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ABC_MATLAB 内涵多个文件，大家一块学习(ABC_MATLAB )

las文件是激光点云数据文件，此程序用于通过matlab、读取las文件(read las file ，matlab)

如何运用朴素贝叶斯的公式对两类特征进行分类(How to use simple bayesian formula characteristics of two kinds of classification)

％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)

脊线提取，利用连续小波变换提取信号中的脊线，(Ridge line extraction)

说明：  信道编码和信道解码的程序，用于matlab的仿真的只用，可用于教学(channel coding and channel decoding procedures for the simulation of Matlab only can be used in teaching)

利用MATLAB的GUI功能制作电机旋转磁场演示软件。(MATLAB-GUI features making use of the motor rotating magnetic field presentation software.)

说明：  rd算法仿真，有单点目标成像仿真结果。去除了距离徙动。(rd algorithm simulation, has a single point target imaging simulation results. In addition to migration distance.)

西北工业大学数学建模第四章习题程序，linprog矩阵运算(Northwest Industrial University mathematical modeling fourth chapter Exercises procedures linprog matrix)

用来求解线性卷积和循环卷积两卷积相等时，循环卷积的最小长度N(Used to solve the linear convolution and cyclic convolution convolution is equal to two, the minimum length of N circular convolution)