中文说明：Gabor小波变换与PCA的人脸识别代码，相关分析过程的matlab方法，计算两个矩阵之间的欧氏距离，pwm整流器的建模仿真，现代信号处理中谱估计在matlab中的使用，多元数据分析的主分量分析投影。
English Description：
Gabor wavelet transform and PCA for face recognition code, correlation analysis of the MATLAB method calculate the Euclidean distance between two matrices, the modeling and Simulation of PWM rectifier, the modern signal processing in spectrum estimation in Matlab using, multivariate data analysis principal component projection analysis.