中文说明：DSmT证据推理的组合公式计算函数，基于SVPWM的三电平逆变的matlab仿真，小波包分析提取振动信号中的特征频率，包括最小二乘法、SVM、神经网络、1_k近邻法,Gabor小波变换与PCA的人脸识别代码，意信号卷积的运算,并且绘制图象。
English Description：
DSmT reasoning composite formula for calculation function, MATLAB simulation for three-level inverter based on SVPWM, extracting characteristic frequency of vibration signal Wavelet packet analysis, including least squares, SVM and neural networks, 1_k nearest neighbor method, face recognition using Gabor Wavelet transform and PCA code, signal convolution operation, and draw the images.