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RPEM_Source_Code
EM算法，基于期望最大化原则进行密度估计(EM algorithm, based on the expectation maximization of the principle of density estimation)
- 2007-08-07 17:17:02下载
- 积分：1
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main
[sigma,mu,A]=mygaussfit(x,y)
[sigma,mu,A]=mygaussfit(x,y,h)
this function is doing fit to the function
y=A * exp( -(x-mu)^2 / (2*sigma^2) )
- 2010-10-20 14:41:20下载
- 积分：1
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discrete_convolution
离散卷积图法的MATLAB实现程序，MATLAB函数conv只能计算从零开始的两个右边序列的卷积，此程序对序列没有此限制，适用范围更广。(MATLAB discrete convolution diagram method to achieve the program MATLAB function conv can only calculate the convolution of the right sequence from scratch, this program sequence does not have this restriction applies to a wider range.)
- 2012-05-12 10:38:33下载
- 积分：1
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Matlab
图像处理程序集，包含基本的图像处理MATLAB实例(Image processing assembly)
- 2014-02-25 20:38:13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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Suspension-with-Four-Free-Dimension
四自由度悬架的建模及自由振动频率求法、半波输入响应、受迫振动响应、频响函数响应、自由振动响应(Modeling and four degrees of freedom suspension method for finding free vibration frequency, half-wave input response, forced vibration response, frequency response function response, free vibration response)
- 2011-05-26 22:57:06下载
- 积分：1
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lyapunov
李指数计算，该函数用来计算时间序列的最大Lyapunov 指数--Wolf 方法(Lee index calculation, the function is used to calculate the time series of the largest Lyapunov exponent- Wolf method)
- 2013-10-02 01:44:48下载
- 积分：1
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dft_eg120821
卡尔曼滤波 用于卡尔曼中频率跟踪的算法
卡尔曼滤波 用于卡尔曼中频率跟踪的算法(ekf ekf ekf)
- 2015-01-20 11:01:07下载
- 积分：1
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ds-cdma
扩频技术和cmda技术结合相结合进行通信系统的仿真(Cmda spread spectrum technology and communication technologies combining system simulation)
- 2013-11-07 22:41:59下载
- 积分：1
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2
说明： 微网系统并网和离网两种状态的研究仿真。内容详细，常用控制算法的对比研究与仿真(Micro-grid systems and networks and off-grid simulation study of two states. Detailed, comparative study of commonly used control algorithms and simulation)
- 2015-04-21 14:28:38下载
- 积分：1
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