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  2. 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 ...

  3. AN/SEQ-3 Laser Weapon System - Wikipedia

    en.wikipedia.org/wiki/AN/SEQ-3_Laser_Weapon_System

    The May 24, 2010 NSWC test used a close-in weapon control system to enable the beam director to track an unmanned aerial vehicle target. [5] The LaWS was to be installed on USS Ponce in summer 2014 for a 12-month trial deployment. The Navy spent about $40 million over the past six years on research, development, and testing of the laser weapon.

  4. Lidar traffic enforcement - Wikipedia

    en.wikipedia.org/wiki/LIDAR_traffic_enforcement

    A laser jammer or lidar jammer is an electronic device used by drivers to prevent users of a LIDAR (or laser) gun from obtaining speed readings of their vehicle. Laser jammers are not to be confused with radar jammers. To jam LIDAR, laser jammers first must detect the emitted light, normally infrared light on the 904 nm wavelength. [12]

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

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

    There's no nationwide standard for police radar; an officer in rural Nebraska may still use 30-year-old X-band guns (don't ask us how we know), while urban police use Ka-band radar or even laser guns.

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

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

    The best radar detectors can do more than just protect you from being the target of police radar and laser guns and keep you from receiving a speeding ticket. ... and accuracy. Antennas. A radar ...

  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. 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 .

  9. Laser weapon - Wikipedia

    en.wikipedia.org/wiki/Laser_weapon

    Electric laser capable of producing a 100-kilowatt ray of light, with potential to be mounted in aircraft, ship, or vehicle. 2009: Experimental [67] [68] Northrop Grumman laser gun: Laser gun successfully tested by the U.S. Navy, mounted on the former USS Paul F. Foster and demonstrated destructive capability on a high-speed cruising target ...