power_electronics

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介绍了matlab中的帮助命令，比较全面，能让学习者快速取得帮助。(The introduction of the matlab help command, a more comprehensive and allow speedy access to help learners.)

Find all cohere method

Wiener filter with multiple parameters

控制理论算法在采用状态反馈对目标进行控制时，往往忽略了时滞的存在。时滞往往存在于真实的系统中，而忽略时滞所设计的控制器在复杂的系统中可能会失效。本算法基于李雅普诺夫稳定性理论，以LMI的方式给出时滞系统的稳定性分析判据。(Time delay is widely existed in many engineering contrl systems whiile in many contrl theory and algothms time delay is ignored. This algorithm is given to analysis the stability of close- loop feedback time delay systems. And classical examples are given to demanstrate the effectiveness of this method.)

倍频程和三分之一倍频程滤波器设计源代码 希望大家多多交流(Octave and third octave filter design source code hope that we can exchange)

流行学习isomap（有标注，便于更好理解等距映射方法在高维数据降维过程的实现）(Popular learning isomap (have annotations, facilitate better understanding isometric mapping method in the implementation of the high-dimensional data dimension reduction))

利用Matlab提供的firhalfband函数设计阶数为16、通阻带容限为0.0001的半带滤波器。 仿真测试滤波前后的信号时域图，绘制滤波器的频率响应特性图。( Matlab provides firhalfband function design of the order number is 16, stopband tolerance of 0.0001 half band filter. simulation test before and after filtering signal time domain graph, drawing filter frequency response characteristics of the figure.)

stochastic subspace identification code

ECON 6219 UNCC estimate AR-GARCH model