利用增加一个角度来调整地球旋转的变化，利用这个参数，可以绘制看起来是旋转的地球-The use of an additional angle to adjust the changes in the Earth' s rotation, using this parameter, you can draw the Earth' s rotation appears to

使用MATLAB进行基础的全球定位系统的仿真。包括文件： ... ... ... ... ....\boxplot3.m ............................\calculateuserposition.m ............................\drawearth.m ............................\drawsatellite.m ............................\drawsatelli