Devices and methods are described for determining position information without broadcast ephemeris data for extended time periods.
描述了用于对延长的时间段确定位置信息而无需广播星历数据的设备和方法。
Based on satellite ephemeris and time data of the satellite coordinates of the celestial coordinate system.
根据卫星星历和时间数据计算卫星在天球坐标系中的坐标。
This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.
论述了GPS监测站伪距观测量评定广播星历精度的基本方法。
This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.
论述了GPS监测站伪距观测量评定广播星历精度的基本方法。
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