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Fourier analysis
(redirected from Fourier analyses)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.04 sec.
Fourier analysis
The mathematical breakdown of waveforms into simple sine wave constituents. Any complex waveform consists of sine waves of different frequencies: the slowest (fundamental) frequency and harmonics thereof (these are frequencies which are odd multiples of the fundamental frequency). It is used in analysis and reconstruction of waveforms as, for example, analysing the spatial frequency components of a visual image. Syn. Fourier transform. See contrast sensitivity.


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