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MATLAB simulation of the Brown movement
布朗运动的MATLAB模拟，动态图形的一个简单学习例程。txt文件，粘贴到matlab中就可以运行。(The MATLAB simulation of the Brown movement, a simple learning routine for dynamic graphics. Txt files, paste into the Matlab can run.)
- 2018-02-09 23:12:31下载
- 积分：1
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TWTA
用MATLAB编程的语言，求解对TWTA的无记忆特性的描述(Using MATLAB programming language, solving for TWTA description of the non-memory characteristics)
- 2013-09-25 20:46:41下载
- 积分：1
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tuxiangjiami
基于matlab的数字图像加密，简单的分层变换(Digital image encryption matlab based, simple hierarchical transformation)
- 2015-04-18 22:41:30下载
- 积分：1
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1466580208_Finite
Introduction to Finite Element Analysis Using MATLAB and Abaqus ebook pdf
- 2013-07-24 21:52:59下载
- 积分：1
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H-vo-cung
robust control balancing robot
- 2014-09-29 16:06:20下载
- 积分：1
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shangchuan
能够进行模糊像质评价,利用结构相似度进行评价(measure image quality of blurring，use simliar structure.)
- 2013-03-15 09:36:20下载
- 积分：1
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delgkt4_lungkuta4_47step
振动理论中用四阶龙格库塔法解决受阶跃式激励的单自由度问题(Vibration theory with fourth-order Runge-Kutta method to solve by the step-like incentive problem SDOF)
- 2014-12-15 18:50:08下载
- 积分：1
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MATLAB-SIMULINK
matlab和simulink的进阶书籍，适合控制类专业的学生(Advanced matlab and simulink books suitable for the control class professional students)
- 2012-10-11 09:59:38下载
- 积分：1
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pankiu_v75
cordic算法的matlab仿真，小波包分析提取振动信号中的特征频率，微分方程组数值解方法。( cordic matlab simulation algorithm, Wavelet packet analysis to extract vibration signal characteristic frequency, Numerical solution of differential equations method.)
- 2016-09-21 12:55:16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
