Definition: An algorithm to convert a set of uniformly spaced points from the time domain to the frequency domain.
Also known as FFT.
Note: Used to convert a complicated wave into its component sine waves.
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Entry modified 14 May 2007.
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Cite this as:
Paul Steffas, "fast fourier transform", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 14 May 2007. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/fastFourierTransform.html