Guleryuz写的一个完整的小波变换的源代码。主要包括：wav_basic.c: basic filtering, decimation and upsampling routines. wav_basic.h: interface to wav_basic.c. wav_trf.c: transform routines. wav_trf.h: interface to wav_trf.c. wav_filters.h: where filter banks and their properties are defined. wav_filters_extern.h:interface t