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。-The term Wavelet (Wavelet), as the name implies, Wavelet is a small waveform.The so-called small means it is attenuation And call it wave is its volatility, and the amp