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1 back-to-back antennas
English-Ukrainian dictionary of aviation terms > back-to-back antennas
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2 antenna
(мн. antennae) n•- airborne antenna - aircraft-type antenna - all-around looking antenna - all-band antenna - anti-interference antenna - approach antenna - approach azimuth antenna - approach elevation antenna - back azimuth antenna - back-to-back antennas - broadbeam antenna - broad sector antenna - cavity antenna - clearance antenna - closed antenna - coil antenna - collapsible antenna - communications antenna - crossed-loop antenna - deep-space antenna - dipole antenna - directional antenna - DF antenna - direction finder antenna - dummy antenna - elevation antenna - end-fire antenna - fixed sector antenna - flush-mounted antenna - folding antenna - frame antenna - gain antenna - glide-path antenna - glide-slope antenna - guyed antenna - highly directional antenna - homing antenna - horn antenna - localizer antenna - LOC antenna - long-range antenna - loop antenna - marker antenna - matched antenna - mismatched antenna - monopole antenna - narrow-beam antenna - omnidirectional antenna - omnipole antenna - parabolic antenna - radar antenna - radio altimeter antenna - receiving antenna - reception antenna - rhombic antenna - rod antenna - rotable antenna - rotating antenna - sector antenna - selective identification feature antenna - sense antenna - SIF antenna - slot antenna - space-borne antenna - spacecraft antenna - split antenna - spot-beam antenna - suppressive antenna - trailing antenna - transmitting antenna - umbrella-type antenna - UHF antenna - ultra high frequency antenna - very high frequency omnidirectional radio range antenna - VOR antenna - wide aperture antenna - wide-band antenna - wire antenna
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HRS type antennas — are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). History of HRS design HRS antennas were discovered during the 1920s, and as such were not originally intended for voice and music… … Wikipedia
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Electrical connector — Back of an audio amplifier features a variety of electrical connectors An electrical connector is an electro mechanical device for joining electrical circuits as an interface using a mechanical assembly. The connection may be temporary, as for… … 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
History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… … 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
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Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… … Wikipedia
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium