Doppler effect

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a satellite moves relative to a stationary observer, the waves of its signals compress and elongate, like the siren of a passing ambulance, in what’s known as the Doppler effect.

From Science Magazine

The boys cheered the cornfields while I experienced the Doppler effect of being passed by a massive long-haul truck going roughly 80 mph.

From Washington Post

This Doppler effect is illustrated by the whistle of an approaching train.

From New York Times

Outside, ambulances raced by carrying people who shouldn't have been infected, their sirens trilling in a bleak and seemingly constant display of the Doppler effect.

From Salon

The track “Run for Your Life” is made of multiple beats recorded from a moving van — Diggs’s raps change tempo to account for the Doppler effect.

From New York Times