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on-line radar

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  • 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

  • Line-of-sight propagation — refers to electro magnetic radiation including light emissions traveling in a straight line. The rays or waves are diffracted, refracted, reflected, or absorbed by atmosphere and obstructions with material and generally cannot travel over the… …   Wikipedia

  • line´-of-sight´ — line of sight, 1. the straight line from the eye to the object it is looking at, such as a target in shooting or bombing. 2. the straight line of the beam from a radar antenna. –line´ of sight´, adjective …   Useful english dictionary

  • 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 display — Modern radar systems typically use some sort of raster scan display to produce a map like image. In the past, notably during the early days of radar development, such displays were difficult to produce for a number of reasons. Several different… …   Wikipedia

  • Radar navigation — Marine radar systems can provide very useful navigation information in a variety of situations. When the vessel is within radar range of land or special radar aids to navigation, the navigator can take distances and angular bearings to charted… …   Wikipedia

  • Radar Love — Infobox Single Name = Radar Love Artist = Golden Earring from Album = Moontan Released = 1973 Format = Recorded = 1973 Genre = Hard Rock Length = 6:25 Label = Polydor Writer = George Kooymans/Barry Hay Producer = Golden Earring Chart position =… …   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

  • Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia

  • Radar picket — A radar picket is a radar equipped ship, submarine, aircraft, or vehicle used to increase the radar detection range around a force to protect it from surprise attack. Often several detached radar units encircle a force to provide increased cover… …   Wikipedia

  • radar shadow — i. The area where a radar is prevented from detecting objects or targets, as the radar waves are unable to reach them either because of obstructions en route or curvature of the earth (radar horizon). ii. A phenomenon in the weather radar when… …   Aviation dictionary

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