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WTB_v3
说明: 基于matlab/simulink的风力发电建模系统,里面有很多实用的模型可以直接使用(based on Matlab/Simulink modeling of wind power generation system, there are many practical model can be used directly)
- 2006-03-20 21:03:06下载
- 积分:1
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LTE_SNR_estimator
LTE系统中SINR是个重要的参数,该程序就是强调如何在系统中进行SINR的评估(SINR LTE system is an important parameter, the program uation is to emphasize how SINR in the system)
- 2021-02-04 14:49:58下载
- 积分:1
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bpf
Band Pass Filter matlab command
- 2013-10-09 00:08:08下载
- 积分:1
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testMNF
最小噪声分离,能够实现高光谱遥感图像的MNF正逆变换,进行图像降维与重建(Minimum noise separation can realize the MNF positive and inverse transformation of hyperspectral remote sensing images, and reduce the image dimension and reconstruct the image)
- 2020-07-03 02:00:02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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wavelet_denosie
说明: 讲述了Matlab中小波降噪技术的使用,并讲述小波分解原理及如何检验。(Tells Matlab to use the wavelet noise reduction technology, and wavelet theory, and how about the test.)
- 2010-04-12 07:16:07下载
- 积分:1
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A-Guide-to-MATLAB-for-Beginners
matlab 入门书,初学者和有经验的人士都有用处。(A Guide to MATLAB for Beginners and Experienced Users by Hunt Lipsman and Rosenberg)
- 2012-03-22 11:36:12下载
- 积分:1
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getephem
Extract satellite ephemeris data from RINEX version 2.1 navigation data file.
- 2013-09-26 23:58:35下载
- 积分:1
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calculstatorique
Induction machine stator fault
- 2015-03-03 14:35:19下载
- 积分:1
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HDD-Regenerator-1.71
HDD Regenerator 1.71(This is the tool Of Checking HDD)
- 2015-03-21 05:03:29下载
- 积分:1