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这是一个完整的OFDM仿真程序，直接运行main_ofdm.m文件就可以打开(This is a complete OFDM simulation program, run directly main_ofdm.m file can be opened)

Implement the histogram equalization technique

奇异吸引子，混沌吸引子，复杂系统理论，画法代码。(Strange attractor, chaotic attractor, complex systems theory, painting code.)

在PID控制中，微分信号的引入可改善系统的动态特性，但也易引起高频干扰。在误差扰动突变时尤其显出微分项的不足。若在控制算法中加入低通滤波器，则可使系统性能得到改善。(In PID control, the introduction of differential signal can improve the dynamic characteristics of the system, but it can also cause high-frequency interference. When error perturbations change abrupt, the deficiency of differential terms especially shows. If the low-pass filter is added to the control algorithm, the performance of the system can be improved.)

说明：  汽车牌照定位里面能定位汽车牌照。蓝底白字的汽车，效果不错(License Plates which can locate license plates. Blue white car, good results)

自己编写的 混洗蛙跳算法优化最小二乘支持向量机参数 把文件里的数据、LSSVM模型更换，就可以移植(written by Son.Y.M Shuffled frog leaping algorithm to optimize the parameters of LS-SVM The data in the file, LSSVM model replacement, you can transplant)

EM算法的MATLAB实现,EM算法是HMM中用于随机过程模型参数训练的经典算法(the inplement of algorithm EM with MATLAB，the algorithm is a claasical mathod which is used to train the patameter of the HHM model.)

GUI Application M-file for GUI.fig

Implementation of Heuler methods. Implicit, Explicit and Simplex Versions. In Matlab. Approximates the solution of an expression. Includes plotting routines.

this matlab code is for drawing histograms of distributed/normal random samples,basic operations on signals as addition, multipication,delay.Drawing spectrum of signal.