常规小波阈值去噪方法是在假定小波系数独立的条件下进行处理的,没有考虑到小 波系数在相邻尺度上的相关性.因此,也同样受到去噪和保留有用高频信息两难的困扰-Conventional wavelet thresholding denoising method is the assumption that the wavelet coefficients under the conditions of an independent deal with, and does not take into