DFT

matlab对语音信号滤波，并比较滤波前后的音效。(matlab on the voice signal filtering, and compare the sound before and after filtering.)

蚁群算法连续域空间寻优：基于网格划分策略，无约束非线性最优问题程序实例(Ant colony algorithm for optimizing space: mesh-based strategy for unconstrained nonlinear optimal problem instance)

bilioniar algorithm ( image processing)

单相逆变器，采用双环控制，带非线性负载！(Single phase inverter, using double loop control, with nonlinear load!)

该函数用来计算时间序列的最大Lyapunov 指数--Wolf 方法(The function used to calculate the time series of the largest Lyapunov index Wolf method)

用于四阶龙格库塔数值积分，做matlab仿真实验时会用到。(For the fourth-order Runge-Kutta numerical integration, doing matlab simulation experiments will be used. )

BER for BPSK modulation with 2x2 MIMO and MMSE-SIC equalizer (Rayleigh channel)

Matlab在图像处理与目标识别方面的应用实验程序示例。包括三个程序以及详细文档：一、染色体识别与统计，二、汽车牌照定位与字符识别，三、基于BP神经网络识别字符的简单实验(Matlab image processing and target recognition in the application of experimental procedures for example. Consists of three procedures, and detailed documentation: a, chromosome identification and statistics, two license plate location and character recognition, 3, based on BP neural network character of the simple experiment)

M=512 原图像长度 N=64 K=8 I=zeros(M,M) J=zeros(N,N) BLOCK=zeros(K,K) 显示原图像 I=imread( f:ceshiyuanshitu.bmp ) figure imshow(I) xlabel( 原始图像 ) 显示水印图像 J=imread( f:ceshilogistic_nuaa64.bmp ) figure imshow(J) xlabel( 水印图像 ) 嵌入水印 tem=1 for p=1:N for q=1:N x=(p-1)*K+1 y=(q-1)*K+1 BLOCK=I(x:x+K-1,y:y+K-1) BLOCK=dct2(BLOCK) if J(p,q)==0 a=-1 else a=1 end BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01) BLOCK=idct2(BLOCK) I(x:x+K-1,y:y+K-1)=BLOCK end end 显示嵌入水印后的图像 figure imshow(I) xlabel( 嵌入水印后的图像 ) imwrite(I, f:ceshiembedded.bmp )

三机九节点的matlab模型，，有需要的同学可以下载试用(IEEE9 model of matlab)