luminous signal

См. также в других словарях:

• luminance signal — noun A signal controlling the luminance of a colour TV picture, ie its image brightness, as distinct from its chrominance • • • Main Entry: ↑luminous …   Useful english dictionary

• point light — A luminous signal appearing without perceptible length (ICAO) …   Aviation dictionary

• lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… …   Universalium

• Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

• Weak gravitational lensing — While the presence of any mass bends the path of light passing near it, this effect rarely produces the giant arcs and multiple images associated with strong gravitational lensing. Most lines of sight in the universe are thoroughly in the weak… …   Wikipedia

• printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …   Universalium

• bioluminescence — bioluminescent, adj. /buy oh looh meuh nes euhns/, n. the production of light by living organisms. [1915 20; BIO + LUMINESCENCE] * * * Emission of light by an organism or biochemical system (e.g., the glow of bacteria on decaying meat or fish,… …   Universalium

• ГОСТ 20526-82: Приборы электровакуумные фотоэлектронные. Термины и определения — Терминология ГОСТ 20526 82: Приборы электровакуумные фотоэлектронные. Термины и определения оригинал документа: 43. Амплитудно частотная характеристика фотоумножителя D. Amplitudenfrequenzcharakteristik des Photovervielfachers E.… …   Словарь-справочник терминов нормативно-технической документации

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

• light — Synonyms and related words: ASA scale, Anschauung, British candle, Hefner candle, Mickey Mouse, Paphian, Scheiner scale, Very flare, abuse, accented, account, acquaintance, active, aerial, aeriform, aery, agile, airish, airlike, airy, alabaster,… …   Moby Thesaurus

• Schumann resonances — The Schumann resonances (SR) are a set of spectrum peaks in the extremely low frequency (ELF) portion of the Earth s electromagnetic field spectrum. Schumann resonances are global electromagnetic resonances, excited by lightning discharges in the …   Wikipedia