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AIC定阶准则，借助信息论而提出的一个完全客观的定阶准则，建模时无需任何主观判断(Order determination criterion AIC)

用自相关法对信号进行计算机仿真，得出自相关法的优缺点。(Autocorrelation method with a computer simulation of the signal, obtained from the relevant laws of the advantages and disadvantages.)

MATLAB的小游戏，GUI解密，雷电游戏，键盘鼠标操作，很好玩。(MATLAB mini-games, GUI decryption, lightning games, keyboard and mouse operation, a lot of fun.)

永磁同步电机矢量控制的simulink仿真，自己按照原理搭建的电机模型(Simulink simulation of permanent magnet synchronous motor vector control, according to the principle of the motor model set up)

1. 判断闰年 根据输入的具体年份（在1900-2100之间，要求对输入进行有效性检查），判断是否闰年，并给出相应的提示信息 (1. To determine leap year according to input a specific year (in 1900-2100 between the call for input validation), to determine whether a leap year, and gives the corresponding tips)

说明：  此文件为Matlab编的一个基本pso算法，所用测试函数为 Rastingin(Matlab prepared this document for a basic PSO algorithm, used in the test function Rastingin)

用matlab编写的空间矢量调制方法，不错，已测试过了(Written by matlab space vector modulation)

矩阵运算与优化，包括特殊矩阵的生成及稀疏矩阵的介绍(Matrix calculation and optimization, including the introduction of a special matrix generation and sparse matrix)

distributes points around a given point

说明：  主要介绍了准正交空时分组码，包括ABBA，jafarkhani(Introduced quasi-orthogonal space-time block codes, including ABBA, jafarkhani)