分析了该信号的时域、频域、倒谱，循环谱等,AHP层次分析法计算判断矩阵的最大特征值,快速扩展随机生成树算法。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Calculate the maximum eigenvalue judgment matrix of AHP, Rapid expansion of random spanning tree algorithm.