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  2. Radar detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector

    An early radar detector Car radar detector (Japanese) 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.

  3. Radar detector detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector_detector

    A radar detector detector (RDD) is a device used by police or law enforcement in areas where radar detectors are declared illegal. Radar detectors are built around a superheterodyne receiver, which has a local oscillator that radiates slightly. It is therefore possible to build a radar-detector detector, which detects such emissions (usually ...

  4. Corner reflector - Wikipedia

    en.wikipedia.org/wiki/Corner_reflector

    A corner reflector for radar testing. A corner reflector is a retroreflector consisting of three mutually perpendicular, intersecting flat reflective surfaces. It reflects waves incident from any direction directly towards the source, but translated.

  5. These 8 Radar Detectors Are the Ticket to More Informed Driving

    www.aol.com/lifestyle/8-best-radar-detectors...

    RAD 480i. For those looking for low-cost but suitable protection from police radar, the Cobra RAD 480i provides the basics, including detection of all radar bands and laser signals.

  6. Ground Equipment Facility J-33 - Wikipedia

    en.wikipedia.org/wiki/Ground_Equipment_Facility_J-33

    By 1961 the 666th added AN/FPS-6 and AN/FPS-6B height-finder radars, and a detachment of the 666th began operating radars at the Mather AFB P-58 radar station which, as with the Fort Ord P-38A gap filler annex (AN/FPS-14 at ), provided radar video to the Mill Valley CDTS for analog-to-digital conversion

  7. Radar tracker - Wikipedia

    en.wikipedia.org/wiki/Radar_tracker

    The EKF is an extension of the Kalman filter to cope with cases where the relationship between the radar measurements and the track coordinates, or the track coordinates and the motion model, is non-linear. In this case, the relationship between the measurements and the state is of the form h = f(x) (where h is the vector of measurements, x is ...

  8. Monopulse radar - Wikipedia

    en.wikipedia.org/wiki/Monopulse_radar

    The world's first airborne monopulse radar system was the British Ferranti-designed AIRPASS system which went into service in 1960 on the RAF's English Electric Lightning interceptor aircraft. An early monopulse radar development, in 1958, was the AN/FPS-16, on which NRL and RCA collaborated. The earliest version, XN-1, utilised a metal plate lens.

  9. Radar speed gun - Wikipedia

    en.wikipedia.org/wiki/Radar_speed_gun

    A radar speed gun, also known as a radar gun, speed gun, or speed trap gun, is a device used to measure the speed of moving objects. It is commonly used by police to check the speed of moving vehicles while conducting traffic enforcement , and in professional sports to measure speeds such as those of baseball pitches , [ 1 ] tennis serves , and ...

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