pca

This simulink model simulates the damped driven pendulum, showing it s chaotic motion. theta = angle of pendulum omega = (d/dt)theta = angular velocity Gamma(t) = gcos(phi) = Force omega_d = (d/dt) phi Gamma(t) = (d/dt)omega + omega/Q + sin(theta) Play with the initial conditions (omega_0, theta_0, phi_0 = omega(t=0), theta(t=0), phi(t=0)) and the system parameters (g, Q, omega_d) and the solver parameters/method. Chaos can be seen for Q=2, omega_d=w/3. The program outputs to Matlab time, theta(time) & omega(time). Plot the phase space via: plot(mod(theta+pi, 2*pi)-pi, omega, . ) Plot the Poincare sections using: t_P = (0:2*pi/omega_d:max(time)) plot(mod(spline(time, theta+pi, t_P), 2*pi)-pi, spline(time, omega, t_P), . ) System is described in: "Fractal basin boundaries and intermittency in the driven damped pendulum" E. G. Gwinn and R. M. Westervelt PRA 33(6):4143 (1986) (This simulink model simulates the damped driven pendulum, showing it s chaotic motion. theta = angle of pendulum omega = (d/dt)theta = angular velocity Gamma(t) = gcos(phi) = Force omega_d = (d/dt) phi Gamma(t) = (d/dt)omega+ omega/Q+ sin(theta) Play with the initial conditions (omega_0, theta_0, phi_0 = omega(t=0), theta(t=0), phi(t=0)) and the system parameters (g, Q, omega_d) and the solver parameters/method. Chaos can be seen for Q=2, omega_d=w/3. The program outputs to Matlab time, theta(time) & omega(time). Plot the phase space via: plot(mod(theta+pi, 2*pi)-pi, omega, . ) Plot the Poincare sections using: t_P = (0:2*pi/omega_d:max(time)) plot(mod(spline(time, theta+pi, t_P), 2*pi)-pi, spline(time, omega, t_P), . ) System is described in: "Fractal basin boundaries and intermittency in the driven damped pendulum" E. G. Gwinn and R. M. Westervelt PRA 33(6):4143 (1986) )

说明：  最优多用户检测，即最大后验概率的算法，主要是用于多用户检测中(Optimal multi-user detection, that is, maximum a posteriori probability algorithm, mainly used for multi-user detection)

利用Zernike Polynomial实现功放模型的文献，IEEE新资料(Zernike Polynomial)

用MATLAB设计的四种FIR滤波器，每行代码都有详细的解释，适合于初学者学习用。(The fir filter designed with MATLAB ，each line of code has a detailed explanation, suitable for beginners to learn.)

说明：  本文对指纹特征点的提取，特征点的匹配，用matlab进行了实现(In this paper, the fingerprint feature points extraction, feature point matching, was realized with matlab)

空时码中的stbc的matlab代码，专业书上的代码，可以运行，希望对您有用(Space-time codes in the stbc the matlab code, professional code book, you can run, I hope useful to you)

求解TSP问题，即在N个城市中各经历一次回到出发点，使所经过的路程最短。采用连续的Hopfield网络实现以5个城市为例的TSP问题。(TSP problem, that each of the N cities experiencing a return to the starting point, so that the shortest distance elapsed. Use continuous Hopfield networks to five cities as an example of the TSP.)

随机状态子空间实验模态参数识别方法算法源程序(ssi modal identification)

THIS matlab code is for MIMO receive diversity

刘金坤《先进 PID 控制及其 MATLAB 仿真》书上第五章源程序。供大家参考。(Liu Jinkun " Advanced PID Control and MATLAB Simulation" Chapter book source. For your reference.)