matlabwen

用筛选法求m内的素数，给一个数求其是几位数，并输出每位数(Screening and m within a prime number, give a number for its several numbers, and the number of output per person. )

用MATLAB实现最速下降法_牛顿法和共轭梯度法求解实例(Using MATLAB steepest descent method _ Newton method and conjugate gradient method for solving examples)

基于三个模型的目标跟踪，中心角速度为0.偏移角速度固定。能够解决轨迹为非线性的目标的跟踪。自带轨迹。(Target tracking based on the three models, the central angular velocity is 0. Offsets the fixed angular velocity. Can solve the trajectory tracking of nonlinear target. Own trajectory.)

Digital clock simulation in Matlab

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)... *()

51全面参考书籍，非常好，有需要的请尽快下载。(51book，download be quick !)

高分辨率雷达信号处理，PDF文档，送给感兴趣的朋友。(high-resolution radar signal processing, PDF files, as well as to interested friends.)

MATLAB环境下小波变换的英文书籍,介绍了MATLAB编程、滤波器、正弦曲线、傅里叶变换、Z变换、小波变换并介绍了几个应用例子(English contents: 1.Introduction 2.MATLAB 3.Filters 4.Sinusoids 5.Sampling 6.The Fourier Transform 7.The Number e 8. The z-Transform 9.The Wavelet Transform 10.Applications )

％本程序功能是计算2幅彩色图像的PSNR,以此来评价图像处理的效果％％％％％％％％％ ％ 运行的结果保存在变量PSNR中( This program features the calculation of two color images of the PSNR, in order to evaluate the effect of image processing the results of running stored in variables in PSNR)

MATLAB高级讲义实例5(SIMULINK仿真基础)(MATLAB examples of senior notes 5 (SIMULINK simulation based))