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P73_CF_Powerx
PowerX curve fitting polynomial code
- 2014-10-15 17:43:38下载
- 积分：1
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first_sag
Matlab Voltag sag mitigation simulation file
- 2015-03-12 14:53:16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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rrr
special case of dedge detection ,,,,
- 2011-06-20 13:11:25下载
- 积分：1
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archived-FAESOR-09-15-2012-12-23
sources of matlab for finite element method
- 2013-09-27 12:03:57下载
- 积分：1
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resource-code
《matlab从入门到精通》全书示例的源代码，帮助大家更好的学习matlab("Matlab from entry to the proficient," the book s source code examples to help you better learn matlab)
- 2013-12-04 17:21:32下载
- 积分：1
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CTFT_CTFS
These source codes performs matlab codes for Continues Time Fourier Transform (CTFT), Continues Time Fourier Series (CTFS).
- 2015-02-20 16:28:47下载
- 积分：1
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New Folder
自适应滑模控制器设计，针对姿态控制的自适应滑模(Design of adaptive sliding mode controller)
- 2021-04-21 15:28:49下载
- 积分：1
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dmusicone
此算法对阵元信号进行估计，仿真结果显示其有效性(dmusic estimation)
- 2009-10-23 09:37:50下载
- 积分：1
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sparseBSS1
稀疏分量分解。
function [y A]=sparseBSS1(X,L,langda,G,h,delta)(function [y A]=sparseBSS1(X,L,langda,G,h,delta)
----------------------------------------------------------------
2009-04-15 YangZhicong
X: observed signal,each row correspond to a sensor observations
L: the length of FFT (or the length of Hanning window)
langda: adjust the desired angular width
G: discretize the potential field by taking a sample of G points
h: threshold
y: estimated sourses
A: estimated mix matrix
)
- 2010-05-27 10:22:17下载
- 积分：1
