ECG

锁相环PLL原理与应用入门教程，很经典，值得一看(Principle and Application of phase-locked loop PLL Tutorial, very classic, worth a visit)

画贝塞尔（besselj）函数和第二类变型贝塞尔（besselk）函数图像(the images of besselj and besselk function )

先进pid matlab 仿真 刘金琨 第版 第一章程序 pid matlab simulink liujinkunc hap01_10.rar (Liu Jinkun advanced first pid matlab simulation program version of the first chapter pid matlab simulink liujinkunc hap01_10.rar)

说明：  信号功率谱的AR模型估的MATLAB代码( PowerSpectrum Density Estimation based on AR mode. and MATLAB file )

详细给出了基于madani型的模糊控制器的matlab实现过程，以及与PID控制器在控制性能上的对比。(Based given in detail matlab madani type of fuzzy controller process and comparison with a PID controller on the control performance.)

低频信号先进行放大，再调制解调，设计发射机和接收机(Low-frequency signal is first amplified, and then modulation and demodulation, the transmitter and receiver design)

As was pointed out to investigate the behavior of synchronous generator using a simple model (model steady state) is not sufficient so that the equations obtained in the dq. For simulation models to make them as equations of state:

基于改进粒子群算法的BP神经网络及其应用 里面很好的介绍了粒子群的优化效果(Particle swarm optimization based on improved BP neural network and its application within a very good introduction to the effects of particle swarm optimization)

在Stratonovitch意义下数值模拟Brownian Process的一个简单的程序，上传给大家分享(Numerical simulation of Brownian Process by Stratonovitch method)

adaboost程序，演示程序，直接可以运行，修改部分程序即可运用到自己的应用中(adaboost, presentation program can run directly modify parts of the program can be applied to their own applications)