- apparent frequency
-
кажущаяся частота
English-Russian dictionary of geology. 2011.
apparent frequency
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Doppler effect — n a change in the frequency with which waves (as sound, light, or radio waves) from a given source reach an observer when the source and the observer are in motion with respect to each other so that the frequency increases or decreases according… … Medical dictionary
Doppler effect — (also Doppler shift) ► NOUN Physics ▪ an increase (or decrease) in the apparent frequency of sound, light, or other waves as the source and the observer move towards (or away from) each other. ORIGIN named after the Austrian physicist Johann… … English terms dictionary
