比较了软阈值，硬阈值及当今各种阈值计算方法,进行逐步线性回归，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Comparison of soft threshold and hard threshold and today various threshold calculation method, Stepwise linear regression, ofdm system simulation including 16qam modulation fft windowi