Fourier-transform meaning

An operation that maps a function to its corresponding Fourier series or to an analogous continuous frequency distribution.
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See FFT.
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(analysis) A transform, applied to a function, used to determine the function's frequency composition (temporal, spatial or otherwise); it has many scientific and industrial applications, especially in signal processing.
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Origin of fourier-transform

  • After Baron Jean Baptiste Joseph Fourier

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named after Jean Baptiste Joseph Fourier, its inventor

    From Wiktionary