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A fast Fourier transform (FFT) is an algorithm to compute the discrete Fourier transform (DFT) and its inverse. Fourier analysis converts time (or space) to frequency and vice versa an FFT rapidly computes such transformations by factorizing the DFT matrix into a product of sparse (mostly zero) factors.

基于matlab的DTMF数字拨号音合成，通过的简单的时域连接，用于进一步分析合成效果。DTMF2是分析部分，用于显示时域波形，频谱图和语谱图。(Based on the synthesis matlab DTMF digit dialing tone, and connected by a simple time domain, for further analysis synthesis results. DTMF2 the analysis section, time-domain waveform, spectrum and spectrogram displays the)

说明：  该仿真模型是基于matlab的三电平空间矢量整流器，模型由本人自己搭建。运行结果良好。(The simulation model is a three-level space vector rectifier based on matlab.The result is good.)

9*18交织器的实现。对初学者很有用的，欢迎下载(9* 18 interleaver implementation. Very useful for beginners, are welcome to download)

这是用蒙特卡罗方法计算music算法的误差分析，欢迎各位下载！(This is calculated using the Monte Carlo method of error analysis algorithm music, to welcome you all to download!)

SPIHT Compression Program

matlab 电磁散射特性计算。目标几何建模。电磁特性参数设置。电磁回波计算。(electromagnetics computing.matlab code. three dimensions target building. electromagnetics parameters setting. electromagnetics echo computing)

To Calculate QOS and how it affects Security

基于MATLAB的GPS专业知识的实现（内含5个以上的源代码）(MATLAB-based implementation of GPS expertise (containing more than 5 of the source code))

Matlab C++数学库对元组阵列的操作(======================================================================== CONSOLE APPLICATION : cellArrayCreate ======================================================================== AppWizard has created this cellArrayCreate application for you. This file contains a summary of what you will find in each of the files that make up your cellArrayCreate application. cellArrayCreate.dsp This file (the project file) contains information at the project level and is used to build a single project or subproject. Other users can share the project (.dsp) file, but they should export the makefiles locally. cellArrayCreate.cpp This is the main application source file. ///////////////////////////////////////////////////////////////////////////// Other standard files: StdAfx.h, StdAfx.cpp These files are used to build a precompiled header (PCH) file named cellArrayCreate.pch and a precompiled types file named StdAfx.obj. ////////)