IT House News on July 3, according to CCTV Financial Report, Liu Zhonghua, chairman of Beidou Tianhui, said in the “Dialogue” column,The current Beidou-3 global system is no worse than GPSpositioning accuracy, positioning timing, speed measurement, etc. are equivalent to it.
According to reports, our most distinctive thing is short message communication. “When the phone has no signal,As long as there is a Beidou terminal, you can send the location and what you want to say to the rescue center by text message.. So in addition to comparing in the same accuracy, range, and area, we have one more feature. “
IT House has learned that the Beidou satellite system is the third mature global satellite navigation system independently developed by my country after the US GPS and Russia’s GLONASS.
On July 31, 2020, the Beidou-3 global satellite navigation system was officially launched.Beidou-3 global positioning accuracy is better than 10 meters, speed measurement accuracy is better than 0.2 m/s, timing accuracy is better than 20 nanosecondsService availability is better than 99%.
At present, the world’s four largest satellite navigation system suppliers announced by the International Committee on Global Satellite Navigation Systems include the United States’ Global Positioning System (GPS), Russia’s GLONASS Satellite Navigation System (GLONASS), and the European Union’s Galileo Satellite Navigation System (GALILEO). , China’s Beidou satellite navigation system (BDS).
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