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LDA
LDA is pattern recognition mfile.
- 2009-04-01 06:05:50下载
- 积分:1
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Newton
文件夹里是最速下降法和牛顿法,这两种方法在最优化中得到了广泛的应用,希望对学习最优化的同学有帮助。(Folder is the steepest descent method and Newton method, these two methods in the optimization has been widely used, I hope to learn to optimize students help.)
- 2015-03-20 21:17:02下载
- 积分:1
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AC_toAC_1I
this file is an ac to ac controller.
you can control the output by adjusting the firing angle of the SCR.
- 2013-12-20 14:21:52下载
- 积分:1
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PlaneFrameModel
有限元模型的建立,这些程序构成了有限元模型,用PlaneFrameModel来指定(PlaneFrameModel)
- 2009-12-14 20:57:59下载
- 积分:1
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4G
说明: B3G 4G无线传输技术研究――关键技术原理与仿真(failed to translate)
- 2010-04-17 20:20:41下载
- 积分:1
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fastICA_data1
信号处理的Fast ICA实现进行快速独立分量分析(Fast ICA signal processing to achieve fast independent component analysis)
- 2013-11-06 14:42:45下载
- 积分:1
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QPSK-simulation-design
利用MATLAB 仿真工具设计出一个QPSK仿真程序,以衡量QPSK在理想信道、高斯白噪声信道和先通过瑞利衰落信道再通过高斯信道三种方式的调制解调得到的功率谱密度、噪声曲线、星座图及误码性能,并对仿真结果进行了分析。(QPSK simulation design and Realization Based on MATLAB)
- 2014-02-21 17:43:47下载
- 积分:1
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QAMModem
这个程序主要是实现QAM的调制和解调的过程。(This procedure is mainly the implementation QAM modulation and demodulation process.)
- 2009-03-07 21:37:40下载
- 积分:1
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matlab-help
说明: Matlab软件的中文帮助文件,便于初学者使用(Matlab software, the Chinese help files, easy for beginners to use)
- 2008-10-16 17:03:49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