effet Doppler | francusko - engleski prevod

effet Doppler

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1. Doppler effect


Change in the observed frequency (or wavelength) of waves due to relative motion between the wave source and the observer. The Doppler effect is responsible for the perceived change in pitch of a siren as it approaches and then recedes, and for the red shift of light from distant stars. It is named for the Austrian physicist Christian Doppler.
Change in the apparent frequency of a wave as observer and source move toward or away from each other; Also called: Doppler shift.

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