小波包。整合了几篇小波包的文献，提供了小波包的整体概念认识，可以由此对小波包产生比较明了的理解，同时简单介绍了Matlab小波包工具箱的用法。-Wavelet packet. Integration of the literature several wavelet packet provides a conceptual understanding of the overall wavelet packet, wavelet packet can thus produce more clear