| Doppler effect |
The apparent change in the pitch of a sound when the source of the sound is moving with respect to the listener. Also called Doppler distortion.
Ãâó: www.dilettantesdictionary.com/index.php
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| Doppler |
a small machine that generates and audible signal by ultrasound, characterizing blood flow in a vessel.
Ãâó: www.med.nyu.edu/fgpvascular/glossary.html
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| Doppler effect |
Any motion-induced change in the observed wavelength (or frequency) of a wave.
Ãâó: astronomy.nju.edu.cn/astron/AT3/GLOSS_D.HTM
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| Doppler effect |
A shift in the frequency of an electromagnetic or sound wave due to the relative movement of the source or the observer.
Ãâó: www.ametsoc.org/amsedu/WES/glossary.html
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| Doppler effect |
The change in the observed frequency of a wave in a transmission system caused by a time rate of change in the effective length of the path of travel between the source and the point of observation.
Ãâó: www.fhwa.dot.gov/environment/noise/measure/chap2.h...
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