extraction

some functions for face recognition

最小二乘法系统辨识，包括系统阶次的辨识等，希望大家喜欢(Least squares system identification, including the identification of system order and so on, hope you like)

本程序先生成一个“Blocks”信号，然后加上高斯白噪声，再用 db3 小波进行分解，(The Mr. Cheng Xu as a " Blocks" signal, and then add white Gaussian noise, and then ' db3' wavelet decomposed)

NWFE:Nonparametric Weighted Feature Extraction for Classification，线性分类方法，类似于改进了了的LDA，使用中，结果有时候比SVM等好(classification, NWFE:Nonparametric Weighted Feature Extraction for Classification)

三相整流，将三相电整流为直流。 电力电子中一种重要的模块。 本方法是采用简单脉冲信号触发(三相整流，将三相电整流为直流)

说明：  凸优化程序包，包含各种凸优化算法,可供方便调用.(Convex optimization package, contains a variety of convex optimization algorithm, for convenience call.)

Kmeans算法的Matlab 程序，能评价分类后的的效果(Kmeans algorithm Matlab program to evaluate the effects of post-classification)

This function downsample Hyperspectral image with Gaussian point spread function

asynchronous machine in the axes DQ

LM-BP电力系统考虑多种天气进行预测，误差小(LM-BP to consider a variety of power system to predict weather, small error)