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说明：  有限单元法原理与应用（第一版）--b朱伯芳.pdf(Principle and Application of finite element method (first edition)- b CENTRAL SOUTH HIGHWAY. Pdf)

pv discriptioon is given

power systems basic programming in y bus foramtion

matlab的体育场混响空场测试推算满场时间程序(matlab empty stadium reverberation field testing market projections over time procedures)

一个用matlab写的特征挑选，大家试试吧！(Using matlab to write a feature of the selection, we give it a try!)

This code use Principle Component Analysis(PCA)for feature extraction

ofdm仿真模型,该文件可实现ofdm通信系统的Simulink仿真，对ofdm通信系统有个清晰的理解(ofdm simulation model)

分四种情况实现fft 分别是时间抽取递归 、时间抽取循环、频率抽取递归和频率抽取循环 以及附带dft的算法描述(Fft realize sub-four cases were collected recursive time, time taken from the cycle, frequency and frequency of samples taken from recursive cycle, as well as incidental DFT algorithm described)

一个自己用到的用matlab编写的fdtd源程序，感觉还可以。里面的参数没有设置，可以自己根据需要设置。(Used with its own written fdtd matlab source, feeling okay. Inside the parameter is not set up my own according to their needs.)

主成份分析的MATLAB源代码。一起学习。(principal component analysis of MATLAB source code. Learning together.)