MPSK_QAM

基于瞬时无功功率理论的谐波检测ip-iq改进方法，值得学习(Based on instantaneous reactive power theory, ip-iq improvement of harmonic detection method, it is worth learning)

这是基于matlab的关于模糊控制pid的源代码，对于学习pid控制器的很有用(This is based on the fuzzy control pid matlab source code for learning useful pid controller)

极坐标系下的Matlab三维画图程序，实用性好(polar plot 3D Matlab source code)

介绍了随机信号处理，并重点阐述了卡尔曼滤波在随机信号处理中的应用，并有matlab仿真的实例。(Introduction to Random Signals and Applied Kalman Filtering with Matlab Exercise)

测试rastrigin 函数PSO智能算法优化程序(rastrigin PSO)

说明：  信号处理 是经验小波分解， 能够有效的分解信号，提取故障特征(Signal processing is empirical wavelet decomposition, which can effectively decompose signals and extract fault features)

try this and feedback

画出数据的histtogram频率分布图及其概率密度函数，其中概率分布图的小区间范围以及整个数据区间的范围均可调(Plot the histtogram and probability density function (PDF) of statistic data which the whole range and subrange of the plot can be adjusted.)

说明：  利用盲源分离原理的方法，可以实现多路信号的同时恢复。(The method of blind source separation can realize simultaneous recovery of multiple signals.)

OFDM transmitter, including signal mapping for M-QAM and quantizer