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GPS测量的误差为多少
更新时间: 2020-10-02 00:00:00  

GPS测量误差是不定的,GPS测量是通过地面接收设备接收卫星传送来的信息,计算同一时刻地面接收设备到多颗卫星之间的伪距离,采用空间距离后方交会方法,来确定地面点的三维坐标。因此,对于GPS卫星、卫星信号传播过程和地面接收设备都会对GPS 测量产生误差。主要误差来源可分为:与GPS卫星有关的误差;与信号传播有关的误差;与接收设备有关的误差。因此,GPS测量误差不为定值。

关键词: gps 测量 误差 多少

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