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How to use Doppler in a sentence
Routine prenatal care already typically involves one or two ultrasounds using a two-dimensional Doppler—which shows a flat, two-dimensional image on a screen— to check on fetal growth and health between weeks 18 and 22 of pregnancy.
Collins’ protocol calls for additional imaging with a 3D or 4D Doppler, which allows a physician to evaluate the nooks and crannies of the fetus and the cord.
It was first implemented in the 2019 summer Atlantic League via the “TrackMan,” a system that measures the flight of a baseball using a 3D Doppler radar.
That is, it was triggering a sequence of tornado warnings, based on Doppler radar indications of a rotating region in the lower cloud, called a mesocyclone.How a tornadic storm tore through West Virginia and parts of northern Maryland Monday|Jeffrey Halverson, Jason Samenow|May 6, 2021|Washington Post
In physics, the Doppler effect describes how a noise like a coming train will always sound different when it approaches than when it recedes.‘Beloved Beasts’ Is a Riveting History of Conservation|Erica Berry|March 12, 2021|Outside Online
On each orbit, the planets pull the star slightly, which can be detected by the Doppler effect.
Also new this year, in the wake of Sandy, NOAA will receive real time Doppler radar data from its “Hurricane Hunter” planes.Hurricane Season Is Starting, and Projections Are Higher Than Average|Eliza Shapiro|May 29, 2013|DAILY BEAST
The idea, initiated by Christian Doppler at Prague in 1842, was originally applied to sound.
The method of detecting binary stars by means of the spectroscope is an application of Doppler's principle.
The principle that the refrangibility of light is altered by end-on motion was enunciated by Christian Doppler of Prague in 1842.
Angle, strength and Doppler movement were computed to find course and distance.Planet of the Damned|Harry Harrison
Spectroscopic determinations of the velocities, through the Doppler-principle, are generally expressed in km.Lectures on Stellar Statistics|Carl Vilhelm Ludvig Charlier