lisan

国外的一个非常实用的MATLAB电力电子库(Abroad, a very practical MATLAB Power Electronic Library)

routine to take the Fourier transform of a signal and plot both the time and frequency domain representations

Particle swarm optimization algorithm ( 粒子群优化算法)

将core.txt文件放在C盘根目录下,然后打开matlab，点击“文件”-“打开”选中main.m文件，“运行”这个文件。 命令窗口马上就会显示出运行结果。 mm_Red.m为封装的盲目约简算法.返回值为约简结果. sxzyd_Red为封装的基于属性重要度约简算法.返回值为约简结果. bsjz_Red为封装的辨识矩阵约简算法.返回值为辨识矩阵和约简结果. cal_sig为封装的求属性重要度的函数。 max_min为封装的求属性度最大，划分个数最小的属性的函数。 dele_max为封装的删除属性度最大，划分个数最小的属性的函数。 mycore.m为封装的求核函数. myind为封装的求划分的函数. ind_E_a为求每个属性的划分的函数.(Files on the core.txt to the C root directory, then open matlab, click on " File" - " Open" main.m file is selected, " Run this file. The command window is displayed immediately run results. mm_Red.m the package blindly reduction algorithm. return value reduction results. sxzyd_Red degree reduction algorithm based on attributes important to package the return value is the result of the reduction. bsjz_Red matrix reduction algorithm for the identification of the package. return value identification matrix and reduction results. cal_sig package attribute importance to the function. max_min demand for the package attribute degrees largest division of the function of the minimum number of attributes. delete attribute degrees dele_max package is the largest division of the function of the minimum number of attributes. mycore.m seeking nuclear function package. myind package and by function. ind_E_a for the sake of each attribute divided function.)

说明：  本书以单元练习的形式，从MATLAB最基本的问题入手，循序渐进，逐渐过渡到较为复杂的数学问题、信号分析问题、力学问题和电学问题的求解，将MATLAB的学习贯穿在解决不同领域实际问题的过程当中。每一个练习都结合问题，介绍与之相关的MATLAB使用知识。全书50个练习基本上涵盖了MATLAB的主要功能。本书不仅是一本初学者可以用来入门的教程，而且对于专业设计人员来说，也是一本内容翔实、可供借鉴的参考(In the form of unit practice, this book starts with the most basic problems of MATLAB, gradually transits to the solution of more complex mathematical problems, signal analysis problems, mechanical problems and electrical problems, and runs the learning of MATLAB through the process of solving practical problems in different fields. Each exercise is combined with the problem, and introduces the knowledge of MATLAB. The 50 exercises in the book basically cover the main functions of MATLAB. This book is not only a tutorial for beginners, but also a reference for professional designers)

仿真程序：首先需要用一个随机发生器产生（0.1）内的均匀随机数，然后再将该序列映射到对应的幅度电平｛Am｝。然后将这个范围再分成4个相等的区间，这些子区间分别对应于4个信号比特的符号00，01，10，11。检测器观察到r=Am+n，并且计算r和4种可能传输的信号幅度之间的距离，它的输出Bm就是相应于最小距离的信号电平。Bm与真正的的传输信号幅度比较，差错计数器用来对检测器产生的差错计数。(Simulation program: first need to use a random generator (0.1) the uniform random number, then the sequence is mapped to the corresponding amplitude level {Am}. Then this range has been divided into four equal intervals, these sub-intervals corresponding to four signal bits of the symbol 00,01,10,11. Detector observed r = Am+ n, and calculate r and 4 possible transmission distance between the signal amplitude, its output corresponding to the minimum distance Bm is the signal level. Bm and the real rate of transmission of the signal comparison, error detection counter is used to generate the error count.)

基于瞬时无功理论的有源电力滤波器的simulink模型，能够很好的滤除电源谐波和无功电流。(The simulink model of the active power filter based on the PID regulator, the filter power harmonics and reactive current.)

Beam Analysis Matlab Codes

利用matlab的m函数和simulink达到题目中的要求(Use matlab m-function and simulink meet the requirements of the title)

ASK调制解调模块 FSK调制解调模块 4FSK调制解调模块 8FSK调制解调模块 MSK调制解调模块 DBPSK调制解调模块 4PSK调制解调模块 8PSK调制解调模块 (ask)