Knopoff算法实现瑞利波频散曲线正演，阻尼最小二乘法实现反演-do the direct of the dispersion curves of Rayleigh wave with the Knopoff method and do the inverse with the Damped least squares method

连续小波变换,时间域连续，频域连续，能对原信号进行全面的分析-Continuous Morlet Wavelet Transform

基于小波变换以及快速傅立叶变换的时频分析程序，很实用-cwt fft