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小波分析在近年来广泛应用于信号处理中。文章根据蓝绿激光对潜通信中接收信号的特点，利用小波变换的结果估算噪声的特性，设计了一种去噪算法，得到了较好的效果。
Wavelet analysis has been widely used in signal processing in recent years. According to the characteristics of blue-green laser received signal in sub-communication, the paper uses the result of wavelet transform to estimate the characteristics of noise. A denoising algorithm is designed and good results are obtained.