Communication-systems-using-MATLAB

％radon transform clear all ％ N=800 n=1:N fs=200 t=n/fs x1=exp(j*2*pi*(5*t+0.5*5*t.^2)) x2=exp(j*2*pi*(5*t+0.5*15*t.^2)) x=x1+x2 ％N=length(x) ％ ambifunb(x ) ％*****************************************RAT naf=ambifunb(x) htl(abs(naf)) ％ [wh,rho,theta]=htl(abs(naf)) colormap([0,0,0]) ％ xlabel( 极半径 ) ％ ylabel( 角度 ) ％**************************************％找出峰值点的坐标,计算初始频率和调频斜率(正确) ％找出峰值点的坐标 b=max(max(wh)) [u,a]=find(wh>=0.8*b) ( Radon transformclear all N = 800 n = 1: N fs = 200 t = n/fs x1 = exp (j* 2* pi* (5* t+ 0.5* 5* t. ^ 2)) x2 = exp ( j* 2* pi* (5* t+ 0.5* 15* t. ^ 2)) x = x1+ x2 N = length (x) ambifunb (x)***************************************** RATnaf = ambifunb (x) htl (abs (naf)) [wh, rho, theta ] = htl (abs (naf)) colormap ([0,0,0]) xlabel (polar radius) ylabel (angle)************************************** to find the coordinates of the peak point, calculating the initial slope of the frequency and FM (right) find the peak point of the coordinates b = max (max ( wh)) [u, a] = find (wh)

在图像处理时，有时需要用到图像分割。上述资料可以作为使用matlab进行图像分割的参考资料。(In the image processing, and sometimes need to use the image segmentation. The above information can be used as image segmentation using matlab reference.)

匹配追踪和正交匹配追踪，通过虚拟阵元进行DOA估计，针对EMD方法的不足,实现典型相关分析，GSM中GMSK调制信号的产生。(Matching Pursuit and orthogonal matching pursuit, Conducted through virtual array DOA estimation, For lack of EMD, Achieve canonical correlation analysis, GSM is GMSK modulation signal generation.)

粒子滤波的ＭＡＴＬＡＢ程序，比较基础。一个目标检测。(Particle filter MATLAB procedures, basis of comparison. A target detection.)

Direct Sequence cdma

计算压缩感知的测量矩阵和稀疏基的RIP因子。(This file aims to calculate the RIP factor or the measurement matrix and sparse base in compressive sensing field.)

PI tuning for DVR control

emd算法 还是比较详细准确的算法 英文注释(emd algorithm is more detailed and accurate algorithm for English Notes)

programme in matlab - aproximation 1D & 2D- using square root method

说明：  迄今为止最好的svm工具箱 包含了波形和图像的处理(svm classification)