above-the-horizon radar

См. также в других словарях:

• Over-the-horizon radar — US Navy Relocatable Over the Horizon Radar station Over the horizon radar, or OTH (sometimes also beyond the horizon, or BTH), is a design concept for radar systems to allow them to detect targets at very long ranges, typically up to thousands of …   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

• 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 — 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 — /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

• 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

• Jindalee Operational Radar Network — The Jindalee Operational Radar Network (JORN) is an over the horizon radar network that can monitor air and sea movements across 37,000km2. It has an official range of 3,000 km but depending upon certain atmospheric conditions has a range up to… …   Wikipedia

• J. S. Marshall Radar Observatory — The J.S. Marshall Radar Observatory (or MRO) is a McGill University facility in Sainte Anne de Bellevue, Quebec housing several weather radars and other meteorological sensors, many of them running around the clock. It is one of the components of …   Wikipedia

• The O.C. — This article is about the FOX television series. For the location from which the series derives its name, see Orange County, California. The O.C. Intertitle Card Seasons 3 4 Format Teen …   Wikipedia

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

• RADAR — Pour les articles homonymes, voir Radar (homonymie). Cette antenne radar longue portée, connue sous le nom ALTAIR, est utilisée pour détecter et pister les objets spatiaux …   Wikipédia en Français