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dos
another progaram that has been in matlab
- 2013-07-11 09:34:56下载
- 积分:1
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Onduleur_tri_4niveaux
Abstract—This paper investigates the performance of a 4-switch, 3-phase Z-source inverter (4S3P)
- 2012-01-05 09:10:31下载
- 积分:1
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FM
说明: 用matlab实现了FM调制解调过程,能很好地用图形来显示调制解调过程。(Achieved using matlab FM modulation and demodulation process, can well use the graphics to display modem process.)
- 2010-10-28 22:28:09下载
- 积分:1
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lorenz_attractor
lorenzattractor. all the equations
- 2011-01-21 00:20:32下载
- 积分:1
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MATLABclusting
MATLAB 进行聚类分析,直接调用函数,各种聚类算法。(MATLAB for cluster analysis)
- 2012-08-17 12:46:31下载
- 积分:1
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CDMSchen
此程序主要是对振动速度和位移信号的在线采集和处理,功能较为齐全。(This program is mainly for vibration velocity and displacement signal acquisition and processing online, function more complete.)
- 2014-11-11 22:27:09下载
- 积分:1
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Samira-Farivar.HW1
this is codes for membership functions in different fuzzy sets
- 2012-06-20 05:36:15下载
- 积分:1
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get_Tmat
该程序用于读取欧空局软件polsarpro处理得到的相干矩阵(The program is used to read a coherent matrix after processed by ESA processing software polsarpro )
- 2013-12-28 16:14:51下载
- 积分:1
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多重分形去趋势交叉相关性分析DCCA,以及MF-DXA等程序代码 DF-MAX_DCCA
多重分形去趋势交叉相关性分析DCCA,以及MF-DXA等程序代码,希望对大家有帮助(Multifractal cross correlation analysis of DCCA, and program code such as mm-dxa, hope to be helpful)
- 2020-06-28 12:40:02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