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COBRA (radar) COBRA COunter Battery RAdar is a Counter-battery radar system developed jointly by Thales, Airbus Defence and Space and Lockheed Martin for the French, British and German Armed Forces. It is a mobile Active electronically scanned array 3D radar based on a wheeled chassis for the purpose of enemy field artillery acquisition.
A radar detector is an electronic device used by motorists to detect if their speed is being monitored by police or law enforcement using a radar gun. Most radar detectors are used so the driver can reduce the car's speed before being ticketed for speeding. In general sense, only emitting technologies, like doppler RADAR, or LIDAR can be detected.
Over-the-horizon radar. How a skywave OTH radar works: A powerful shortwave signal from a large transmitting antenna (left) reaches a target beyond the horizon by refracting off the ionosphere, and the echo signal from the target (right) returns to the receiving antenna by the same route. In practice, the beams are much closer to the horizon ...
Cobra Mist was the codename for an Anglo-American experimental over-the-horizon radar station at Orford Ness, England. [a] It was known technically as AN/FPS-95 and sometimes referred to as System 441a; a reference to the project as a whole. Cobra Mist was part of a small number of "Cobra" long-range surveillance radars operated by the United ...
Category:Cobra radars. Category. : Cobra radars. The United States Department of Defense operated a number of long-range radars and other sensors to observe ballistic missile launches in the Soviet Union and China .
Constant False Alarm Rate (CFAR). The center is the cell under test. The two adjacent cells are added and multiplied by a constant to establish a threshold. Detection occurs when the cell under test exceeds the threshold. In most simple CFAR detection schemes, the threshold level is calculated by estimating the noise floor level around the cell ...
A counter-battery radar or weapon tracking radar is a radar system that detects artillery projectiles fired by one or more guns, howitzers, mortars or rocket launchers and, from their trajectories, locates the position on the ground of the weapon that fired it. [1]: 5–18 Such radars are a subclass of the wider class of target acquisition radars.
The AN/FPS-117 is an L-band active electronically scanned array (AESA) 3-dimensional air search radar first produced by GE Aerospace in 1980 and now part of Lockheed Martin. [1] [2] The system offers instrumented detection at ranges on the order of 200 to 250 nautical miles (370 to 460 km; 230 to 290 mi) and has a wide variety of interference and clutter rejection systems.