- background brightness
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яркость фона
Англо-русский словарь технических терминов. 2005.
background brightness
Смотреть что такое "background brightness" в других словарях:
Background (astronomy) — In astronomy, background commonly refers to the incoming light from an apparently empty part of the night sky. Even if no visible astronomical objects are present in given part of the sky, there always is some low luminosity present, due mostly… … Wikipedia
Cosmic infrared background — (CIB) is a mysterious infrared light coming from outer space. It is slowly being resolved into specific sources by infrared telescopes. In some ways it is analogous to the cosmic microwave background, but at shorter wavelengths. Contents 1… … Wikipedia
Surface brightness — is a concept used in astronomy when describing extended astronomical objects such as galaxies and nebulae.General descriptionThe apparent magnitude of an astronomical object is generally given as an integrated value mdash;if a galaxy is quoted as … Wikipedia
Surface brightness fluctuation — (SBF) is a secondary distance indicator used to estimate distances to galaxies. The technique uses the fact that galaxies are made up of a finite number of stars. The number of stars in any small patch of the galaxy will vary from point to point … Wikipedia
Cosmic Background Explorer — (COBE) General information NSSDC ID 1989 089A Organization NASA … Wikipedia
Diffuse Infrared Background Experiment — DIRBE instrument lightpath Diffuse Infrared Background Experiment (DIRBE)[1] was an experiment on NASA s COBE mission,[1] to survey the diffuse infrared s … Wikipedia
Pacific Tree Frog — Conservation status Least Concern ( … Wikipedia
яркость темнового фона ЭОП — Яркость на выходе электронно оптического преобразователя при отсутствии облучения входа. Обозначение B0 [ГОСТ 19803 86] Тематики преобразователи электронно оптические EN background brightness DE Grundhelligkeit FR brilliance de fond d’obscurité … Справочник технического переводчика
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… … Universalium
