Radar Gun
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High Quality Content by WIKIPEDIA articles! A radar gun or speed gun is a small Doppler radar unit used to detect the speed of objects, especially trucks and automobiles for the purpose of regulating traffic, as well as pitched baseballs, runners or other moving objects in sports. A radar gun does not return information regarding the object's position. It relies on the Doppler effect applied to a radar beam to measure the speed of objects at which it is pointed. Radar guns may be hand-held or vehicle-mounted. Most of today's radar guns operate at X, K, Ka, IR Band (infrared), and (in Europe)…mehr

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High Quality Content by WIKIPEDIA articles! A radar gun or speed gun is a small Doppler radar unit used to detect the speed of objects, especially trucks and automobiles for the purpose of regulating traffic, as well as pitched baseballs, runners or other moving objects in sports. A radar gun does not return information regarding the object's position. It relies on the Doppler effect applied to a radar beam to measure the speed of objects at which it is pointed. Radar guns may be hand-held or vehicle-mounted. Most of today's radar guns operate at X, K, Ka, IR Band (infrared), and (in Europe) Ku bands. An alternative technology, LIDAR, uses pulsed laser light.