Fortune Telling Collection - Zodiac Analysis - What can China Beidou global satellite navigation system constellation play after deployment?
What can China Beidou global satellite navigation system constellation play after deployment?
Beidou satellite navigation system consists of three parts: space segment, ground segment and user segment. It can provide high-precision and high-reliability positioning, navigation and timing services for all kinds of users around the world, and has the ability of short message communication. It has initially possessed the ability of regional navigation, positioning and timing, with the positioning accuracy of decimeters and centimeters, the speed measurement accuracy of 0.2m/s and the timing accuracy of 10n s.
Extended data:
The construction practice of Beidou system has realized the rapid formation of service capacity in the region, gradually expanded the development path of serving the world, and enriched the development mode of world satellite navigation.
Beidou system has the following characteristics:
Firstly, the space segment of Beidou system adopts a mixed constellation composed of three kinds of orbiting satellites. Compared with other satellite navigation systems, there are more high-orbit satellites with stronger anti-occlusion ability, especially in low latitudes.
Secondly, Beidou system provides navigation signals with multiple frequency points, and the service accuracy can be improved through the joint use of multi-frequency signals.
Thirdly, Beidou system innovatively integrates navigation and communication capabilities, and has five functions: real-time navigation, quick positioning, accurate timing, position reporting and short message communication service.
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