5-3-4

OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data streams or channels.

Chaos and the dynamical evolution of barred galaxies

this file contains the user manual for Algebraic Reconstruction Technique (ART) matlab toolbox

书名《大学数学实验 MATLAB应用篇学习》matlab的基础书籍，从数学角度学习maltab，一是matlab的入门，二可以培养学习matlab的兴趣。(The title of )

电路的混沌描述与混沌计算，分岔与混沌的演化图(Chaos Chaos circuit description and calculation of Bifurcation and Chaos evolution diagram)

说明：  color histogram, cloud histogram. got from file exchange,m not d author

code for gauss jordan

MATLAB ZF MMSE db.mminnorm.mmatlab，File->Set Path->Add Folder。 db(MATLAB ZF MMSE db.mminnorm.mmatlab, File-)

这是一个基于量子行为的粒子群算法（QPSO）用于特征选择的matlab程序，用户可以选择目标函数优化方向、种群大小，也可以在内部修改QPSO的参数beta(this is a feature selection program based on quantum_behaved particle swarm optimization of matlab ,the user can chose the object function optimization direction,the scale of the swarm ,also you can revise the parameter beta in the programe )

非线性动力学控制问题 利用MATLAB中的simulink对非线性动力学进行研究(Control of nonlinear dynamics using MATLAB simulink in the study of nonlinear dynamics)