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Application_Guide_2008
介绍了PSCAD基本的模块和各个部分的功能,并提供了一些具体的例子可以进行操作练习。(PSCAD introduced the basic modules and functions of various parts, and provides some specific examples of practice can operate.)
- 2010-08-26 10:01:30下载
- 积分:1
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dspusingmatlab
Digital Signal Processing
Using MATLABr
and Wavelets is a ebook contain basic matlab code
- 2009-11-10 01:45:03下载
- 积分:1
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mathspm.rar
这是基于薛定谔方程,对信号进行的调制。结果考察了功率谱密度(This is based on the Schrodinger equation, the signal modulation. The power spectral density results ScS)
- 2013-05-07 21:31:35下载
- 积分:1
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MATLAB6.0
MATLAB6.0数学手册pdf版本的,很有用,大家可以看下(MATLAB6.0 manual pdf version of mathematics, very useful, we can facie)
- 2009-04-28 16:40:51下载
- 积分:1
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multipath_chann
OFDM系统仿真,多径传播信道程序,对移动通信环境进行仿真(OFDM system simulation, multi-path propagation channel program, the simulation of mobile communications environment)
- 2010-05-23 00:06:54下载
- 积分:1
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Smart-Antennas-for-Wireless-Communications
the book is about designing smart antennas for wireless communications
- 2011-02-05 17:41:29下载
- 积分:1
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lagrange
largrange的matlab程序,和克里金法的相关介绍(the progress which is used to largrange interploation)
- 2011-11-06 10:45:49下载
- 积分:1
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MatLabProgram
说明: Matlab编程手册,一些编程的问题基本都能在这解决。(Matlab programming manual, some basic programming issues to resolve in this can.)
- 2009-08-14 15:23:30下载
- 积分:1
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li9_23
clear all
I=imread( lena.bmp )
figure imshow(I)
I2=imrotate(I,-4, bilinear ) 逆时针旋转4度
figure imshow(I2)
I3=fliplr(I) 垂直镜像
figure imshow(I3)
I4=imresize(I,0.5, bilinear ) 缩小为原图的1/2
figure imshow(I4)
A=double(I) 转换为double类型
计算7个不变矩
[nc,nr]=size(A)
[x,y]=meshgrid(1:nr,1:nc) 得到网格
x=x(:)
y=y(:)
A=A(:)
m.m00=sum(A)
if m.m00==0
m.m00=eps
end
m.m10=sum(x.*A)
m.m01=sum(y.*A)
计算均值
xmean=m.m10/m.m00
ymean=m.m01/m.m00
计算中心矩(li9_23.rar
cm.cm00=m.m00
cm.cm02=(sum((y-ymean).^2.*A))/(m.m00^2)
cm.cm03=(sum((y-ymean).^3.*A))/(m.m00^2.5)
cm.cm11=(sum((x-xmean).*(y-ymean).*A))/(m.m00^2)
cm.cm12=(sum((x-xmean).*(y-ymean).^2.*A))/(m.m00^2.5)
cm.cm20=(sum((x-xmean).^2.*A))/(m.m00^2)
cm.cm21=(sum((x-xmean).^2.*(y-ymean).*A))/(m.m00^2.5)
cm.cm30=(sum((x-xmean).^3.*A))/(m.m00^2.5)
im(1)=cm.cm20+cm.cm02
im(2)=(cm.cm20-cm.cm02)^2+4*cm.cm11^2
im(3)=(cm.cm30-3*cm.cm12)^2+(3*cm.cm21-cm.cm03)^2
im(4)=(cm.cm30+cm.cm12)^2+(cm.cm21+cm.cm03)^2
im(5)=(cm.cm30-3*cm.cm12)*(cm.cm30+cm.cm12)...
*((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)...
+(3*cm.cm21-cm.cm03)*(cm.cm21+cm.cm03)...
+(3*(cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)
im(6)=(cm.cm20-cm.cm02)*((cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)...
+4*cm.cm11*(cm.cm30+cm.cm12)*(cm.cm21+cm.cm03)
im(7)=(3*cm.cm21-cm.cm03)*(cm.cm30+cm.cm12)...
*((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)...
+(3*cm.cm12-cm.cm30)*(cm.cm21+cm.cm03)...
*()
- 2010-10-17 21:53:14下载
- 积分:1
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RAKE_receiver_for_DS-SS_systems
RAKE接收机Matlab仿真源程序,希望对大家有用!(RAKE receiver Matlab simulation source code, useful for all!)
- 2006-05-17 20:53:47下载
- 积分:1