考虑雨衰 阴影 和多径影响，Matlab实现界面友好，验证可用，采用累计贡献率的方法，是信号处理的基础，matlab程序运行时导入数据文件作为输入参数。- Consider shadow rain attenuation and multipath effects Matlab to achieve user-friendly, Verification is available, The method of cumulative contribution rate Is the basis of the signal processing, Import data files as input parameters matlab program is running.