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  2. Lidar traffic enforcement - Wikipedia

    en.wikipedia.org/wiki/LIDAR_traffic_enforcement

    Lidar has a wide range of applications; one use is in traffic enforcement and in particular speed limit enforcement, has been gradually replacing radar since 2000. [1] Current devices are designed to automate the entire process of speed detection, vehicle identification, driver identification and evidentiary documentation.

  3. Radar detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector

    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 .

  4. We Tested 6 Radar Detectors to Find the Best - AOL

    www.aol.com/tested-6-radar-detectors-best...

    Lidar guns (more commonly referred to as laser guns) provide law enforcement with a virtually instant readout of your speed. Lidar is far more difficult to evade than traditional radar because it ...

  5. 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 ...

  6. Avoid Speeding Tickets: Experts Pick the Top Radar Detectors ...

    www.aol.com/avoid-speeding-tickets-7-top...

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  7. Speed limit enforcement - Wikipedia

    en.wikipedia.org/wiki/Speed_limit_enforcement

    Radar speed guns use a microwave signal that is directed at a vehicle; the Doppler effect is used to derive its speed. LIDAR speed guns utilize the time of flight of laser pulses to make a series of timestamped measurements of a vehicle's distance from the laser; the data is then used to calculate the vehicle's speed. [20]

  8. Doppler radar - Wikipedia

    en.wikipedia.org/wiki/Doppler_radar

    U.S. Army soldier using a radar gun, an application of Doppler radar, to catch speeding violators.. A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. [1]

  9. Continuous-wave radar - Wikipedia

    en.wikipedia.org/wiki/Continuous-wave_radar

    This is a typical problem with radar speed guns used by law enforcement officers, NASCAR events, and sports, like baseball, golf, and tennis. Interference from a second radar, automobile ignition, other moving objects, moving fan blades on the intended target, and other radio frequency sources will corrupt measurements.