3、vigationinformation,issatellitecommunicationstechnologyinnavigationfieldofapplicationmodel,itgreattoimprovehasEarthsocialofinformationlevel,powerfultopromotedhasdigitaleconomicofdevelopment. China's Beidousatellite navigation systems (BeiDou Navigation Satellite System,BDS) is aglobal n
4、avigation satellite system developedbyChinaitself.Is the UnitedStates global positioning system (GPS), Russia Kelowna, satellite navigationsystems (GLONASS) the third country after sophisticated satellite navigationsystem. Compared to GPS, Chinawith its Beidou satellite control, ownersh
5、ip andother advantages.Keywords: Beidou navigation, GPS, a satellite navigation system正文1绪论1.1论文选题背景和意义1.1.1课题研究来源卫星导航系统是重要的空间信息基础设施。中国高度重视卫星导航系统的建设,一直在努力探索和发展拥有自主知识产权的卫星导航系统。2000年,首先建成北斗导航试验系统,使我国成为继美、俄之后的世界上第三个拥有自主卫星导航系统的国家。该系统已成功应用于测绘、电信、水利、渔业、交通运输、森林防火、减灾救灾和公共安全等诸多领域,产生显著的经济效益和社会效益。