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Ground-penetrating 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 Penetrating Radar — Ein Bodenradar, auch Georadar, engl. Ground Penetrating Radar (GPR) oder Radio Echo Sounding (RES), misst Störungen in den oberen Schichten des Erdbodens durch Reflexion elektromagnetischer Strahlung. In der Geophysik dient es zur Untersuchung… …   Deutsch Wikipedia

  • ground penetrating radar — noun a device which uses radio waves that penetrate the ground to produce images of structures beneath the ground; used particularly in archaeology. Abbrev.: GPR …   Australian English 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 de apertura sintética — Saltar a navegación, búsqueda Imagen de la superficie de Venus cartografiada por el SAR de la sonda Magallanes Un Radar de Apertura Sintética (acrónimo SAR, del inglés Synthetic Aperture Radar) es un tipo de sistema radar. C …   Wikipedia Español

  • 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 à pénétration de sol — Pour les articles homonymes, voir RPS et GPR. Diagramme montrant les données d un sondage par radar à pénétration de sol dans un cimetière historique en Alabama, États Unis. Les réflections …   Wikipédia en Français

  • 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

  • ground-proximity warning system — A system that warns the crew if the aircraft’s current flight path would result in impact with the ground. The system automatically and continuously monitors the aircraft’s flight path with respect to the terrain at all altitudes between 50 and… …   Aviation dictionary

  • 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

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