sense antenna

См. также в других словарях:

• antenna — (n.) 1640s, feeler or horn of an insect, from L. antenna sail yard, the long yard that sticks up on some sails, of unknown origin, perhaps from PIE root *temp to stretch, extend. In the etymological sense, it is a loan translation of Aristotle s… …   Etymology dictionary

• antenna — [an ten′ə] n. [L, earlier antemna, sail yard ] 1. pl. antennae [an ten′ē] or antennas either of a pair of movable, jointed sense organs on the head of most arthropods, as insects, crabs, or lobsters; feeler: see INSECT 2. antennas Radio TV an… …   English World dictionary

• Antenna (radio) — Whip antenna on car …   Wikipedia

• Antenna (biology) — Antennae (singular antenna) are paired appendages connected to the front most segments of arthropods. In crustaceans, they are biramous and present on the first two segments of the head, with the smaller pair known as antennules. All other… …   Wikipedia

• sense aerial — A type of nondirectional radio antenna used with an automatic direction finder, which picks up signals with equal strength from all directions. The sense aerial helps remove the 180° ambiguity, which is a feature of highly directional loop… …   Aviation dictionary

• antenna — n. (pl. antennae) 1 Zool. one of a pair of mobile appendages on the heads of insects, crustaceans, etc., sensitive to touch and taste; a feeler. 2 (pl. antennas) = AERIAL n. Derivatives: antennal adj. (in sense 1). antennary adj. (in sense 1).… …   Useful english dictionary

• antenna — I (New American Roget s College Thesaurus) n. aerial, rabbit ears, mast, tower. See communication. II (Roget s IV) n. Syn. aerial, wire, receiving wire, radiating wire, rabbit ears*. III (Roget s 3 Superthesaurus) n. 1. insect appendage feeler,… …   English dictionary for students

• antenna — an•ten•na [[t]ænˈtɛn ə[/t]] n. pl. ten•nas, ten•nae [[t] ˈtɛn i[/t]] 1) elm a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires often attached to metal rods; aerial 2) one of the… …   From formal English to slang

• Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very …   Wikipedia

• Smart antenna — Smart antennas (also known as adaptive array antennas, multiple antennas and recently MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signature such as the direction of arrival (DOA) of the signal …   Wikipedia

• Helical antenna — Helical antennas can operate in one of two principal modes: normal (broadside) mode or axial (or endfire) mode.In the normal mode , the dimensions of the helix are small compared with the wavelength. The far field radiation pattern is similar to… …   Wikipedia