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 amplitude of the positive and negative shocks.