robot-PID-contorller

Kalman filter examples, learning_demo

finite element code based on disc galerkin method.I ve download it from some file exchange sites based on matlab programming

说明：  again other methods for clustering

Using magic time-step in a one-dimensional FDTD grid, implement total-field/scattered-field wave-source condition

实现模糊PID控制仿真，非常有用，编程人员只需简单修改参数即可。(Fuzzy PID control simulation, very useful, programmers can simply modify the parameters.)

DQM法matlab代码，用于求解输液管道的失稳问题，在边界弹簧刚度变化的情况下，给出了临界失稳流速。(DQM method matlab code for solving the instability problem pipes conveying fluid, the spring stiffness in the border cases, given the critical buckling velocity.)

信号y=sin(2*pi*f1*t)+sin(2*pi*f2*t)加上信噪比为2高斯白噪声的傅里叶变换，分别画出时域和频域图(Signal y = sin (2* pi* f1* t)+ sin (2* pi* f2* t) plus noise ratio for two Gaussian white noise of the Fourier transform, respectively, to draw the time domain and frequency domain)

蓝牙跳频系统用simulink的仿真.系统主要包含信号传输，信号接收，谱分析以及无码分析部分(The system of Blueteeth Frequency hoping worked under simulink )

用matlab实现的SURF算法，具有较强实用性，可以调试使用。(SURF algorithm using matlab realize, with strong practicality, you can debug.)

峰值电流模式Buck变换器分岔图，以输入电压为变量。(Bifurcation diagram of peak current mode Buck converter, using input voltage as variable.)