最终的权值矩阵就是滤波器的系数，随机调制信号下的模拟ppm，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- The final weight matrix is ??the filter coefficient, Random ppm modulated analog signal under ofdm system simulation including 16qam modulation fft windowing modules plus cp.