| 单词 | fourier transform |
| 释义 | Fourier transformnoun Mathematics.a mapping of a function, as a signal, that is defined in one domain, as space or time, into another domain, as wavelength or frequency, where the function is represented in terms of sines and cosines. Origin of Fourier transformFirst recorded in 1920–25; see origin at Fourier analysis Words nearby Fourier transformFourier, Fourier analysis, Fourierism, Fourier series, Fourier's theorem, Fourier transform, four-in-hand, four-lane, four-leaf clover, four-legged, four-letter word Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Fourier transformFourier transform nounan integral transform, used in many branches of science, of the form F(x) = [1/√(2π)]ʃe i xy f(y)d y, where the limits of integration are from –∞ to +∞ and the function F is the transform of the function f 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 |
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