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Active Antenna Radar

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  • Antenna (radio) — Whip antenna on car …   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

  • Antenna diversity — Antenna diversity, also known as space diversity, is one in a superset of wireless diversity schemes that utilizes two or more antennas to improve the quality and reliability of a wireless link. Often, especially in urban and indoor environments …   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 — 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

  • Active Electronically Scanned Array — An Electronically Scanned Array (AESA), also known as active phased array radar is a type of radar whose transmitter and receiver functions are composed of numerous small transmit/receive (T/R) modules. AESA radars feature short to instantaneous… …   Wikipedia

  • 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

  • Antenna — Contents 1 Science and engineering 1.1 Technology 1.2 Biology …   Wikipedia

  • Active Electronically Scanned Array — Antenne réseau à commande de phase Antenne réseau à commande de phase pour satellite …   Wikipédia en Français

  • Semi-active radar homing — Semi active radar homing, or SARH, is a common type of missile guidance system, perhaps the most common type for longer range air to air and surface to air missile systems. The name refers to the fact that the missile itself is only a passive… …   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

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