hfiles

窄带、宽带ARMA模型的N、p、信噪比等不同时对谱估计的分析(Narrowband, broadband ARMA model N, p, N, which are not at the same time spectral analysis)

风力发电机叶片设计 glauetr优化法设计叶片弦长和安装角的matlab程序(glauetr methed for wind turbine blade design)

该算法是粒子群算法和网格直接搜索算法的结合，具有稳定性高的优点。(This is a combination of particle swarm optimization algorithm and grid direct search algorithm.)

Rosenbrock函数图像绘制源代码程序。为毕业设计而制作。——张景(Rosenbrock function image mapping program source code. Designed and produced for graduation.- Zhang)

MATLAB GUI教学视频7：ListBox的基本用法(MATLAB GUI instruction video 7: ListBox basic usage)

二维连续随机介质 matlab源程序 介质模拟(2 d continuous random medium)

matlab仿真中用s函数编写的信号频率测定程序(s function matlab simulation using test procedures prepared by the signal frequency)

联合开发网 - pudn.com

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)... *()

主要讲述如何利用matlab进行建模和仿真，都是一些基础知识，适合初学者(Mainly on how to use matlab for modeling and simulation, are some of the basics for beginners)