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QSItools
自学的必备工具之一,通过编程可以练习进行各种生产单位的实践工作(Self taught one of the necessary tools)
- 2012-06-14 19:42:31下载
- 积分：1
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matlabcaijishuju
用matlab实现数据采集的方法 (Using matlab to achieve data acquisition methods)
- 2008-01-01 11:11:45下载
- 积分：1
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gaussseidel
programme Gauss seidel
- 2010-02-09 09:10:03下载
- 积分：1
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9radar-systems
雷达系统建模与仿真：回波波形、中放后波形、I/Q相干检波后波形、脉压后波形、MTI对消后波形、相参积累后波形、取模后波形、cfar后波形(Radar System Modeling and Simulation: echo waveform, the waveform after the release, I/Q coherent detection shaped pulse waveform after, MTI cancellation after wave, after wave coherent integration after modulo waveform, cfar waveform)
- 2014-01-13 18:07:47下载
- 积分：1
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6e
说明： this is simple signal processing matlab code
- 2012-02-04 15:56:27下载
- 积分：1
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程序
完全适用于摄影测量解析相对和绝对定向的matlab程序文件(Absolute Orientation & Relative Orientation)
- 2021-04-06 14:29:02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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AR
AR.m的matlab源程序，用于预测模型使用，别人给的！(AR.m matlab source code for the prediction model using someone else' s!)
- 2013-07-30 10:26:07下载
- 积分：1
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DSB-AM-modulation-and-demodulation
现代通信原理课程中，在MATLAB中实现ＤＳＢ－AM的调制与解调。(Modern communication theory course, in MATLAB to achieve DSB-AM modulation and demodulation.)
- 2011-10-04 10:51:32下载
- 积分：1
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pattern-recognizer
article of pattern recognizer
- 2013-11-30 12:44:20下载
- 积分：1
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