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directional aerial

См. также в других словарях:

  • directional aerial — noun One that can receive or transmit radio waves in one direction only • • • Main Entry: ↑direct …   Useful english dictionary

  • directional beam aerial — kryptinė antena statusas T sritis fizika atitikmenys: angl. directional antenna; directional beam aerial; directive antenna vok. Richtantenne, f; Richtstrahlantenne, f; Richtungsantenne, f rus. направленная антенна, f pranc. antenne… …   Fizikos terminų žodynas

  • directional — [[t]daɪre̱kʃən(ə)l, dɪr [/t]] 1) ADJ GRADED If something such as a radio aerial, microphone, or loudspeaker is directional, it works most effectively in one direction, rather than equally in all directions at once. [TECHNICAL] Dish aerials are… …   English dictionary

  • directional antenna — An antenna or aerial that radiates and receives signals mainly from one direction. For terrestrial radio communications, directionality in an azimuth or a horizontal plane is important. Directional antennae are either monodirectional,… …   Aviation dictionary

  • directional antenna — noun an antenna that transmits or receives signals only in a narrow angle • Hypernyms: ↑antenna, ↑aerial, ↑transmitting aerial • Hyponyms: ↑array, ↑dish, ↑dish aerial, ↑dish antenna, ↑ …   Useful english dictionary

  • directional antenna — kryptinė antena statusas T sritis fizika atitikmenys: angl. directional antenna; directional beam aerial; directive antenna vok. Richtantenne, f; Richtstrahlantenne, f; Richtungsantenne, f rus. направленная антенна, f pranc. antenne… …   Fizikos terminų žodynas

  • aerial — Synonyms and related words: Olympian, aerials, aeriform, aerodynamic, aerophysical, aerospace, aerostatic, aerotechnical, aery, air built, air conscious, air minded, air wise, airish, airlike, airsick, airworthy, airy, alfresco, altitudinous,… …   Moby Thesaurus

  • Yagi aerial — /ˈjagi ˌɛəriəl/ (say yahgee .airreeuhl) noun a directional aerial used in television and radio astronomy. {named after H Yagi, 1886–1976, Japanese electrical engineer} …  

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

  • Yagi aerial — noun a sharply directional antenna • Syn: ↑yagi • Hypernyms: ↑directional antenna …   Useful english dictionary

  • high-gain aerial — An aerial designed to receive and transmit signals along a single axis. It is a highly directional antenna. Also called a beam antenna …   Aviation dictionary

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