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psk
BPSK传输系统的仿真模型。对于simulink的初学者有帮助。(a simulation system based on simulink model bpsk.)
- 2009-04-17 15:24:01下载
- 积分：1
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Note-making-using-OCR
Note making using OCR
- 2014-08-07 12:15:08下载
- 积分：1
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81404573MIMO-OFDMchannelestimation
MIMO-OFDM channel estimation 。是基于mmse准则的，欢迎大家下载使用。(MIMO-OFDM channel estimation. Is based on the MMSE criteria, welcomed everyone download.)
- 2008-04-02 09:18:28下载
- 积分：1
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bairstow
解非线性方程 能过解复根 实根 但需要逼近(help you save equation conclude different answer)
- 2010-07-10 14:59:21下载
- 积分：1
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iriscode
iris recognition matlab application
- 2010-01-29 21:07:30下载
- 积分：1
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th_g
船舶电力推进 直接转矩控制 另一种形式的船桨模型 仿真模型(ship dtc)
- 2020-11-08 15:50:13下载
- 积分：1
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matlab-study
matlab基础学习，适合入门以及提高，初学者必看，很好的一本书(Matlab-based learning, for entry-raising, beginners must, good book)
- 2012-10-20 21:26:12下载
- 积分：1
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nyquist_two_order
画出二阶戴维南RC等效电路的奈奎斯特曲线和一组数据的三维散点图，剖面图(Draw the second-order thevenin RC the Nyquist curve of equivalent circuit and a set of 3 d scatter plot of data, profilet)
- 2013-05-10 11:33:23下载
- 积分：1
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MATLABchengxu
这是我从一本基于MATLAB实现的数值分析算法的书中自带的光盘程序，都是可以套用的算法。都是用MATLAB实现的算法(I take it from a MATLAB-based algorithm to achieve the numerical analysis of the book comes with a CD-ROM program, the algorithm can be applied. Are realized by MATLAB algorithms)
- 2008-12-11 23:03:28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
