Fourier analysis

Also see bottom: Basic explanation. Fourier analysis, named after Joseph Fourier's introduction of the Fourier series, is the decomposition of a function in terms of a sum of sinusoidal basis functions (vs. their frequencies) that can be recombined to obtain the original function. That process of recombining the sinusoidal basis functions is also called Fourier synthesis (in which case, Fourier analysis refers specifically to the decomposition process).
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Noun
1. analysis of a periodic function into a sum of simple sinusoidal components
(synonym) harmonic analysis
(hypernym) analysis

The definition of a periodic waveform of arbitrary shape as a summation of sine waves having specific amplitudes and phases, and having frequencies corresponding to the harmonics of the waveform being defined. Note: A Fourier analysis is particularly well suited for communications equipment design and for predicting the performance of a given design. [From Weik '89]

Fourier analysis
(Econ) Phân tíc Fourier+ Một phương pháp có thể chuyển số liệu CHUỖI THỜI GIAN thành khoảng tần số.
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B: (Matematika) analisis Fourier
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B: (Fisika) analisis Fourier
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