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stbc12
matlab code for space time coding
- 2010-12-22 17:45:49下载
- 积分:1
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ChaosToolbox
混沌优化,用于求解非凸优化,算法运算速度快(Chaos optimization, for solving non-convex optimization, fast algorithm)
- 2008-07-14 15:46:33下载
- 积分:1
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因子分析代码实现(含数据)
说明: 对数据进行因子分析,得到的是降维的结果。可用来做基本的降维,故障诊断,图像分解(Through factor analysis of the data, we get the result of dimension reduction)
- 2021-04-21 09:03:53下载
- 积分:1
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peak-signal-to-noiise-ration
peak singla toiser noise njnfvcxvnzxmcvo n
- 2011-04-30 02:44:06下载
- 积分:1
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start_with_python
book for beginners / python
- 2010-05-25 07:02:34下载
- 积分:1
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Jason211
从Jason2卫星的nc文件中提取测高数据进行网格化处理 1*1 (Extract altimetry data Jason 2 satellite nc mesh file processing* 1 1)
- 2021-05-13 16:30:02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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Digital-image
数字图像处理的中所需要的实验源代码,可以用于教学实验平台(Digital image processing image compression source code)
- 2010-07-14 00:41:43下载
- 积分:1
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fractionallu
分数阶Lu系统实现,即如何由matlab来实现.(fractionalorderlusystem)
- 2010-08-13 08:38:23下载
- 积分:1
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tfb
TFB Demonstrates time domain equalizer filter bank design functions, To start the demo type "tfb".
For more information use the "info" button after startingthe demo.
- 2010-03-03 14:19:13下载
- 积分:1