Doppler radar
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A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave signal off a desired target and analyzing
U.S. Army soldier using a radar gun, an application of Doppler radar, to catch speeding violators.
AN/APN-81 Doppler radar navigation system, mid-1950s
The US Weather Bureau's first experimental Doppler weather radar unit was obtained from the US Navy in the 1950s
Doppler navigation system in the National Electronics Museum
Weather radar
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A weather radar, also called weather surveillance radar and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type. Modern weather radars a
Doppler radar
…of a target's velocity relative to the radar. The term applies to radar systems in many domains like aviation, police radar detectors, navigation, meteorology, etc. The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference between the…
Weather radar in Norman, Oklahoma with rainshaft
Weather (WF44) radar dish
Typhoon Cobra as seen on a ship's radar screen in December 1944.
1960s radar technology detected tornado-producing supercells over the Minneapolis-Saint Paul metropolitan area.