多元数据分析的主分量分析投影，预报误差法参数辨识-松弛的思想，pwm整流器的建模仿真，通过matlab代码，分析了该信号的时域、频域、倒谱，循环谱等,多目标跟踪的粒子滤波器，isodata 迭代自组织的数据分析。- Principal component analysis of multivariate data analysis projection, Prediction Error Method for Parameter Identification- the idea of relaxation, Modeling and simulation pwm rectifier By matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Multi-target tracking particle filter, Isodata iterative self-organizing data analysis.