采用了小波去噪的思想，窗函数法设计一个数字带通FIR滤波器，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Using wavelet denoising thought, A window function design FIR digital band-pass filter, ofdm system simulation including 16qam modulation fft windowing modules plus cp.