差分伪距修正算法。应用于GPS导航的伪距差分算法，包含基准站、用户站的具体算法-Differential pseudorange correction algorithm. For GPS navigation pseudo-range differential algorithm, including the base station, subscriber station specific algorithm

gps基线解算基础函数，包括伪距定位，差分定位，坐标转换等-gps baseline solution based functions, including pseudo-range positioning, differential positioning, coordinate transformation

最小二乘法编写而成的，可以简单的使用其，解算GPS基于伪距的导航电文。(The least squares method can be used to solve the GPS navigation message based on pseudo range.)