2009B_matlab

主要面向工程设计人员，涉及的知识不但包括软件应用，还包括专业基础知识，是机械，电子领域技术人员的最佳参考书(Primarily for engineers, the knowledge involved, including not only software applications, including professional knowledge, machinery, electronics technicians the best reference books)

MOSFET in Zero-Current-Quasi-Resonant Converter 在simulink中仿真mosfet的模型程序。(MOSFET in Zero-Current-Quasi-Resonant Converter in simulink simulation model MOSFET process.)

MATLAB信号处理必不可少的滤波器设计全解(MATLAB signal processing filter design essential to the whole solution)

％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)

总共有三个源代码： progam1:波达方向估计DOA：三个接收器对波达方向的联合估计问题 progam2:利用电子旋转求DOA progam3:波达方向矩阵法对水听器的DOA进行估计　超好(A total of three source code: progam1: Direction of Arrival Estimation DOA: three receivers on the joint DOA estimation problem progam2: the use of electronic rotary seeking DOAprogam3: DOA matrix method of hydrophone DOA estimate super good)

提供一种计算杆件内力和位移的matlab有限元算法(A finite element method for calculating the internal force and displacement of the bar provided.)

说明：  输入一个整数，求它的各位数字之和及位数. 例如234的各位数之和是9，位数是3。(inport a number putout anumber aaaaaaaa)

Basic Kalman filter, heavily commented, for beginners to Kalman filtering.希望对广大matlab爱好者有用(Basic Kalman filter, heavily commented, for beginners to Kalman filtering. hope to the majority of matla b useful lovers)

Matrix Converter Commutation Strategies With and Without Explicit Input Voltage Sign Measurement

说明：  matlab 的详细讲解例程,图文并茂，适合初学者使用。(A brief introduction about matlab.)