小波变换 matlab 总结 目录 一、预置工具 ........................................................................................................................... 4 1.预置信号 ...................................................................................................................... 4 2.预置小波 ...................................................................................................................... 4 3.滤波器函数 .................................................................................................................. 6 wfilters 函数....................................................................................................... 6 4.量化编码 ...................................................................................................................... 6 wcodemat 函数....................................................................................................... 6 5.阈值获取 ...................................................................................................................... 6 ddencmp 函数 ......................................................................................................... 6 thselect 函数....................................................................................................... 7 wbmpen 函数 ........................................................................................................... 7 wdcbm 函数 .............................................................................................................. 7 6.阈值去噪 ...................................................................................................................... 8 wden 函数 ................................................................................................................ 8 wdencmp 函数 ......................................................................................................... 8 wthresh 函数 ......