# Fourier analysis

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## Fourier analysis

n.
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.

## Fourier analysis

(ˈfʊərɪˌeɪ)
n
(Mathematics) the analysis of a periodic function into its simple sinusoidal or harmonic components, whose sum forms a Fourier series
[C19: named after Baron Jean Baptiste Joseph Fourier (1768–1830), French mathematician, Egyptologist, and administrator]

## Fou′rier anal`ysis

n.
the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function.
[1925–30; after J.B.J. Fourier]
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 Fourier analysis - analysis of a periodic function into a sum of simple sinusoidal componentsharmonic analysisanalysis - a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation
Translations
Fourier-Analyse
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