MATLAB-exercise

离散多载波传输(DMT)的MATLAB程序及注释，多初学者会有帮助(discrete multicarrier transmission (DMT) and the MATLAB program notes, there will be more help beginners)

用于实现二进制时频调制与解调，并实现了误码率的计算(Used to achieve binary time-frequency modulation and demodulation, and to achieve the bit error rate calculation)

function to calculate the integral using trapezoidal rule

基于双正交小波包的图像压缩研究，用于于2的图形开发的研究(Biorthogonal wavelet packet based image compression research)

现代通信系统（实用MATLAB)第三章程序(Modern communication systems (useful MATLAB) Chapter III of the procedure)

说明：  收藏了两篇关于Kalman滤波器的经典教程，一篇是英文原版，令一篇是翻译本，对初学者很有帮助。(Kalman Filter )

自己编写的灰度图像的锐化函数，可以提取边缘，保留背景区域。(I have written grayscale image sharpening function, can extract the edge of the the background area reserved.)

a=load( q.txt ) width=input( 请输入窗宽 ) step=input( 请输入步长 ) m=length(a) for i=1:floor((m-width)/step+1) s(i,1:width)=a(1,1+(i-1)*step:width+(i-1)*step) end b=max(max(s)) M=s./b Rs=input( 请输入本体集半径 ) nd=input( 请输入检测器数模 ) k=1 while k<=nd d{k}=rand(1,width) for i=1:floor((m-width)/step+1) if (norm(d{k}-s(i,:)))^2<Rs break end end k=k+1 end for j=1:nd for i=1:floor((m-width)/step+1) R(i)=(norm(d{j}-s(i,:)))^2(a = load (' q.txt' ) width = input (' Please enter the window width' ) step = input (' Enter step size' ) m = length (a) for i = 1: floor ((m-width)/step+1) s (i, 1: width) = a (1,1+ (i-1)* step: width+ (i-1)* step) end b = max (max (s)) M = s./b Rs = input (' Please enter the body set radius' ) nd = input (' Please enter the number of detector modules' ) k = 1 while k < = nd d {k} = rand (1, width) for i = 1: floor ((m-width)/step+1) if (norm (d {k}-s (i ,:)))^ 2 <Rs break end end k=k+1 end for j=1:nd for i=1:floor((m-width)/step+1) R(i)=(norm(d{j}-s(i,:)))^2)

索书号文字图像分割 索书号文字图像分割(Call text image segmentation Call text image segmentation)

matlab程序，经过多次调试可以运行，包含多个文件，可以准确得到结果。(matlab program, after several debugging can run, contain multiple files, you can get accurate results.)