radar gun


Also found in: Wikipedia.

radar gun

n.
A usually handheld device that measures the velocity of a moving object by sending out a continuous radio wave and measuring the frequency of reflected waves.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

radar gun

A usually hand-held device that measures the velocity of a moving object by sending out a continuous radio wave and measuring the frequency of reflected waves.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The officers were suddenly surprised when the radar gun began reading 300 miles per hour and climbing.
Cease, whose fastball has hit 103 miles per hour on the radar gun, is 1-0 with a 3.32 ERA in five starts for the Emeralds this season.
I READ with interest the article on the police and the radar gun, or speed gun as they would have it.
One interesting activity would be to have a local or state police officer visit the school and demonstrate how a fixed radar or LIDAR system or radar gun works.
On air at the studios in Fitzrovia, Central London, he added: "I haven't seen a radar gun for a long time so didn't expect one with 16 on it." Dad-of-two Jeremy, 49, filmed the moment officers stopped him and posted it online.
In the 10 years since IBM started collecting radar gun stats on Wimbledon's two main show courts each champion has normally averaged nearly 120mph for his first serve.
The speeding had been caught by a radar gun at 8.06am on February 18.
The team is considering adding batting cages, radar gun zones, and even a live mascot, something the Cubs have never had in their 110-year history.
Find out about your circulatory system and how your heart works as it pumps blood around your body, plus there's additional activities and new exhibits on the exhibition floor, Off the Block and Radar Gun. How fast can you get off the blocks or pitch a ball?
This simulator radar gun is used to test the APR-44(V) radar warning system and the AN/ALQ-162, automatic radar jammer.
A radar gun fires microwave pulses at a car and measures the Doppler shift of the reflected signal to calculate its velocity.