noun Physics, Mathematics.
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Origin of Fourier analysis
First recorded in 1925–30; named after J.B.J. Fourier
Words nearby Fourier analysis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for Fourier analysis
/ (ˈfʊərɪˌeɪ) /
the analysis of a periodic function into its simple sinusoidal or harmonic components, whose sum forms a Fourier series
Word Origin for Fourier analysis
C19: named after Baron Jean Baptiste Joseph Fourier (1768–1830), French mathematician, Egyptologist, and administrator
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for Fourier analysis
The branch of mathematics concerned with the approximation of periodic functions by the Fourier series and with generalizations of such approximations to a wider class of functions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.