从先验概率中采样，计算权重，基于小波变换的数字水印算法matlab代码，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Sampling　a priori probability, calculate the weight, Based on wavelet transform digital watermarking algorithm matlab code, ofdm system simulation including 16qam modulation fft windowing modules plus cp.