discrete spectrum
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Discrete spectrum — For a mathematically rigorous point of view of discrete spectrum , see decomposition of spectrum (functional analysis). In physics, an elementary (and accurate) explanation of a discrete spectrum is that it is an emission spectrum or absorption… … Wikipedia
discrete spectrum — diskretusis spektras statusas T sritis Standartizacija ir metrologija apibrėžtis Spektras, susidedantis iš linijų ir juostų. atitikmenys: angl. discontinuous spectrum; discrete spectrum vok. diskretes Spektrum, n rus. дискретный спектр, m;… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
discrete spectrum — diskretinis spektras statusas T sritis chemija apibrėžtis Spektras, susidedantis iš linijų ir juostų. atitikmenys: angl. discontinuous spectrum; discrete spectrum rus. дискретный спектр … Chemijos terminų aiškinamasis žodynas
discrete spectrum — diskretusis spektras statusas T sritis fizika atitikmenys: angl. discrete spectrum vok. diskretes Spektrum, n rus. дискретный спектр, m pranc. spectre discontinu, m; spectre discret, m … Fizikos terminų žodynas
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
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
Discrete Laplace operator — For the discrete equivalent of the Laplace transform, see Z transform. In mathematics, the discrete Laplace operator is an analog of the continuous Laplace operator, defined so that it has meaning on a graph or a discrete grid. For the case of a… … Wikipedia
Discrete-time Fourier transform — In mathematics, the discrete time Fourier transform (DTFT) is one of the specific forms of Fourier analysis. As such, it transforms one function into another, which is called the frequency domain representation, or simply the DTFT , of the… … Wikipedia
Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with … Wikipedia
Spectrum of a C*-algebra — The spectrum of a C* algebra or dual of a C* algebra A, denoted Â, is the set of unitary equivalence classes of irreducible * representations of A. A * representation π of A on a Hilbert space H is irreducible if, and only if, there is no closed… … Wikipedia
Discrete Fourier transform (general) — See also: Fourier transform on finite groups This article is about the discrete Fourier transform (DFT) over any field (including finite fields), commonly called a number theoretic transform (NTT) in the case of finite fields. For specific… … Wikipedia
