fft

面板数据模型的matlab程序（以香烟为例）(Panel data model matlab program (to cigarettes as an example))

说明：  TASI法相机标定，实现一阶径变系数和焦距F的求解。误差为5个像素(TASI camera calibration method to achieve first-order path coefficient and focal length F of the Solution. Error of 5 pixels)

说明：  运行主函数qam.m，可得到调用理论误符号率曲线和仿真结果。仿真结果包括误符号率和误码率。(running qam.m main function will receive the symbols mistakenly called theoretical curve and simulation results. Simulation results include misuse of the symbol rate and bit error rate.)

白噪声背景下，均匀圆阵列的波束形成，并用三维形式显示出来(White noise background, the uniform circular array beamforming, and displayed three-dimensional form)

蕞优分组周游路线问题是一类物流智能调度问题，是众多的计算难度极大的组合爆炸问题之一。自从运输问题最早是由Hitchcock在1941年提出的[2][4]后，人们对这一类问题给予了极大的关注并进行了大量的研究，提出了有效解决问题的优化算法——单纯形法的变形[2]。但由于问题规模的扩大，纯数学方法在允许的时间和空间上都很难找到问题的最优解，于是人们开始转向寻找问题的近似最优解，遗传算法以其在求解最优化问题中的独特的自组织性、自适应性很快进入人们的视野。 经典的遗传算法对于求解多目标的NP完全性问题非常有效，但对于有多个限制条件的多目标最优化问题缺显得有点力不从心，很难得到稳定度较高、收敛较快的解。本文提出的双层遗传算法模型给这一类问题提供了一个很好的解决方法，虽然建模条件限制了描述的问题的通用性，有待推广，但它能有效利用问题的领域知识，提高了求解效率，保证了解的可行性和最优性，算法思想极具推广潜力，可在其它物流智能调度问题求解算法设计中借鉴。(The most optimal packet travel route problem is a kind of intelligent logistic scheduling problem is one of combinatorial calculation difficult problem many. Since the transportation problem was first proposed by Hitchcock in 1941 after the [2][4], the people of this class of problems given great attention and made a lot of research, the deformation of [2] optimization, simplex method algorithm is effective to solve the problem of. But due to the expansion of the scale of the problem, the pure mathematical methods in the allowed time and space are very difficult to find the optimal solution of the problem, so people begin to turn to the approximate optimal solution for the problem, genetic algorithm in solving optimization problems with its unique in the self-organizing, adaptive soon entered people s field of vision. Very effective classical genetic algorithm for solving multi-objective NP complete problems, but for the multi-objective optimization problem with multiple constraints. I)

Matlab2010经典超强教程(清晰版)，适合初学者的一本教材。 (atlab2010 super classic tutorial (clear), a textbook for beginners. )

SAVEPPT(filespec,title,prnopt) saves the current Matlab figure window or Simulink model window to a PowerPoint file designated by filespec.(SAVEPPT (filespec, title, prnopt) saves the current Matlab figure window or Simulink model window to a PowerPoint file designated by filespec.)

Theory and Applications of OFDM and CDMA Wideband Wireless Communications Henrik Schulze and Christian L¨uders Both of Fachhochschule S¨udwestfalen Meschede, Germany

matlab中对ofdm系统进行仿真和分析的全系统模型，暂时部门模型有待大家优化！(matlab ofdm systems in the simulation of the entire system model and analysis, all the temporary sector model to be optimized!)

说明：  双馈风力发电机是一个复杂的多变量非线性系统，利用Matlab软件中的S函数编程建立双馈风力发电机模型，并通过仿真验证了其正确性。(Wind Generator is a complex multi-variable nonlinear system, Matlab, S-function software programming model for the establishment of double-fed wind generator, and simulation results show its validity.)