ground-based radar

См. также в других словарях:

• Ground-penetrating radar — (GPR) is a geophysical method that uses radar pulses to image the subsurface. This non destructive method uses electromagnetic radiation in the microwave band (UHF/VHF frequencies) of the radio spectrum, and detects the reflected signals from… …   Wikipedia

• Ground-Based Midcourse Defense — (GMD) is a component of the national missile defense strategy of the United States administered by the U.S. Missile Defense Agency. Previously known as National Missile Defense (NMD), the name was changed in 2002 to differentiate it from other… …   Wikipedia

• ground-based — adj. Ground based is used with these nouns: ↑radar, ↑telescope …   Collocations dictionary

• Space-Based Radar — refers to space borne radar systems that may have any of a variety of purposes. A number of earth observing radar satellites, such as RadarSat, have employed synthetic aperture radar (SAR) to obtain terrain and land cover information about the… …   Wikipedia

• Ground-controlled interception — (GCI) an air defense tactic whereby one or more radar stations are linked to a command communications center guides interceptor aircraft to an airborne target. This tactic was pioneered by the Royal Air Force during the World War II, although the …   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

• ground-controlled interception/intercept — A technique that permits control of friendly aircraft to effect an interception from a ground based radar station. The interceptor is vectored into a position where target aircraft can be picked up visually or with onboard radar …   Aviation dictionary

• 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

• Radar astronomy — is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the echoes. This research has been conducted for four decades. Radar astronomy differs from radio astronomy in that the latter is a… …   Wikipedia

• Radar warning receiver — Typically fitted to military aircraft, radar warning receivers (RWR) detect the radio emissions of radar systems, whether ground based or on board other aircraft. The system is often capable of classifying the source of the radar by type (Pulsed… …   Wikipedia