1. Different countries

　　Beidou Satellite Navigation System: Global Satellite Navigation System developed by China.

　　GPS Global Positioning System: Satellite Navigation System developed by the US Department of Defense.

　　2. Different functions

　　Beidou satellite navigation system: It can provide high -precision, high reliability positioning, navigation, and timing services for various users around the weather and all day, and have short newspaper communication capabilities. , Positioning accuracy is divided into meter and centimeter level, speed measurement accuracy is 0.2 meters/s, and the time accuracy is 10 nan seconds.

　　GPS Global Positioning System: It has a comprehensive, all -weather, full -time, high -precision satellite navigation system, which can provide global users with low -cost, high -precision three -dimensional positions, speed and accurate timing of navigation. The application model has greatly improved the level of informationization of the earth society and effectively promoted the development of the digital economy.

　　3. Different work satellites in the orbit

　　Beidou Satellite Navigation System: There are 33 satellites in the rail, including 15 Beidou No. 2 satellites and 18 Beidou III satellites, specifically 5 Earth Static track satellites, 7 tilted earth synchronous orbit satellites, and 21 medium -to -China Earth Rail satellite.

　　GPS Global Positioning System: The spatial part of the GPS is composed of 24 satellites (21 working satellites; 3 spare satellites). It is located over 20200km from the surface of the surface with a operating cycle of 12h. The satellites are evenly distributed on the 6 rail surfaces (4 per track surface), and the orbital angle is 55 °.

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