radar gun
Highway patrol tool
A radar gun is a handheld device that uses radio waves to measure the speed of a moving object.
Police use radar guns to detect speeding vehicles: The officer clocked him at 85 with a radar gun.
In baseball, radar guns measure pitch velocity.
Also called a speed gun.
Civil law enforcement
- patrolRegular surveillance route
- trafficMovement along routes
- speedingExceeding posted velocity limits
- ticketEntry permit slip
violation · fine · highway · interstate · infraction · motorist · pursuit · checkpoint
Pouring vessel or hurler
- fastballMaximum-speed baseball throw
- baseballBat-and-ball team sport
- slapshotForceful hockey strike
- hockeyStick-and-goal sport
tennis · serve · clocking · velocity · scout · broadcast · stadium · dugout
Directed rate of motion
- speedRate of motion
- precisionAccuracy of measurement
- accuracyDegree of correctness
- calibrationAdjusting for measurement accuracy
reading · units · mph · kph · quantification · verification · timing · calculation
police
Civil law enforcement
- patrolRegular surveillance route
- trafficMovement along routes
- speedingExceeding posted velocity limits
ticket · violation · fine · highway · interstate · infraction · motorist · pursuit · checkpoint · pullover
pitcher
Pouring vessel or hurler
hockey · tennis · serve · clocking · velocity · scout · broadcast · stadium · dugout · coaching
velocity
Directed rate of motion
calibration · reading · units · mph · kph · quantification · verification · timing · calculation · threshold
Doppler
Motion-caused frequency change
waves · laser · infrared · calibration · beam · receiver · transmitter · microwave · detection · range
- speed sensorsspeedometer, speed sensor, speed camera, GPS sensor, fixed camera
- Radarantenna array, Doppler effect, image resolution, backscatter, clutter
- policingpatrol, police powers, arrests, police officer, arrest
- Legal/Police Itemsgavel, law book, legal pad, scales of justice, handcuffs
- measuring toolstape measure, ruler, yardstick, tablespoon, teaspoon
- speedingspeeding ticket, speed trap, speed camera, excessive speed, highway patrol