matlab4

基于Matlab／simulink的交-交变频器仿真研究(Based on Matlab/simulink delivery- AC Inverter Simulation)

填充图的MATLAB实现方法，主要解决图像处理中图像填充问题，相对去C语言，它更简单(Fill MATLAB implementation method, and mainly solves the problem of image processing image filling, relative to the C language, it is more simple)

宽带DOA的TCT算法，从本网站下载之后，发现程序有点问题而不能运行，对线性调频信号的生成做了小改动后，程序可以正常运行(The TCT algorithm for broadband DOA，the code is download from this website previously, but find a problem and the program can t run , then modify the code of linear FM signals generation, the program can run)

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)... *()

用块匹配法进行运动估计的matlab实现方法(block matching method used for motion estimation method of Matlab)

optisystem下光调制演示，包括AM调制和FM调制等(optisystem Modulation Demonstrate)

水下三点中继协作通信系统中中继节点位置和发射频率的选择(Choose three underwater relay cooperative communication system relay node locations, and the transmission frequency)

在matlab画图时 能增加两条数据指针 方便读取数据(put data cursors on your plots)

基于MATLAB的内模控制器的简单设计实现，应用于ARM上(Internal model controller based on MATLAB realization of a simple design, is applied on ARM)

This program to solve and plot Volt and Current of RL,RC and RLC