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fast Fourier transform

A Dictionary of Earth Sciences | 1999 | | © A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

fast Fourier transform (FFT) An algorithm (e.g. the Cooley—Tukey method) which enables the Fourier transformation of digitized wave-forms to be accomplished more rapidly by computer than would be possible using direct evaluation of the Fourier integral. FFT usually involves iterative techniques. See also FOURIER ANALYSIS; and FOURIER TRANSFORM.

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AILSA ALLABY and MICHAEL ALLABY. "fast Fourier transform." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 16 Nov. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "fast Fourier transform." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (November 16, 2009). http://www.encyclopedia.com/doc/1O13-fastFouriertransform.html

AILSA ALLABY and MICHAEL ALLABY. "fast Fourier transform." A Dictionary of Earth Sciences. 1999. Retrieved November 16, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-fastFouriertransform.html

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