qiantuihuidaifa

说明：  BPPID程序 刘金坤 先进pid控制matlab仿真(BPPID pid control procedures Liu Jinkun advanced simulation matlab)

Code for power supply control for variable power supply

a code source for sampling an analog signal & reconstruction it

PV USEFULL FOR ANY SYSTEM

FFT应用实例 产生一组信号，由两个频率为60Hz和150Hz的正弦信号和随机噪声叠加而成，(FFT application instanceproduce a set of signals, by two frequency is 60 hz and 150 hz sine signal and random noise,)

这里和大家分享的几种基础的分类方法，其中包括判别聚类分析、人工神经网络、主成分分析等(Here and to share the basis of several classification methods, including discriminant cluster analysis, artificial neural networks, principal component analysis)

Solving Applied Mathematical Problems with MATLAB chapitre 3

OFDM的QPSK调制与解调,有说明，有需要的朋友可以看看(OFDM QPSK modulation and demodulation, a note, a friend in need can look)

gradient function for matrix

说明：  采用pso进行pid参数寻优，利用m文件调用simulink仿真(Using PSO to optimize PID parameters)