tubian2.m为对一实际信号做小波多层分解，wokao.m为各层小波分解后的电压有效值，其余为小波模极大程序和一实际电信号的滤波程序-tubian2.m for one to do the actual signal wavelet decomposition of multi-storey, wokao.m for all levels of wavelet decomposition after the RMS voltage, and the rest for the wavelet