lianxu

This code is a real seismic data in segy format.

说明：  matlab 计算pid 控制器,可以做任何计算很好用(apply matlab to compute PID controller)

正弦波脉宽调制技术（SPWM）相电压波形的产生与实现(Phase voltage waveform of the sinusoidal pulse width modulation (SPWM))

信息隐藏实验教程，武汉大学出版社，主要关于图像载体知识，伪随机数发生器，图形信息的伪装技术(Information hiding experimental tutorials, Wuhan University Press, mainly camouflage technical knowledge of the image carrier, a pseudo-random number generator, graphic information about)

An example to understand sampling of continous wave and fft

控制系统中PID分数阶控制系统MATLAB工具箱(MATLAB Toolbox for PID Fractional Order Control System)

[Signals and Systems]_This algorithm reconstructs a sampled signal and shows the effects of sampling (aliasing sincs)

Image retri CBIR walvet

matlab 实现的基于logistic 混沌映射的图像加密，可用于灰度图像和彩色图像的加密。(Grayscal and color image encryption based on Logistic map)

四旋翼无人机的动力学模型建模验证分析，模拟运行飞行器的飞行过程。(Four, the dynamic model of rotor UAV is modeled and analyzed to simulate the flight process of the running aircraft.)