Doppler effect

名词 n.
中文释义

英文释义

名词 n.
  1. The apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves.
    — Along the street, a delivery van’s pop music approaches and recedes with a faint Doppler effect, the cheerless band lifting and dipping a microtone.

词形变化

Doppler effects plural

词源

From Christian Andreas Doppler, the scientist who first proposed this effect.
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