PCA

通信常用锁相环仿真－matlab格式－有简单注释。(Communications Common PLL simulation-matlab format- a simple comment.)

DFT变换求相位差和振幅大小程序，可以滤除噪声精确求得相位差和幅度值(DFT code)

普通PID控制，本人已试过，非常好使，希望大家的支持，谢谢！(Ordinary PID control, I have tried, very so that, hope everyone' s support, thank you!)

dsb仿真，没有高斯白噪声的，可用！！！(dsb simulation, there is no white Gaussian noise can be used! ! !)

说明：  仿真了4种常见多径衰落信道，包括无人机信道(The four common multipath fading channel, including the uav channel)

dsss 仿真 干扰比较 用于学生matlab学习(dsss Interference Simulation )

粒子群优化算法matlab程序，简洁易懂，适用于初学者！(Particle Swarm Optimization algorithm matlab program)

huffman algorithm can be used for compression data in matlab program

去雾算法，包括了matlab代码，和几个可以使用的exe文件(Defogging algorithm)

计算振动信号的Choi-Williams分布，通过对照轴承故障特性频率可知，轴承的外圈发现了故障，完成了对外圈的故障特征提取。(The Choi-Williams distribution of the vibration signal is calculated. Through the comparison of the bearing fault characteristic frequency, the outer ring of the bearing is found to be faulty.)