有井曲线作为输入可计算其地震波的衰减,针对EMD方法的不足,分析了该信号的时域、频域、倒谱，循环谱等。- There is a well attenuation curve as input to calculate its seismic waves, For lack of EMD, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.