photonic_1D_TEM

一个航天器的动力学响应程序，采用模态价值分析准则和内平衡法则进行模型降阶。(Dynamic response of a spacecraft program, the use of value analysis mode within the balance guidelines and rules for model reduction.)

simulink models of voltage source rectifier,inverter and converter.

说明：  观测器设计 对MATLAB学习帮助很大(Observer design study of great help MATLAB)

论文：基于Matlab的QPSK系统设计仿真(Thesis: The QPSK system design based on simulation of Matlab)

利用平面波展开的方法计算二维光子晶体的缺陷模(Using plane wave expansion method to calculate two-dimensional photonic crystal defect modes)

used to determine the value of colour spaces

基于BOOST斩波电路的MTALAB仿真，仿真结果正确，开关电源设计必备仿真(BOOST chopper MTALAB based simulation, simulation results are correct, switching power supply design must Simulation)

张智星教授的数据聚类和模式识别MATLAB工具箱。(MTALAB)

％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)

说明：  Matlab 实现的逆变器仿真程序（开环控制）(The realization of the inverter Matlab simulation program)