Fourier analysis

Fourier analysis
1. the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Cf. Fourier series.
[1925-30; named after J.B.J. FOURIER]

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Universalium. 2010.

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  • Fourier Analysis — A type of mathematical analysis that attempts to identify patterns or cycles in a time series data set which has already been normalized. By first removing any effects of trends or other complicating factors from the data set, the effects of… …   Investment dictionary

  • Fourier analysis — noun Etymology: Baron J.B.J. Fourier died 1830 French geometrician & physicist Date: circa 1928 the process of using the terms of a Fourier series to find a function that approximates periodic data …   New Collegiate Dictionary

  • Fourier analysis — n. Math. the resolution of periodic data into harmonic functions using a Fourier series. Etymology: J. B. J. Fourier, Fr. mathematician d. 1830 …   Useful english dictionary

  • Fourier analysis — Loosely, the use of Fourier transformations to convert a time based signal to a frequency spectrum and back, allowing any periodic property of the signal to be identified …   Dictionary of molecular biology

  • Fourier analysis — Fou′rier anal ysis n. math. the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function • Etymology: 1925–30; after J.B.J. Fourier …   From formal English to slang

  • Fourier analysis — /fʊriər əˈnæləsəs/ (say fooreeuhr uh naluhsuhs) noun the decomposition of any periodic function such as a complex sound or electromagnetic waveform into the sum of a number of sine and cosine functions. {from JBJ Fourier} …  

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