NIST

fast fourier transform

(algorithm)

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.

Author: PS

Implementation

Worst-case behavior annotated for real time (WOOP/ADA).
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Entry modified 14 May 2007.
HTML page formatted Fri Feb 23 10:06:07 2018.

Cite this as:
Paul Steffas, "fast fourier transform", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 14 May 2007. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/fastFourierTransform.html