spectral density
31spectral radiant energy density — spektrinis spinduliuotės energijos tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Spinduliuotės energijos tankis be galo mažame bangų ilgių intervale, padalytas iš to intervalo. atitikmenys: angl. spectral concentration of… …
32spectral concentration of radiant energy density — spektrinis spinduliuotės energijos tankis statusas T sritis fizika atitikmenys: angl. spectral concentration of radiant energy density; spectral density of radiant energy; spectral radiant energy density vok. spektrale Strahlungsdichte, f;… …
33spectral radiant energy density — spektrinis spinduliuotės energijos tankis statusas T sritis fizika atitikmenys: angl. spectral concentration of radiant energy density; spectral density of radiant energy; spectral radiant energy density vok. spektrale Strahlungsdichte, f;… …
34Density of states — Condensed matter physics Phases · Phase tr …
35Spectral bands — are part of optical spectra of polyatomic systems, including condensed materials, large molecules etc. Each line corresponding to one level in atom splits in molecules. When the number of atoms is large, one gets continuum of energy levels, so… …
36Density matrix — Mixed state redirects here. For the psychiatric condition, see Mixed state (psychiatry). In quantum mechanics, a density matrix is a self adjoint (or Hermitian) positive semidefinite matrix (possibly infinite dimensional) of trace one, that… …
37Spectral line — Continuous spectrum Emission line …
38Spectral flux density — In spectroscopy, spectral flux density is the quantity that describes the rate at which energy transferred by electromagnetic radiation is received from a source, per unit area facing the source, per unit wavelength range. In SI units it is… …
39Spectral flux — This article is about the Digital signal processing term. For the term used in astronomy, which refers to a different measure, see Spectral flux density. Spectral flux is a measure of how quickly the power spectrum of a signal is changing,… …
40spectral optical density — spektrinis optinis tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, lygus atvirkštinio optinio spektrinio praleidimo faktoriaus dešimtainiam logaritmui, t. y. D(λ) = lg (1/τ(λ)); čia – D(λ) – spektrinis optinis tankis,… …
