中文说明：
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。
English Description：
The attenuation of seismic wave can be calculated with well curve as input. Aiming at the deficiency of EMD method, the time domain, frequency domain, cepstrum and cyclic spectrum of the signal are analyzed.