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).
Go to the Dictionary of Algorithms and Data Structures home page.

If you have suggestions, corrections, or comments, please get in touch with Paul E. Black.

Entry modified 14 May 2007.
HTML page formatted Tue Dec 6 16:16:32 2011.

Cite this as:
Paul Steffas, "fast fourier transform", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 14 May 2007. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/fastFourierTransform.html

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