时频分析与简介，并介绍了小波变换，让我们对时频分析有个大致的了解。-Time-frequency analysis and profiles, and introduced the wavelet transform, so we have a time-frequency analysis of the understanding in general.

详细介绍小波变换及其在图像处理中的应用，达90个页面，包括小波变换简介、小波变换在图像去噪中的应用、小波变换在图像压缩中的应用-Details wavelet transform and its applications in image processing, up to 90 pages, including Introduction to wavelet transform, wavelet transform denoising wavelet transform in image co