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nuanmasp7
numerical analysis book using matlab
- 2011-08-15 01:50:36下载
- 积分：1
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gigbnlg_si
Implements "Computationally Convenient Distributional Assumptions
for Common Value Auctions" by Michael B. Gordy, Federal Reserve
Board FEDS 1997-5, January 1997.
- 2010-03-04 17:12:57下载
- 积分：1
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test
针对20个已知类别数据，前15个训练样本和带刺的5个样本，通过该程序可识别出待测的样本属于哪一类。(Data for the 20 known types, the first 15 training samples and barbed 5 samples can be identified by the program which type of samples tested.)
- 2011-05-15 14:50:38下载
- 积分：1
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fuzzy-PID.1
模糊PID—模糊控制程序。适合刚入门的模糊控制学习的同学们，方便理解！(Fuzzy PID-fuzzy control procedures. Fuzzy Control for just getting started learning of the students, to facilitate understanding!)
- 2013-11-03 12:14:07下载
- 积分：1
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LS-WOS_V1.1
OFDM同步Ls算法的MATLAB仿真程序，希望对你有帮助(OFDM synchronization Ls algorithm MATLAB simulation program, want to help you)
- 2010-02-27 14:20:49下载
- 积分：1
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Redge-regression
说明： 岭回归的matla源程序，主要用于解决无法求逆或需要更好的解时所用的(Ridge regression matla source, mainly used to solve the inverse can not be a better solution or need to use when)
- 2011-04-13 23:05:55下载
- 积分：1
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spectrum
魏英凤书上功率谱分析的matlab程序，很好很强大，已经验证过(Wei Yingfeng book on power spectrum analysis matlab program, very very strong, has been verified)
- 2013-01-10 19:08:21下载
- 积分：1
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fingerprot
nodes movement in ad hoc networks
- 2013-04-19 13:45:20下载
- 积分：1
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WriteFile
Simple code to write a file in C
- 2015-04-03 20:09:23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
