156h231

四要素采集，计算，滤波，挑选极值等程序。(Four elements of the collection, calculation, filtering, selection of extreme values and other procedures.)

提供了小波算法的程序，该程序在MATLAB中得到验证，简单可行。(introduce a program about the wavelet ,the program is easy and used in the MATLAB)

通过matlab代码实现PCA算法程序设计步骤： 包括1、去均值 2、计算协方差矩阵及其特征值和 qZHBpQ 特征向量 3、计算协方差矩阵的特征值大于阈值的个数以及 ixDqskB值 4、降序排列特征值，编译通过达到很高的性能。(PCA algorithm program realization by matlab code design steps include: 1, 2 to the mean, covariance matrix and its eigenvalues and eigenvectors qZHBpQ 3, calculate the covariance matrix of eigenvalues greater than the number of threshold values, and only 4 ixDqskB, in descending order eigenvalues, compiled by achieving high performance.)

光伏系统建模，最大功率点跟踪(MPPT)控制，电流输出型并网(Photovoltaic modeling, MPPT control, current output type grid connection)

二维直角坐标系下的雷诺方程有限差分法求解MATLAB程序(Solution of MATLAB Program by Finite Difference Method of Reynolds Equation in Two- dimensional Cartesian Coordinate System)

说明：  数据输入形成节点导纳矩阵并用牛拉法解潮流计算(Solution of Power Flow by Niu-La Method)

MLP_BackPropagation matlab code m-file with structure identification

fuzzy logic program for sugeno

在matlab上实现卡曼滤波器的基本功能，分五个基本步骤，运行程序无误，已测试。(Kalman filter in matlab to achieve the basic functions, divided into five basic steps, run the program correctly, has been tested.)

一个八位电话音频程序，每一个数字由两个频率控制，发出不同的声音(dianhua matlab)