求解用户位置的Matlab函数代码，利用伪距测量用户位置的仿真计算-The Matlab function for solving location of the user code, the use of pseudo-range measurement location of the user s simulation

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