电网同步跟踪技术 FLL1

说明：  有两个程序，用于研究Mallet算法及滤波器设计和消噪(are two procedures for research and Mallet filter algorithm design and denoising)

MATLAB计算计盒维数程序,国外网站找的，挺不错的(Calculation of box fractal dimension using MATLAB)

Abaqus 的JC UMAT程序,适合于UMAT初学时，对UMAT程序进行了解以及熟悉对Abaqus中对UMAT子程序的使用过程(The Jc model of UMAT)

以新型混沌系统———Liu系统为例,运用Matlab对混沌系统进行建模和动态仿真,分析了其动态仿真在混沌控制与同步中的应用,并对仿真结果作了简要的说明和讨论. (--- Liu chaotic system with a new system, for example, use of Matlab to the chaotic system modeling and dynamic simulation analysis of its dynamic simulation in the chaos control and synchronization of applications, and simulation results gave a brief description and discussion.)

the bst program foroptimazation jhuuh

说明：  同步电机的matlab语言程序，在matlab环境下开发(Matlab synchronous machine language program developed in matlab environment)

用于数学建模解决最短路径或者类似的优化问题(Mathematical modeling is used to solve the shortest path or similar optimization problems)

七单元天线阵MUSIC DOA估计： d=1 ， 天线阵元的间距； lma=2， 信号中心波长； 四输入信号； A=[A1,A2,A3,A4]， 得出A矩； 四信号的频率d=[1.3*cos(v1*n) 1*sin(v2*n) 1*sin(v3*n) 1*sin(v4*n)] 构造输入信号矢量 U=A*d 总的输入信号 总输入信号的协方差矩阵 [s,h]=eig(c) 求协方差的特征矢量及特征值 取出与零特征值对应的特征矢量 求协方差矩阵的逆矩阵 应用Music法估计输出 绘出各波达方向图(Seven-element antenna array MUSIC DOA estimates: d = 1, Antenna Array pitch LMA = 2 signal center wavelength four input signals A = [A1, A2, A3, and A4], drawn A moment tetra-frequency of the signal D = [1.3* cos (V1* n) 1* ⁢ sin (v2* n) 1* sin (v3* n) 1* sin (V4* n)] constructed input signal vector U = A* D of the total input signal of the total input signal covariance matrix [S] = EIG (c) seeking covariance feature vector and the feature value removing and corresponding to the zero eigenvalues ​ ​ characterized vector seeking covariance matrix inverse matrix Applications Music estimate output plotted DOA Figure)

Hi this zip file includes tow m files for applying simple pso. extrat the files and enjoy it

光伏并网系统单相逆变器电压前馈电流控制，基于matlab 7.3 。(photovotaic grid-connected system single-phase inverter voltage feed forward current control,based on matlab 7.3)