北斗接口文件.docx

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1、北斗卫星导航系统空间信号接口控制文件公开服务信号（2.1版）中国卫星导航系统管理办公室二〇一六年十一月Ó2016中国卫星导航系统管理办公室目录1声明.................................................................................................12文件范畴.........................................................................

2、................13北斗系统概述.................................................................................13.1空间星座....................................................................................................13.2坐标系统.............................

3、.......................................................................23.3时间系统....................................................................................................24信号规范.................................................................

4、........................34.1信号结构....................................................................................................34.2信号特性....................................................................................................44.2.1载波频率

5、..............................................................................................44.2.2调制方式..............................................................................................44.2.3极化方式..........................................

6、....................................................44.2.4载波相位噪声......................................................................................54.2.5用户接收信号电平..............................................................................54.2.6信号

7、复用方式......................................................................................54.2.7卫星信号工作带宽及带外抑制..........................................................54.2.8杂散...........................................................................

8、...........................64.2.9信号相关性..........................................................................................64.2.10星上设备时延差..................................................................................64.3测距码特性.................