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Doppler radar
noun
- 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
- Radar that uses the Doppler effect to measure velocity.
Word History and Origins
Origin of Doppler radar1
Example Sentences
Their Earthcare satellite used a Doppler radar to capture the view.
It also carries the first space-based Doppler radar to track the motions of clouds and probe how they fuel storms.
Operating in an era before Doppler radar and high-speed super computers, Allied meteorologists had to rely on hand-drawn maps, historical data, and spotty weather observations to put together their forecasts.
Next door at the Rainbow Bridge Market, cashier Amy Allen, 42, said she wondered whether the earthquake was caused by a Doppler radar tower on top of a mountain east of town.
Matthew Cappucci, a meteorologist, said on Twitter that the smoke plume reached “about 3,600 feet high,” according to the National Weather Service Doppler radar.
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