- four-way radar surveillance
- Engineering: QUADRADAR
Универсальный русско-английский словарь. Академик.ру. 2011.
four-way radar surveillance
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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
Secondary surveillance radar — SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Secondary surveillance radar (SSR)[1] is a radar system used in air traffic control (ATC), that not only detects an … Wikipedia
Mass surveillance — A closed circuit television camera. Mass surveillance is the pervasive surveillance of an entire population, or a substantial fraction thereof. Modern governments today commonly perform mass surveillance of their citizens, explaining that they… … Wikipedia
space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… … Universalium
Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… … Wikipedia
Signals intelligence operational platforms by nation — This article is a subset article under the main article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with current signals… … Wikipedia
Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… … Universalium
Gol Transportes Aéreos Flight 1907 — Computer generated image of Flight 1907 and N600XL about to collide. The Legacy s left winglet sliced off nearly half of the Boeing s left wing.[1] … Wikipedia
North Warning System — emblem Map of all coordinates from Google Map of all coordinates fro … Wikipedia
MIM-104 Patriot — Patriot system of the German Luftwaffe Type Mobile Surface to air missile system Place of … Wikipedia
