spectral power density


spectral power density
спектральная плотность мощности

English-Russian dictionary of telecommunications. 2015.

Смотреть что такое "spectral power density" в других словарях:

  • noise spectral power density — spektrinis triukšmo galios tankis statusas T sritis radioelektronika atitikmenys: angl. noise spectral power density vok. Spektralleistungsdichte des Rauschens, f rus. спектральная плотность мощности шума, f pranc. densité spectrale de puissance… …   Radioelektronikos terminų žodynas

  • Spectral 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… …   Wikipedia

  • Spectral 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,… …   Wikipedia

  • Spectral density — In statistical signal processing and physics, the spectral density, power spectral density (PSD), or energy spectral density (ESD), is a positive real function of a frequency variable associated with a stationary stochastic process, or a… …   Wikipedia

  • Spectral density estimation — In statistical signal processing, the goal of spectral density estimation is to estimate the spectral density (also known as the power spectrum) of a random signal from a sequence of time samples of the signal. Intuitively speaking, the spectral… …   Wikipedia

  • spectral density of power fluctuations — spektrinis fliuktuacijų galios tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Elektrinių fliuktuacijų galia vienetiniame dažnių arba energijos tarpe. Matavimo vienetas: W/Hz. atitikmenys: angl. spectral density of power… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • spectral density of power fluctuations — spektrinis fliuktuacijų galios tankis statusas T sritis fizika atitikmenys: angl. spectral density of power fluctuations vok. Spektraldichte der Leistungsschwankungen, f rus. спектральная плотность флуктуаций мощности, f pranc. densité spectrale… …   Fizikos terminų žodynas

  • Least-squares spectral analysis — (LSSA) is a method of estimating a frequency spectrum, based on a least squares fit of sinusoids to data samples, similar to Fourier analysis. [cite book | title = Variable Stars As Essential Astrophysical Tools | author = Cafer Ibanoglu |… …   Wikipedia

  • Noise spectral density — In communications, noise spectral density No is the noise power per unit of bandwidth; that is, it is the power spectral density of the noise. It has dimension of power/frequency (see dimensional analysis), whose SI coherent unit is watts per… …   Wikipedia

  • Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… …   Wikipedia

  • radiation power spectral density — spektrinis spinduliuotės galios tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Pasirinktosios spektro dalies vienetinio dažnio, bangos ilgio (ar kito su jais susijusio dydžio) intervalo vidutinė spinduliuotės galios vertė.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

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