迭代自组织数据分析，分析了该信号的时域、频域、倒谱，循环谱等,包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度。- Iterative self-organizing data analysis, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Including Deng s correlation, absolute correlation, correlation of slope, improved absolute correlation.