| 单词 | fourier analysis |
| 释义 | Fourier analysisnoun Physics, Mathematics.the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function.Compare Fourier series. harmonic analysis. Origin of Fourier analysisFirst recorded in 1925–30; named after J.B.J. Fourier Words nearby Fourier analysisFour Horsemen, Four Horsemen of the Apocalypse, Four Hundred, four-hundred-day clock, Fourier, Fourier analysis, Fourierism, Fourier series, Fourier's theorem, Fourier transform, four-in-hand Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Fourier analysisFourier analysis / (ˈfʊərɪˌeɪ) / nounthe analysis of a periodic function into its simple sinusoidal or harmonic components, whose sum forms a Fourier series Word Origin for Fourier analysisC19: 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 analysisFourier 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. |
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