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Passive radar. Passive radar (also referred to as parasitic radar, passive coherent location, passive surveillance, and passive covert radar) is a class of radar systems that detect and track objects by processing reflections from non-cooperative sources of illumination in the environment, such as commercial broadcast and communications signals.
The AN/SPY-1[a] is a United States Navy passive electronically scanned array (PESA) 3D radar system manufactured by Lockheed Martin, and is a key component of the Aegis Combat System. The system is computer controlled and uses four complementary antennas to provide 360-degree coverage. The system was first installed in 1973 on USS Norton Sound ...
The Saab (formerly Ericsson Microwave Systems AB) Giraffe Radar is a family of land and naval two- or three-dimensional G/H-band (4 to 8 GHz) passive electronically scanned array radar -based surveillance and air defense command and control systems. It is tailored for operations with medium- and Short Range Air Defense (SHORAD) missile or gun ...
G/ATOR. The AN/TPS-80 Ground/Air Task Oriented Radar (G/ATOR) is the United States Marine Corps next-generation Air Surveillance/ Air Defense and Air Traffic Control (ATC) Radar. The mobile active electronically scanned array radar system is being developed by Northrop Grumman and was expected to reach initial operating capability in August 2016.
AN/TPS-75. AN/TPS-75 radars deployed at Tobyhanna Army Depot. The AN/TPS-75 is a transportable passive electronically scanned array air search 3D radar produced in the United States. It was originally designated the TPS-43E2. Although the antenna is a radically new design from the TPS-43, the radar van itself, which houses the transmitter ...
Stealth aircraft are designed to avoid detection using a variety of technologies that reduce reflection/emission of radar, infrared, [1] visible light, radio frequency (RF) spectrum, and audio, all collectively known as stealth technology. [2] The F-117 Nighthawk was the first operational aircraft explicitly designed around stealth technology ...
The AN/MPQ-64 Sentinel is an X-band electronically steered pulse-Doppler 3D radar system used to alert and cue Short Range Air Defense (SHORAD) weapons to the locations of hostile targets approaching their front line forces. It is currently produced by Raytheon Missiles & Defense. First built in 1995 as a modification of AN/TPQ-36 A for search ...
As Chinese capability in microelectronics matured, an updated version of passive phased array Type 373 radar was developed, designated the SLC-2. This is a fully solid-state, highly digitized version that adopts planar active phased array antenna. One of the shortcomings of TPQ-37 revealed in tests was in its multi-targeting capability.