radar barrier
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Continuous-wave radar — is a type of radar system where a known stable frequency continuous wave radio energy is transmitted and then received from any reflecting objects.[1]Continuous wave (CW) radar uses Doppler, which renders the radar immune to interference from… … Wikipedia
Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… … Wikipedia
Perimeter Surveillance Radar — (PSR) is a class of radar sensors that monitor activity surrounding or on critical infrastructure areas such as airports, seaports, military installations, national borders, refineries and other critical industry and the like. Such radars are… … Wikipedia
USS Joyce (DE-317) — Career (US) … Wikipedia
USS Interpreter (AGR-14) — was a Guardian class radar picket ship acquired by the U.S. Navy in 1957 from the “mothballed” reserve fleet. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early… … Wikipedia
USS Lowe (DE-325) — Career (US) Namesake: Harry James Lowe Builder … Wikipedia
USS Kretchmer (DE-329) — Career (US) … Wikipedia
Distant Early Warning Line — DEW redirects here. For energy emitting weapons, see Directed Energy Weapons. USAF Distant Early Warning Line and Distant Early Warning System Office Emblem … Wikipedia
EC-121 Warning Star — infobox Aircraft name = EC 121 Warning Star type = Airborne early warning aircraft manufacturer =Lockheed caption =WC 121N variant of VW 4 Hurricane Hunters designer = first flight = introduced = 1955 retired = 1982 (USAF) primary user = United… … Wikipedia
USS Wilhoite (DE-397) — Career (US) … Wikipedia
Operation Teardrop — Part of the Battle of the Atlantic, World War II … Wikipedia
