pscad与matlab接口的仿真

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 )

线性最小均方误差估计，估计恢复出的信号星座图(The linear minimum mean square error estimation，Estimation of LMMSE signal constellation restoration)

很好的遗传算法，可用以分配冗余时间，很好的消除列车之间的干扰(Good genetic algorithm can be used to allocate redundant time, good to eliminate interference between trains)

小波包分析提取振动信号中的特征频率，基于欧几里得距离的聚类分析，插值与拟合，解方程，数据分析。( Wavelet packet analysis to extract vibration signal characteristic frequency, Clustering analysis based on Euclidean distance, Interpolation and fitting, solution of equations, data analysis.)

Matlab教程PPT，Matlab概述与应用程序基础(Matlab PPT)

The code assembles various member stiffness matrices of a Q-4 element

Scott (1992) lead to better large sample performance of the histogram.

绕射系数的matlab程序 (matlab raoshexishu)

一本介绍matlab学习的书籍，清华出版 高清，非常有用(An introduction to the MATLAB learning books, Tsinghua publishing HD, very useful )

matlab里用于码元扩展的自定义程序，希望可以对你有帮助。(custom program matlab for symbol extension)