针对高斯白噪声，高斯色噪声以及色噪声中常见的粉红色噪声进行了降噪处理，并与相关系数法、小波软阈值降噪方法进行了对比- Gaussian white noise, Gaussian colored noise and pink noise have been processed to verify the validity of the algorithm. we also compared the proposed method with the correlation coefficient