包括回归分析和概率统计，分析了该信号的时域、频域、倒谱，循环谱等,主要是基于mtlab的程序，多元数据分析的主分量分析投影，是国外的成品模型，在matlab环境中自动识别连通区域的大小。- Including regression analysis and probability and statistics, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Mainly based on the mtlab procedures, Principal component analysis of multivariate data analysis projection, Foreign model is finished, Automatic identification in the matlab environment the size of the connected area.