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Matlab cod for exemple of fir filter

可以拟合两点之间的偏差，只需要给出函数相应的数据(The deviation between two points can be fitted, only the corresponding data are given functions)

convex_letterV 光波通过V型窗口时的衍射效果模拟源程序(convex_letterV light waves through the V-shaped window of diffraction effects simulation program)

这是一个关于MATLAB环境下实现解调信号检错的程序(This is a MATLAB environment to achieve the demodulated signal error detection procedures)

PEG algorithm for LDPC codes

数字水印的源码，很全。程序中用到的图也在里面。(Digital watermark source, it is full. Procedures which are used in Fig.)

一个matlab小程序，三次输错密码后，可以调用摄像头进行拍照，并发送飞信和电子邮件（当然需要进行必要的设置，注释很清楚）(A small matlab program, three times the wrong password, you can call the camera to take pictures and send flying letters and e-mail (of course, need to take the set, comments very clear))

说明：  MATLAB数学建模工具，很好的建模资料(Matlab mathetical modelling toolbox)

单极性H桥DC-DC逆变电路仿真，结果正确，输出波形好(Unipolar H-bridge DC-DC inverter circuit simulation, the result is correct, the output waveform)

一级倒立摆系统采用lqr方法控制，使其达到平衡状态(Inverted pendulum system using lqr to control, to reach the equilibrium state)