单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Beidou Navigation Satellite System,小组成员：章林嘉，陈锐，刘欢,Ancient Times,dipper,Compass,Today,global navigation satellite system（全球导航卫星系统）,independently developed and operated by China（中国自主研发）,quick-positioning,location-reporting,information-exchange（快速定位，定位报告，信息共享）,Three Phase,第一步：,2000,年建成了北斗卫星导航试验系统，使中国成为世界上第三个拥有自主卫星导航系统的国家。,第三步：,2020,年左右，北斗卫星导航系统形成全球覆盖能力。,北斗的进展稳步推进,第二步：,建设北斗卫星导航系统，,2012,年左右形成覆盖亚太大部分地区的服务能力。,Phases One,start in 1994,provide services in 2000,dual satellite active positioning（双星有源定位）,consists of three GE satellites and corresponding ground systems（由三颗地球同步轨道卫星和相关地面系统构成）,Phases One,provide positioning,short message telecommunication,timing services（提供定位，短报文通讯，授时服务）,Phases Two,start in 2004,passive positioning（无源定位）,cover the Asia-Pacific region with more than 10 satellites around 2012（2012年前后，10多颗卫星覆盖亚太地区）,Phases Three,completed around 2012,global coverage with 35 satellites,two high quality services(Open and Authorized),Open:free,positioning(10m),velocity(0.2m/s),timing(20ns),Authorized:higher accuracy,better reliability,Systems,Application,Systems,Application,Mapping,Telecommunications,Water conservancy,Fishery,Transportation,Forest fire prevention,Disaster relief,Public safety,Systems,Application,the Beijing Olympic Games,the Frozen,Disaster Wenchuan Earthquake,Shanghai World Expo,China maritime fishery,For Fishery Management,vessel position monitoring（船舶位置监控）,emergency rescue（紧急救援）,policy issue（政策指示）,vessel in and out management（船舶进出港管理）,China maritime fishery,For Fishing Vessels,navigation and position（导航定位）,distress signals（发出遇难信号）,maritime notice（海洋预报）,value attitude information（有价值的方位信息）,China maritime fishery,providing vessel-vessel and vessel-shore message telecommunicaions（提供船舶间，船舶与江岸间短报文通讯服务）,Disaster Rescue,Cooperate with foreign countries,作为国际全球导航卫星系统委员会,(IGE),的一员，中国参与了以住的会议和非正式论坛，与相关国家地区和国际组织的权威部门进行沟通交流，中国愿与外国积极合作，在卫星的频率协调,(frequency coordination),、卫星间的兼容和互通,(compatibility and interoperability),、国际标准,(international standard),、时间和参考协议,(time and coordinate reference),、北斗系统与其它卫星导航系统间的科学研究和应用发展方面提供服务,(scientific research and applicative development between Beidou system and other satellite navigation system),。中国致力于推广世界范围内的卫星导航应用，并为科学发展和技术进步方面做出应有的贡献。,Serve the worldBenefit the mankind,作为全球导航卫星系统合作的一员，北斗系统致力于向全球用户提供高质量、高可靠的卫星定位导航和授时服务。为全人类做出重要的贡献。,As one of the cooperators of global navigation satellite systems.Beidou system will be committed to providing satellite positioning.Navigation and timing services with high performance high quality and high reliability for global users,and make important contributions to human society.,