迭代自组织数据分析，主要为数据分析和统计，供做算法研究人员参考，对于初学者具有参考意义，分析了该信号的时域、频域、倒谱，循环谱等。- Iterative self-organizing data analysis, Mainly for data analysis and statistics, Algorithm for researchers to do reference, For beginners with a reference value, Analysis of the sign