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MatLabCDMAWSimulink
Matlab CDMA Blocksets and Simulink
- 2009-03-07 13:36:14下载
- 积分:1
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dct
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 )
- 2010-06-13 18:43:39下载
- 积分:1
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Modulations
This function performs the ASK,BPSK and 8PSK modulations.
- 2009-02-25 23:13:19下载
- 积分:1
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Matlab
MATLAB图形用户界面的几点思考,很不错的(MATLAB graphical user interface Reflections)
- 2009-06-10 14:04:22下载
- 积分:1
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Matlab
本上传资料为maatlab教程,可通过此教程学习matlab,涉及面广。(The upload information to maatlab tutorials, available through this tutorial to learn matlab, involving a wide range.)
- 2013-11-01 14:30:26下载
- 积分:1
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19Chapitre1_Introduction
itis introductin for induction motor
- 2012-11-19 06:56:23下载
- 积分:1
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MATLAB_Books_Collection_02
Matlab collected books for many fields
- 2010-05-12 16:13:00下载
- 积分:1
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NSGA2-bao-matlab
基于matlab的NSGA2算例的大汇总,各种例子,不同情况,希望能共同学习。(Based on a large summary of NSGA2 matlab example, a variety of examples of different situations, hoping to learn together.)
- 2021-02-21 20:29:41下载
- 积分:1
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FdWaveModel
双相介质的交错网格有限差分波场模拟与AVO属性分析程序,包含了不同精度的交错网格程序,特征值分析法边界吸收条件,双相介质的弹性参数计算程序,以及AVO属性计算分析程序(Two-phase media of the staggered-grid finite-difference wave field simulation and AVO attribute analysis program, including the different precision staggered grid procedure, characteristic absorption of the boundary value analysis conditions, two-phase media of the elastic parameters calculation procedures, as well as calculation of AVO attribute analysis program)
- 2020-06-30 19:20:02下载
- 积分:1
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matlab-help
关于matlab帮助命令的中文文档,很有用的(Matlab help command on the Chinese document, very useful)
- 2011-11-01 11:18:14下载
- 积分:1