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fft_cLanguage.zip
c的快速傅立叶变换程序包,the file FFT.ZIP contains C source code for performing Discrete Fast Fourier
Transforms (DFFTs) and inverse DFFTs.
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STBBFolder.zip
... proposed in
Koay CG, Sarlls JE, Ö zarslan E.
* Three Dimensional Analytical Magnetic Resonance Imaging Phantom in the Fourier Domain. Magn Reson Med. 58: 430-436 (2007)
The article above can be obtained from:
http://dir2.nichd.nih.gov/nichd ...
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imageprocess.rar
程式功能:匯入圖片,LowPass,HighPass,Sharpen,LookUp,Scale Up(Bicubic),Scale Down,Rescale,Histogram,Fourier transform,Gray Level,並可存檔(bmp,jpg,jpeg,png,wbmp)。
圖片:bmp,jpg,jpeg,png,wbmp…等皆可
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Automatic_Fingerprint_Authentication_System.zip
... Fingerprint Authentication System (AFAS) is proposed. A fingerprint image is preprocessed to enhance the image by Short Time Fourier Transform (STFT) analysis. Then, three sets of invariant moment features, as a kind of texture features, are extracted ...
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fdtd22.rar
1D FDTD simulation between free space and dielectric medium with absorbing boundary conditions,calculating the fourier transform of electric field
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fft.zip
fft.c - fast Fourier transform and its inverse (both recursively)
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xinhao.rar
离散Fourier变换(简称DFT)为离散信号的分析从理论上提供了变换工具,但由于计算时间较长而难以实现,快速Fourier变换(简称FFT)则是一种减少计算时间的有效算法。本文在对DFT计算量进行分析的基础上指出了FFT的实现途径与计算方法,针对FFT算法进行了程序设计并给出了应用实例。
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s.rar
用vc开发快速Fourier变换原理及其应用实例源代码
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MPEG4-audioEnc.rar
... c - 结构化音频量化
backpred.h backpred.c - 后向预测
channels.h channels.c - 音频信道
faac.h faac.c - 结构化音频压缩
fft.h fft.c - 快速Fourier变换
filtbank.h filtbank.c - 滤波器
frame.h frame.c - 音频帧定义
huffman.h huffman.c - Huffman编码
hufftab.h - Huffman编码码表
joint.h joint.c - ...
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