小波变换去噪:小波(Wavelet)这一术语，顾名思义，“小波”就是小的波形。所谓“小”是指它具有衰减性；而称之为“波”则是指它的波动性，其振幅正负相间的震荡形式:(Wavelet (Wavelet) the term, as the name suggests, "wavelet" is a small waveform. The so-called "small" means that it has a decay; and called "