spectral line source

См. также в других словарях:

• spectral line — n one of a series of linear images of the narrow slit of a spectrograph or similar instrument corresponding to a component of the spectrum of the radiation emitted by a particular source …   Medical dictionary

• Spectral line — Continuous spectrum Emission line …   Wikipedia

• spectral line series — ▪ physics       any of the related sequences of wavelengths characterizing the light and other electromagnetic radiation emitted by energized atoms. The simplest of these series are produced by hydrogen. When resolved by a spectroscope, the… …   Universalium

• spectral line — noun : one of a series of linear images of the narrow slit of a spectrograph or similar instrument corresponding to a component of the spectrum of the radiation emitted by a particular source * * * Optics. a line in a spectrum due to the… …   Useful english dictionary

• spectral line — noun Date: 1849 one of a series of linear images formed by a spectrograph or similar instrument and corresponding to a narrow portion of the spectrum of the radiation emitted or absorbed by a particular source …   New Collegiate Dictionary

• Spectral efficiency — Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is… …   Wikipedia

• Line spectral pairs — (LSP) or Line Spectral Frequencies (LSF) are used to represent Linear Prediction Coefficients (LPC) for transmission over a channel. LSPs have several properties (e.g. smaller sensitivity to quantisation noise) that make them superior to direct… …   Wikipedia

• Line array — Sommaire 1 Définition 2 Principes acoustiques 3 Avantage de ce type de systèmes 4 Inconvénients du système …   Wikipédia en Français

• Spectral color — right|thumb The CIE xy chromaticity diagram. The spectral colors are the horseshoe shape curve on the outside. All other colors are not spectral: the bottom straight line is the line of purples , while the interior are unsaturated colors: a… …   Wikipedia

• Spectral slope — In astrophysics and planetary science, spectral slope is a measure of dependence of the reflectance on the wavelength.In digital signal processing, it is a measure of how quickly the spectrum of an audio sound tails off towards the high… …   Wikipedia

• Atomic line filter — A potassium Faraday filter designed, built and photographed by Jonas Hedin for making daytime LIDAR measurements at Arecibo Observatory.[1] An atomic line filter (ALF) is an advanced optical band pass filter used in the physical sciences for… …   Wikipedia