Doppler radar

noun

, Electronics.

1. a radar tracking system that determines the velocity of a moving object by measuring the Doppler shift of the frequency of a radar signal reflected by the object.

Doppler radar

1. Radar that uses the Doppler effect to measure velocity.

Word History and Origins

Origin of Doppler radar¹

First recorded in 1955–60

Example Sentences

Also new this year, in the wake of Sandy, NOAA will receive real time Doppler radar data from its “Hurricane Hunter” planes.

From The Daily Beast