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主成分分析算法（PCA），这是一个外国人编写的，很具有参考价值(principal component analysis algorithm (PCA), which was prepared by a foreigner, it is very valuable reference)

双线性插值的matlab实现，可以用于运动补偿，对处理后的图像进行重建等。(Bilinear interpolation matlab realize that can be used for motion compensation, to deal with the images after reconstruction.)

说明：  应用标准PSO优化的wiener，Pso粒子群最佳化算法，小弟的作品，希望对各位有帮助(Application of the standard PSO optimization wiener, Pso particle swarm optimization algorithm, younger brother of the works you want to help)

利用matlab仿真金属圆柱体内电磁波分布，有助于掌握电磁波的传播情况。 把程序文档放入matlab的默认读取文档中，打开Cwave.m。Cwave.m是演示程序，由它调用其它函数。其中Z表示Kz*z，范围为0~2*pi。默认取2*pi为一个周期，num表示在一个周期内平均取多少个Kz*z值，默认为50(计算后每个值如Er都有五十幅图)。CWaveGuideCaculate函数用于计算Er,Efia,Hr,Hfia,Hz等值。CWaveGuideShow用于三维显示计算后得到的值，可以比较生动看到在一个周期内计算量的一连串的变换。(Matlab simulation using electromagnetic wave distribution inside the metal cylinder, is useful in the propagation of electromagnetic waves. To process the document read into matlab' s default document, open the Cwave.m. Cwave.m is the demonstration program, which will call other functions. Where Z said Kz* z, the range of 0 ~ 2* pi. The default access for a period of 2* pi, num, said the average take in a cycle number of Kz* z, default is 50 (calculated as per the value of Er has 50 chart). CWaveGuideCaculate function is used to calculate Er, Efia, Hr, Hfia, Hz equivalent. CWaveGuideShow been calculated for three-dimensional display of values, can be seen more vividly in a cycle of computation of a series of transformations.)

说明：  其中datarec.csv文件为原始三相电压电流数据文件，该matlab程序能够实现三相电压电流的谐波分析以及有功无功功率计算，并得到谐波补偿波形。(The datarec.csv file is the original three-phase voltage and current data file. The matlab program can realize the harmonic analysis of the three-phase voltage and current and the active and reactive power calculation, and obtain the harmonic compensation waveform.)

《先进PID控制及其仿真》，讲述了如何在MATLAB环境下对各种PID算法的仿真，很有价值的一本书(" Advanced PID Control and Simulation" , describes how under the MATLAB environment for the simulation of various PID algorithm, the value of a book)

BP神经网络识别手写字符验证码，包括10721张字母、数字样本(BP neural network handwritten character recognition codes, including 10,721 letters, numbers, samples)

simulink搭建的双向DCDC仿真模块，可以实现能量的双向流动(Bidirectional DCDC can achieve two-way flow of energy.)

Multiband descomposition and recomposition with directional ideal filter.

FIR滤波器的频率抽样法,对照胡广书教师的教材例子进行了实现(FIR filter frequency sampling method,according to the example of Hu Guangshu s book《Digital Signal Processing》)