butterworth-filter

it is a pdf file about H264 codec.

computer graphics on matlab

本文阐述了运用平面波展开法研究光子晶体带隙结构的整个过程，并附有MATLAB程序(This paper describes the use of the plane wave expansion method photonic band gap structure of the whole process, together with the MATLAB program)

dcmachines simulation in matlab simulink

a simple dynamic voltage restorer by rms control strategy by simulink

应用四步相移法实现包裹相位的解缠，另有解缠结果(Application of four step phase shifting method to achieve the wrapped phase unwrapping, otherwise the unwrapping results)

FDTD方法基本讲义,用于学习FDTD基本概念。(FDTD method is basically notes,to learn FDTD bacic.)

电力系统分析牛顿拉夫逊法就算潮流主程序及各个子程序合计牛拉法(Power Systems Analysis Newton Raphson even if the trend of the main program and each subroutine Total cattle Rafah)

奥村（okumaura）模型模拟matlab代码(Okumura model simulation matlab code)

bean recog -gui red , green and black color only