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parabolic-reflector aerial

См. также в других словарях:

  • 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

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

  • Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia

  • Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …   Wikipedia

  • Arecibo Observatory — Arecibo Radio Telescope Organization SRI International, NSF, Cornell University Location …   Wikipedia

  • History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… …   Wikipedia

  • Lighthouse — For other uses, see Lighthouse (disambiguation). Speculative drawing (c. 2006) of the Lighthouse of Alexandria, on the island of Pharos …   Wikipedia

  • Orthomode transducer — Orthomode transducer, VSAT Ku band Outdoor unit, includes …   Wikipedia

  • Marconi, Guglielmo — born April 25, 1874, Bologna, Italy died July 20, 1937, Rome Italian physicist and inventor. He began experimenting with radio waves in 1894. In 1896 he went to England, where he developed a successful system of radio telegraphy. His work on the… …   Universalium

  • Maritime history of California — History of California This article is part of a series Timeline …   Wikipedia

  • 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

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