conical horn

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• 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 (instrument) — Corno redirects here. For the river, see Corno (river). French horn redirects here. For the luxury hotel and restaurant, see French Horn, Sonning Eye. Horn Horn Brass instrument Other names …   Wikipedia

• Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …   Wikipedia

• horn — ► NOUN 1) a hard bony outgrowth, often curved and pointed, found in pairs on the heads of cattle, sheep, and other animals. 2) the substance of which horns are composed. 3) a wind instrument, now usually of brass, conical in shape or wound into a …   English terms dictionary

• 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 — hornish, adj. hornless, adj. hornlessness, n. hornlike, adj. /hawrn/, n. 1. one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep,… …   Universalium

• Horn (anatomy) — A horn is a pointed projection of the skin on the head of various mammals, consisting of a covering of horn (keratin and other proteins) surrounding a core of living bone. True horns are found only among the ruminant… …   Wikipedia

• Horn — /hawrn/, n. Cape. See Cape Horn. * * * (as used in expressions) English horn French horn Horn of Africa Horn Cape * * * ▪ musical instrument group French  Cor,  German   …   Universalium

• horn — noun 1》 an outgrowth of bone encased in hardened skin, often curved and pointed, found in pairs on the heads of cattle, sheep, goats, etc.     ↘a hardened woolly outgrowth occurring singly or one behind another on the snout of a rhinoceros.… …   English new terms dictionary

• Horn (telecommunications) — In telecommunications, the term horn has the following meanings:* In radio transmission, an open ended waveguide, of increasing cross sectional area, which radiates directly in a desired direction or feeds a reflector that forms a desired beam.… …   Wikipedia

• horn —    One of a pair of pointy projections, either straight, curved or helical, which have grown from the head of an animal. The animals that have horns include cows, sheep, goats, antelope, and their relatives. The rhinoceros is an exception because …   Glossary of Art Terms