北斗卫星导航系统空间信号接口控制文件(精密单点定位服务信号PPP-B2b测试版)
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3.1 空间星座 ····················································································· 3 3.2 坐标系统 ····················································································· 3 3.3 时间系统 ····················································································· 4 4 信号特性 ····························································································· 5 4.1 信号结构 ····················································································· 5 4.2 信号调制 ····················································································· 5 4.3 逻辑电平 ····················································································· 6 4.4 极化方式 ····················································································· 6 4.5 载波相位噪声 ··············································································· 6 4.6 杂散 ··························································································· 6 4.7 相关损耗 ····················································································· 6 4.8 数据/码一致性 ······················································· 6 4.9 信号一致性 ·················································································· 6 4.10 地面接收功率电平 ········································································ 6 5 测距码特性 ·························································································· 7 6 导航电文结构 ······················································································· 9 6.1 信息格式 ····················································································· 9
6.1.1 基本描述 ············································································· 9 6.1.2 CRC 校验 ············································································ 9 6.1.3 编码方案和编码参数 ····························································· 10 6.2 信息内容 ···················································································· 12 6.2.1 信息类型概述 ······································································ 12 6.2.2 信息类型 62、63 ·································································· 13 6.2.3 信息类型 1（卫星掩码） ························································ 13
©中国卫星导航系统管理办公室 2019
北斗卫星导航系统
空间信号接口控制文件
精密单点定位服务信号PPP-B2b（测试版）
中国卫星导航系统管理办公室
二〇一九年十二月
©中国卫星导航系统管理办公室 2019
©中国卫星导航系统管理办公室 2019
目录
1 声明 ··································································································· 1 2 文件范畴 ····························································································· 2 3 北斗系统概述 ······················································································· 3
6.1.1 基本描述 ············································································· 9 6.1.2 CRC 校验 ············································································ 9 6.1.3 编码方案和编码参数 ····························································· 10 6.2 信息内容 ···················································································· 12 6.2.1 信息类型概述 ······································································ 12 6.2.2 信息类型 62、63 ·································································· 13 6.2.3 信息类型 1（卫星掩码） ························································ 13
©中国卫星导航系统管理办公室 2019
北斗卫星导航系统
空间信号接口控制文件
精密单点定位服务信号PPP-B2b（测试版）
中国卫星导航系统管理办公室
二〇一九年十二月
©中国卫星导航系统管理办公室 2019
©中国卫星导航系统管理办公室 2019
目录
1 声明 ··································································································· 1 2 文件范畴 ····························································································· 2 3 北斗系统概述 ······················································································· 3