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Fourier analysis |
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Fourier analysis The mathematical breakdown of waveforms into simple sine wave constituents. Any complex waveform consists of sine waves of different frequencies: the slowest (fundamental) frequency and harmonics thereof (these are frequencies which are odd multiples of the fundamental frequency). It is used in analysis and reconstruction of waveforms as, for example, analysing the spatial frequency components of a visual image. Syn. Fourier transform. See contrast sensitivity. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Automated Fourier Analysis (FFT) routines offer a level of diagnosis that removes a good deal of the guesswork as to the origin of machine related variations," he said. Stokes, A numerical Fourier analysis method for the correction of width and shapes of the lines on x-ray powder photography, Proc. Key Words: Back, Electromyography, Fourier analysis, Isometric contraction, Muscle fatigue. |
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