Acoustic-Echo-Cancellation

图像处理中通过小波实现图像增强。基于matlab函数实现。(Image processing wavelet image enhancement. Based on matlab function implementation.)

雷达原理简要介绍，简单易懂，PDF格式的，适合初学者(The radar principle brief introduction, easy to understand, PDF format, suitable for beginners)

（1） 分别采集一段浊音和清音语音信号（是你自己说的），采样率为8KHZ，量化精度为16比特线性码； （2） 分析帧长取为30ms（或10ms～50ms）； （3） 根据语音信号倒谱分析和LPC谱分析的编程流程图（图2.1、图2.2）编制浊音语音信号谱分析的matlab程序，上机调试给出相应波形，并根据图形，观察共振峰情况； （4） 将语音信号换为清音语音，运行程序，与浊音语音的运行结果进行比较，并得出结论。 （5） 在LPC谱分析中，改变阶数p （p分别等于4、8、12、40）时，观察对谱包络的影响，并与信号谱（DFT谱）进行比较。 ( voice signal processing)

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) )

matlab C编程函数速查手册，很有参考价值(matlab C Programming Functions Quick Reference, great reference value)

B样条小波 matlab实现 文献资料付程序(B-spline wavelet matlab to achieve)

本文件提供了自己在做硕士论文过程中编写的有关结构动力学方面的程序，设计梁，杆，板，空间结构的动静力分析，并网页文件显示的是计算结果及图像显示(This document provides its own in the process of doing a master' s thesis prepared by the procedures in structural dynamics, design beam, rod, plate, spatial structure of the static and dynamic force analysis, and web document shows the calculation results and image display)

时频分析简单例程，WV和短时变换程序.代码简便，保证可以应用(Time frequency analysis of simple routines, WV and short-time transform program)

这个源码提供了穿墙雷达反向投影成像算法的实现(backprojection（BP）算法)

用MATLAB实现基于主导极点的PID控制器参数整定(Based on MATLAB setting the PID controller parameters with dominant pole )