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target reflectivity

См. также в других словарях:

  • 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

  • Weather radar — in Norman, Oklahoma with rainshaft …   Wikipedia

  • Radar cross section — (RCS) is a measure of how detectable an object is with a radar. For example a stealth aircraft (which is designed to be undetectable) will have design features that give it a low RCS, as opposed to a passenger airliner that will have a high… …   Wikipedia

  • Memory errors — Memory gaps and errors refer to the incorrect recall, or complete loss, of information in the memory system for a specific detail and/or event. Memory errors may include remembering events that never occurred, or remembering them differently from …   Wikipedia

  • Tonal Reproduction Curve — is often referred to by its initials, TRC, and the R is sometimes said to stand for Response, as in Tonal Response Curve.A Tonal Reproduction Curve is applied to the luminance value of an electronic image which adjusts for dot gain of a… …   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

  • Media in The Simpsons — Media is a recurring theme of satire on The Simpsons. The show is known for its satire of American popular culture and especially television culture, but has since its inception covered all types of media such as animation, journalism,… …   Wikipedia

  • Cool roof — In the world of industrial and commercial buildings, a cool roof is a roofing system that can deliver high solar reflectance (the ability to reflect the visible, infrared and ultraviolet wavelengths of the sun, reducing heat transfer to the… …   Wikipedia

  • Gliese 581 c — Planetbox begin name = Gliese 581 c Planetbox star star = Gliese 581 constell = Libra RA = RA|15|19|26 DEC = DEC|−07|43|20 dist ly = 19.9 dist pc = 6.12 class = M2.5VPlanetbox orbit period = 12.93cite encyclopedia | title = Planet : Gl 581 c |… …   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

  • Radar MASINT — is one of the subdisciplines of Measurement and Signature Intelligence (MASINT) and refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT),… …   Wikipedia

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