dish antenna

dish antenna
Antenna An*ten"na, n.; pl. {Antenn[ae]}. [L. antenna sail-yard; NL., a feeler, horn of an insect.] 1. (Zo["o]l.) A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids. [1913 Webster]

2. (Electronics) A metallic device, variously shaped, designed for the purpose of either transmitting or receiving radio waves, as for radio or television broadcasting, or for transmitting communication signals. Some types are: {whip antenna}, {antenna tower}, {horn antenna}, {dish antenna}, {directional antenna} and {rabbit ears}. See {transmitter}, {receiver}. [PJC]


The Collaborative International Dictionary of English. 2000.

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  • dish antenna — Dish Dish (d[i^]sh), n. [AS. disc, L. discus dish, disc, quoit, fr. Gr. di skos quoit, fr. dikei^n to throw. Cf. {Dais}, {Desk}, {Disc}, {Discus}.] 1. A vessel, as a platter, a plate, a bowl, used for serving up food at the table. [1913 Webster]… …   The Collaborative International Dictionary of English

  • dish antenna — n. an antenna consisting of a dish shaped, usually concave parabolic, reflector, used to transmit or receive radio and TV signals, as from orbiting satellites * * * …   Universalium

  • dish antenna — n. an antenna consisting of a dish shaped, usually concave parabolic, reflector, used to transmit or receive radio and TV signals, as from orbiting satellites …   English World dictionary

  • dish antenna — noun directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation • Syn: ↑dish, ↑dish aerial, ↑saucer • Hypernyms: ↑directional antenna • Hyponyms: ↑scanner …   Useful english dictionary

  • dish antenna — /dɪʃ ænˈtɛnə/ (say dish an tenuh) noun an antenna, commonly used in microwave systems, having a dish shaped reflector …  

  • Offset dish antenna — Main types of parabolic antennas An offset dish antenna is a type of parabolic antenna. It is so called because the antenna feed is offset to the side of the reflector, in contrast to a typical axial fed parabolic antenna where the feed is in… …   Wikipedia

  • Dish — (d[i^]sh), n. [AS. disc, L. discus dish, disc, quoit, fr. Gr. di skos quoit, fr. dikei^n to throw. Cf. {Dais}, {Desk}, {Disc}, {Discus}.] 1. A vessel, as a platter, a plate, a bowl, used for serving up food at the table. [1913 Webster] She… …   The Collaborative International Dictionary of English

  • Dish — or DISH may refer to: Dish, Texas Dish (food), something prepared to be eaten Dishware, plates and bowls for eating Diffuse idiopathic skeletal hyperostosis, a form of arthritis Entertainment Dish antenna a type of antenna Satellite dish, an… …   Wikipedia

  • Antenna gain — is defined as the ratio of the radiation intensity of an antenna in a given direction, to the intensity of the same antenna as it radiates in all directions (isotropically). Since the radiation intensity of an isotropically radiated power is… …   Wikipedia

  • Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… …   Wikipedia

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