In 2020, Ran Chengqi, director of the China Satellite Navigation System Management Office, introduced that Beidou is one of the four major global satellite navigation systems recognized by the United Nations. Recently, Liu Zhonghua, chairman of Beidou Tianhui, said in CCTV’s “Dialogue” program that the current Beidou-3 global system is no worse than GPS, and its positioning accuracy, positioning timing, speed measurement, etc. are comparable to it. According to Liu Zhonghua: “Our most distinctive thing is short message communication. When there is no signal on the phone, as long as there is a Beidou terminal, you can send the location and what you want to say to the help center by text message. So in addition to In addition to comparing the same accuracy, range, and area, we have one more feature.” Baidu Encyclopedia data shows that the Beidou satellite navigation system consists of three parts: the space segment, the ground segment and the user segment. Provide all kinds of users with high-precision, high-reliability positioning, navigation, and timing services. The Beidou system has fully served industries such as transportation, public safety, disaster relief and mitigation, agriculture, forestry, animal husbandry and fishery. It has accelerated its integration into infrastructure such as electricity, finance, and communications, empowering all walks of life to improve quality and upgrade, and has entered the field of people’s livelihoods, profoundly changing people’s lives. production and living methods.
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