的申请。继2012年1月和2020年7月韩国另外两家移动运营商KT和SKT先后关闭2G业务后，LG U+将于2021年6月底之前终止2G服务。关闭2G服务这标志着有着25……

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China's Beidou, the world's Beidou, the first-class Beidou, and the Beidou Campus Card Guard students' safety

更新日期： 2021-12-29
浏览次数： 2531

On June 23, the global constellation deployment of beidou-3 system was fully completed, and "China's Beidou" officially moved towards "the world's Beidou", opening a new era of global service. This also means that in the future

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USB Type-C 240W：引领电源的未来！

更新日期： 2021-12-29
浏览次数： 2486

one Major update of USB PD fast charging standard Recently, the universal serial bus (USB) standard organization usb-if announced the revision of USB PD protocol 3.1 specification to increase the maximum power of USB type-C from 100W (20V, 5a

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The Beidou system has been fully opened, but we are still using GPS? There is some helplessness behind it

更新日期： 2021-12-29
浏览次数： 2044

With the development of science and technology, China's development in various fields has entered a new stage. For example, for the satellite positioning system we use every day, countries all over the world basically need to use the GPS satellite pos

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Heavy! Shenzhen's working opinions on supporting the development of satellite and application industry have come

更新日期： 2021-12-29
浏览次数： 2422

Shenzhen City on support Opinions on the development of satellite and application industry In order to seize the strategic opportunity for the development of satellite and application industry, give full play to the advantages of developed informa

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Application and Prospect of focus Beidou System in smart city rail

更新日期： 2021-12-29
浏览次数： 2007

According to statistics, more than 80% of peopleTime spent in buildings, mobile vehicles, underground and other non exposed spaces.As a typical scene of non exposed space, urban rail transit (hereinafter referred to as "urban rail") is not only

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