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low-altitude radar altimeter

См. также в других словарях:

  • Radar altimeter — A radar altimeter, radio altimeter, low range radio altimeter (LRRA) or simply RA measures altitude above the terrain presently beneath an aircraft or spacecraft. This type of altimeter provides the distance between the plane and the ground… …   Wikipedia

  • Altimeter — An altimeter is an instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of depth underwater. Aircraft Instrumentation… …   Wikipedia

  • radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

  • Douglas A-4 Skyhawk — A 4 (A4D) Skyhawk A U.S. Navy A 4E of VA 164 from USS Oriskany (CVA 34) over North Vietnam in November 1967 Rol …   Wikipedia

  • Secondary surveillance radar — SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Secondary surveillance radar (SSR)[1] is a radar system used in air traffic control (ATC), that not only detects an …   Wikipedia

  • Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …   Wikipedia

  • Boeing OC-135B Open Skies — OC 135 Open Skies Role Observation Support/Support Open Skies Treaty Manufacturer Boeing Military Airplanes Division Introduction …   Wikipedia

  • OC-135B Open Skies — Infobox Aircraft name = OC 135 Open Skies type = Observation Support/Support Open Skies Treaty manufacturer = Boeing Military Airplanes Division caption = designer = first flight = introduction = June avyear|1993 retired = status = primary user …   Wikipedia

  • Geology of Venus — Radar image of the surface of Venus, centered at 180 degrees east longitude Venus is a planet with striking surface characteristics. Most of what is known about its surface stems from radar observations, mainly images sent by the Magellan probe… …   Wikipedia

  • Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …   Deutsch Wikipedia

  • 2010 Polish Air Force Tu-154 crash — Polish Air Force Tu 154 crash Part of the fuselage near Smolensk Accident summary Date 10 April …   Wikipedia

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