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beam nulling

См. также в других словарях:

  • формирование нуля в главном лепестке — Метод подавления сильных помех путем формирования провала в главном лепестке диаграммы направленности, ориентированного на известный источник излучения мешающих сигналов. [Л.М. Невдяев. Телекоммуникационные технологии. Англо русский толковый… …   Справочник технического переводчика

  • Smart antenna — Smart antennas (also known as adaptive array antennas, multiple antennas and recently MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signature such as the direction of arrival (DOA) of the signal …   Wikipedia

  • Ronald N. Bracewell — Infobox Scientist name = Ronald N. Bracewell box width = image width = caption = birth date = Birth date|1921|07|22 birth place = Sydney, New South Wales, Australia death date = Death date and age|2007|08|12|1921|07|22 death place = Stanford,… …   Wikipedia

  • Ooty Radio Telescope — Radio Telescope at Ooty Organization Tata Institute of Fundamental Research …   Wikipedia

  • History of astronomical interferometry — See also: astronomical interferometerWilliam Herschel knew as early as 1779 (Herschel 1805) that stars appeared much larger in telescopes than they really were but he did not know why. When Thomas Young demonstrated interference and the wave… …   Wikipedia

  • Terrestrial Planet Finder — Infrared interferometer concept …   Wikipedia

  • Michelson interferometer — A Michelson interferometer for use on an optical table. The Michelson interferometer is the most common configuration for optical interferometry and was invented by Albert Abraham Michelson. An interference pattern is produced by splitting a beam …   Wikipedia

  • Darwin Mission — The Darwin Mission is a proposed European Space Agency (ESA) program designed to directly detect Earth like planets orbiting nearby stars, and search for evidence of life on these planets. The launch date will be at or after 2015 according to the …   Wikipedia

  • photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

  • Astronomical interferometer — An astronomical interferometer is an array of telescopes or mirror segments acting together to probe structures with higher resolution. Astronomical interferometers are widely used for optical astronomy, infrared astronomy, submillimetre… …   Wikipedia

  • Darwin (spacecraft) — Darwin General information Organization European Space Agency (ESA) Launched from Guiana Space Centre French Guiana [1] Launch vehicle Soyuz 2/Fregat …   Wikipedia

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