Unix系统下，小波包变换的实现例子，当然，稍作改动也可用于windows系统下。-uninx system,wavelet transform example,but,you can transplant it to window with little modification.

LZW was originally designed for implementation by special hardware, but it turned out to be highly suitable for efficient software implementations too. An enhanced variant is available on UNIX systems and many other systems as the compress comman