小波变换检测信号频谱边缘，利用多尺度小波模极大值法确定信号频谱边缘。-Wavelet transform edge detection of the signal spectrum, using multi-scale wavelet modulus maximum method to determine the edge of the signal spectrum.

利用小波变化对信号的边缘进行检测，方法使通过多尺度积对信号功率谱进行变化-Changes in the signal using the wavelet edge detection method to plot the signal through the multi-scale changes in the power spectrum