分析了该信号的时域、频域、倒谱，循环谱等,DSmT证据推理的组合公式计算函数，有井曲线作为输入可计算其地震波的衰减。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Combination formula DSmT evidence reasoning calculation function, There is a well attenuation curve as i