reflector antenna array

reflector antenna array
Техника: отражательная антенная решётка

Универсальный англо-русский словарь. . 2011.

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  • 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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  • Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …   Wikipedia

  • Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

  • Directional antenna — Log periodic dipole array A directional antenna or beam antenna is an antenna which radiates greater power in one or more directions allowing for increased performance on transmit and receive and reduced interference from unwanted sources.… …   Wikipedia

  • High-gain antenna — The high gain antenna (HGA) is an antenna with a focused, narrow radiowave beam width. This narrow beam width allows more precise targeting of the radio signal also known as a directional antenna. Most commonly referred to during space missions,… …   Wikipedia

  • Very Small Array — Infobox Telescope bgcolour = name = Very Small Array caption = organization = Cavendish Astrophysics Group, University of Cambridge Jodrell Bank Observatory, University of Manchester Instituto de Astrofisica de Canariascite web |… …   Wikipedia

  • yagi (antenna) — or yagi [yä′gē, yag′ē] n. 〚after H. Yagi (1886 1976), Jpn electrical engineer〛 a VHF or UHF directional antenna array in which a basic dipole antenna is supplemented by several parallel reflector and director elements: used when television… …   Universalium

  • yagi (antenna) — or yagi [yä′gē, yag′ē] n. [after H. Yagi (1886 1976), Jpn electrical engineer] a VHF or UHF directional antenna array in which a basic dipole antenna is supplemented by several parallel reflector and director elements: used when television… …   English World dictionary

  • yagi (antenna) — or yagi [yä′gē, yag′ē] n. [after H. Yagi (1886 1976), Jpn electrical engineer] a VHF or UHF directional antenna array in which a basic dipole antenna is supplemented by several parallel reflector and director elements: used when television… …   English World dictionary

  • Yagi antenna — A Yagi Uda Antenna, commonly known simply as a Yagi antenna or Yagi, is a directional antenna system [ [http://what is what.com/what is/Yagi Uda antenna.html What is a Yagi Uda antenna? An explanation of the familiar Yagi Uda antenna from a non… …   Wikipedia


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