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crossed-dipole antenna

См. также в других словарях:

  • Crossed field antenna — A crossed field antenna, or CFA, is a type of antenna for long and mediumwave broadcasting, patented in 1986, which was claimed to have the same efficiency as a conventional antenna but only one tenth the overall height. The invention was… …   Wikipedia

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

  • Sura Ionospheric Heating Facility — The Sura Ionospheric Heating Facility, located near the small town of Vasilsursk about 100 km eastward from Nizhniy Novgorod in Russia, is a laboratory for ionosphere research. Sura is capable of radiating about 190 MW, effective radiated power… …   Wikipedia

  • одноярусная турникетная антенна — — [http://www.iks media.ru/glossary/index.html?glossid=2400324] Тематики электросвязь, основные понятия EN crossed dipole antenna …   Справочник технического переводчика

  • 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

  • Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …   Wikipedia

  • High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project …   Wikipedia

  • Lichtenstein radar — was a German airborne radar in use during World War II. It was available in at least four major revisions, the FuG ( Funk Gerät ) 202 Lichtenstein B/C, FuG 212 Lichtenstein C 1, FuG 220 Lichtenstein SN 2 and FuG 228 Lichtenstein SN 3. FuG 202… …   Wikipedia

  • Automatic Picture Transmission — The Automatic Picture Transmission (APT) system is an analog image transmission system developed for use on weather satellites. It was introduced in the 1960s and over four decades has provided image data to relatively low cost user stations at… …   Wikipedia

  • Ulysses (spacecraft) — Infobox Spacecraft Name = Ulysses Caption = Ulysses spacecraft Organization = NASA/ESA Major Contractors = Mission Type = Orbiter Flyby Of = Jupiter Satellite Of = The Sun Launch = 6 October 1990 Launch Vehicle = OV|103, STS 41 Decay = Mission… …   Wikipedia

  • Battle of the Beams — The Battle of the Beams was a period in early World War II when bombers of the German Air Force ( Luftwaffe ) started using radio navigation for night bombing. British scientific intelligence at the Air Ministry fought back with a variety of… …   Wikipedia

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