基于小波变换的数字水印算法matlab代码，分析了该信号的时域、频域、倒谱，循环谱等,考虑雨衰 阴影 和多径影响。- Based on wavelet transform digital watermarking algorithm matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Consider shadow rain attenuation a