对信号进行两层提升分解，构造小波分解结构，使用函数wnoise获取噪声方差，接着使用函数wbmpen获取小波去噪阈值，最后使用函数实现信号去噪。-Signal two layers enhance decomposition, the constructed wavelet decomposition structure, function wnoise for noise variance, and finally use the function signal denoising.

图像去噪的基础知识，质量的评价方法,3.1 中值滤波的基本原理-Evaluation of the basics of image de-noising, the quality of

图像去噪处理 运用算法提取处理图像选用的比较简单的两种算法-Denoising processing using image processing algorithms to extract a relatively simple choice of two algorithms

去噪方面较好的文章，典型的去噪方法基本都有的。给初学者很好的学习去噪方面的知识。-To the noise of the good article, the typical method of denoising the basic. Give beginners a good knowledge of the learning to noise.