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四旋翼飞行器控制，matlab仿真。文件夹里含有matlab代码和相应的文档(Full Control of a Quadrotor。 Matlab code and relative files are all attached.)

mimo-ofdm系统仿真，输出仿真图，信道脉冲响应实部虚部随信噪比变化时的改变图(mimo-ofdm system simulation, simulation output figure, the channel impulse response changes in real and imaginary parts of the map changes with SNR)

一种新的EMD改进算法，可以结合其他的解调技术，比如1.5维谱，最小熵解卷积，奇异值差分谱，小波能量谱等。(EMD, a new improved algorithm can refer to.)

pca故障检测可用于TE过程数据故障检测(pca fault detection Pca fault detection can be used for TE process data fault detection)

在网上下载到的各种降维方法的MATLAB程序，希望对大家能有所帮助(Downloaded to a variety of methods of dimensionality reduction MATLAB procedures, in the hope that we can help)

satellite Rendezvous using nonlinear equations and three accompanying function file. Two pdf files on formation and PSO.

说明：  四旋翼无人机是一种可以被遥控也可以在无人为控制的状态下执行预定任务的飞行器，与传统直升机相比四旋翼飞行器的机械结构简单，且具有高精度，灵活精度以及较低成本的特点，被广泛用于军事侦察，农艺播撒、快递派送、摄影工作等领域。四旋翼飞行器自身具有欠驱动、多变量、非线性等特性，在外界的噪声干扰情况下，增加了四旋翼无人机的不稳定以及控制系统的设计难度。所以对四旋翼飞行器的位姿控制的研究，可以开拓科研人员对控制算法以及滤波算法的认知，具有重要的研究意义。(Four-rotor UAV is a kind of aircraft that can be controlled remotely or perform scheduled tasks without human control. Compared with traditional helicopters, the Four-rotor UAV has simple mechanical structure, high precision, flexible precision and low cost. It is widely used in military reconnaissance, agricultural broadcast, express delivery, photography and other fields. Four-rotor UAV has the characteristics of under-actuation, multi-variable and non-linearity. Under the circumstance of external noise, the instability of Four-rotor UAV and the difficulty of control system design are increased. Therefore, the research on attitude control of Four-rotor aircraft can broaden the knowledge of control algorithm and filtering algorithm for researchers, and has important research significance.)

Facial reconnaissance program

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A simple code for plotting Bessel functions of any order through GUI.