- Fourier magnitude
- амплитуда частотной компоненты
Англо-русский толковый словарь по геоинформатике. В.Ю. Андрианов. 2015.
Fourier magnitude
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Fourier optics — is the study of classical optics using techniques involving Fourier transforms and can be seen as an extension of the Huygens Fresnel principle. The underlying theorem that light waves can be described as made up of sinusoidal waves, in a manner… … Wikipedia
Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms The Fourier transform is a mathematical operation that decomposes a function into its constituent… … Wikipedia
Fourier analysis — In mathematics, Fourier analysis is a subject area which grew out of the study of Fourier series. The subject began with trying to understand when it was possible to represent general functions by sums of simpler trigonometric functions. The… … Wikipedia
Fourier operator — The Fourier operator is the kernel of the Fredholm integral of the first kind that defines the continuous Fourier transform.It may be thought of as a limiting case for when the size of the discrete Fourier transform increases without bound while… … Wikipedia
Fourier transform — noun Date: 1923 any of various functions (as F(u)) that under suitable conditions can be obtained from given functions (as f(x)) by multiplying by eiux and integrating over all values of x and that in scientific instrumentation describe the… … New Collegiate Dictionary
Discrete Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms In mathematics, the discrete Fourier transform (DFT) is a specific kind of discrete transform, used in… … Wikipedia
Short-time Fourier transform — The short time Fourier transform (STFT), or alternatively short term Fourier transform, is a Fourier related transform used to determine the sinusoidal frequency and phase content of local sections of a signal as it changes over time. STFT… … Wikipedia
Convergence of Fourier series — In mathematics, the question of whether the Fourier series of a periodic function converges to the given function is researched by a field known as classical harmonic analysis, a branch of pure mathematics. Convergence is not necessarily a given… … Wikipedia
Fast Fourier Transform — Transformée de Fourier rapide La transformée de Fourier rapide (sigle anglais : FFT ou Fast Fourier Transform) est un algorithme de calcul de la transformée de Fourier discrète (TFD). Sa complexité varie en avec le nombre de points n, alors… … Wikipédia en Français
Transformee de Fourier rapide — Transformée de Fourier rapide La transformée de Fourier rapide (sigle anglais : FFT ou Fast Fourier Transform) est un algorithme de calcul de la transformée de Fourier discrète (TFD). Sa complexité varie en avec le nombre de points n, alors… … Wikipédia en Français
Transformée de Fourier rapide — La transformée de Fourier rapide (sigle anglais : FFT ou Fast Fourier Transform) est un algorithme de calcul de la transformée de Fourier discrète (TFD). Sa complexité varie en avec le nombre de points n, alors que la complexité du calcul de … Wikipédia en Français
