- Fourier amplitude spectrum
- амплитудный спектр Фурье
English-Russian small dictionary of medicine. 2015.
English-Russian small dictionary of medicine. 2015.
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
Spectrum continuation analysis — (SCA) is a generalization of the concept of Fourier series to non periodic functions of which only a fragment has been sampled in the time domain.Recall that a Fourier series is only suitable to the analysis of periodic (or finite domain)… … Wikipedia
Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with … 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
Amplitude modulation — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Fourier transform infrared (FT-IR) spectrometry — A form of infrared spectrometry in which an interferogram is obtained; this interferogram is then subjected to a Fourier transform to obtain an amplitude wavelength (or wavelength) spectrum … Forensic science glossary
List of Fourier analysis topics — This is an alphabetical list of Fourier analysis topics. See also the list of Fourier related transforms, and the list of harmonic analysis topics. Almost periodic function ATS theorem Autocorrelation Autocovariance Banach algebra Bessel function … Wikipedia
Cross-spectrum — In time series analysis, the cross spectrum is used as part of a frequency domain analysis of the cross correlation or cross covariance between two time series. Contents 1 Definition 2 Squared coherency spectrum 3 See also … Wikipedia
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
Angular spectrum method — The angular spectrum method is a technique for modeling the propagation of a wave field. This technique involves expanding a complex wave field into a summation of infinite number of plane waves. Its mathematical origins lie in the field of… … Wikipedia