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guolinglv
给出一段信号，能够计算这段信号的过零率，利用Matlab编程，方便使用(Give a signal, this signal to calculate the zero crossing rate, using Matlab programming, ease of use)
- 2010-09-10 18:40:41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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MIMO_RayleighFading
MIMO in a Rayleigh fading channel using zero-forcing equalization.
- 2009-07-14 14:42:57下载
- 积分：1
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bbdesign
Generates a box-behnken design of experiments.
- 2012-01-10 07:20:48下载
- 积分：1
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lem
LEM-3D-MATLAB,不错的代码，希望有所帮助(Lattice Boltzmann Method )
- 2012-11-20 22:19:58下载
- 积分：1
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Pitch_Control_Hydraulic_Testrig
pitch controler in wind turbines
- 2014-01-03 19:02:33下载
- 积分：1
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WorksheetPackage
Maple 中文实践教程（基础篇）(maple course of study)
- 2010-10-13 18:55:07下载
- 积分：1
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sumulink
this is a simulink model of modern control obserability
- 2012-06-02 03:06:33下载
- 积分：1
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VBMatlab
在简要介绍 Matlab软件的基础上 ,重点分析了 Matlab和 V B混合编程的方法讨论(This paper introduces Matlab software, analyzes applications of Matlab and VB programming with signal analysis and processing)
- 2009-10-19 11:44:44下载
- 积分：1
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Tracking
递推的最小二乘算法的真实轨迹曲线、测量数据、跟踪曲线以及位置估计误差均值和标准差曲线(True trajectory recursive least squares algorithm curve, measured data, tracking curve and position estimation error of the mean and standard deviation curve)
- 2014-06-23 15:45:09下载
- 积分：1
