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exponential horn

См. также в других словарях:

  • exponential horn — noun : a loudspeaker horn whose sectional area varies exponentially along its length * * * a loudspeaker horn with a cross sectional area varying as a constant raised to an exponent proportional to the distance from the vertex. [1925 30] * * *… …   Useful english dictionary

  • exponential horn — a loudspeaker horn with a cross sectional area varying as a constant raised to an exponent proportional to the distance from the vertex. [1925 30] * * * …   Universalium

  • exponential horn — /ˌɛkspənɛnʃəl ˈhɔn/ (say .ekspuhnenshuhl hawn) noun a loudspeaker horn whose cross sectional area increases exponentially with the distance from the throat …  

  • Horn (acoustic) — A horn is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximising the efficiency with which sound waves from the particular source are transferred to the air.… …   Wikipedia

  • Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… …   Wikipedia

  • Horn speaker — A horn speaker is a loudspeaker which uses a horn to increase the overall efficiency of the driving element, typically a diaphragm driven by an electromagnet. The horn itself is a passive component and does not amplify the sound from the driving… …   Wikipedia

  • Horn-satisfiability — In formal logic, Horn satisfiability, or HORNSAT, is the problem of deciding whether a given set of propositional Horn clauses is satisfiable.A Horn clause is a clause with at most one positive literal, called the head of the clause, and any… …   Wikipedia

  • Vehicle horn — Klaxon redirects here. For the English dance punk band, see Klaxons. A single reed bulb horn. A vehicle horn is a sound making device used to warn others of the approach of the vehicle or of its presence. Automobiles, trucks, ships, and trains… …   Wikipedia

  • Matrix exponential — In mathematics, the matrix exponential is a matrix function on square matrices analogous to the ordinary exponential function. Abstractly, the matrix exponential gives the connection between a matrix Lie algebra and the corresponding Lie group.… …   Wikipedia

  • Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …   Wikipedia

  • Paul Wilbur Klipsch — Infobox Person name = Paul Wilbur Klipsch residence = Hope, Arkansas Houston, Texas Tocopilla, Chile El Paso, Texas Elkhart, Indiana other names = PWK imagesize = 195px caption = birth date = March 9, 1904 birth place = Elkhart, Indiana birth… …   Wikipedia

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