最大信噪比的独立分量分析算法，考虑雨衰 阴影 和多径影响，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- SNR largest independent component analysis algorithm, Consider shadow rain attenuation and multipath effects ofdm system simulation including 16qam modulation fft windowing modules plus c