matlab环境下关于数字信号处理的一些程序，主要是利用小波变换的去噪程序-matlab environment about a number of digital signal processing procedures, mainly the use of wavelet transform de-noising procedures

小波已被广泛应用于多个领域，在图像图形处理，信号处理中有很重要的地位，这是一些小波的的基础知识和应用程序.-Wavelet has been widely applied in many fields in image and graphics processing, signal processing has a very important position, which is some of the basics of wavelets and applications.