Radar gun

A radar gun is a small Doppler radar used to detect the speed of objects. A radar gun does not return position or power information. It relies on the Doppler effect applied to a radar beam to measure the speed of objects it is pointed at.

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Radar guns may be hand-held or vehicle-mounted. Common uses include traffic speed law enforcement, and measuring the speed of balls in sports.

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Doppler radar: Doppler radar uses the Doppler effect to return additional information from a radar system. The Doppler effect shifts the frequency of the radar beam due to movement of the "target", allowing for the direct and highly accurate measurement of speeds. Doppler radars were originally developed for milit...

Doppler effect: The Doppler effect, named after Christian Andreas Doppler, is the apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. For waves, such as sound waves, that propagate in a wave medium, the velocity of the observer and the s...

Radar: :This article is about the device. For the fictional character in M*A*S*H (movie) and M*A*S*H (TV series), see Corporal Walter (Radar) O'Reilly....

Radar gun related Images and Photos (experimental)

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