Doppler effect

English

Etymology

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

Noun

Doppler effect (plural Doppler effects)

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.
   • 2016, Ian McEwan, Nutshell, Vintage, page 85:

     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.

Synonyms

• Doppler shift

Translations

change in frequency or wavelength

• Bulgarian: Доплеров ефект m (Doplerov efekt)
• Chinese:

  Mandarin: 多普勒效應／多普勒效应 (zh) (Duōpǔlè xiàoyìng)

• Dutch: dopplereffect (nl) n
• Estonian: Doppleri efekt
• Finnish: Doppler-ilmiö
• French: effet Doppler (fr) m
• German: Dopplereffekt (de) m, Doppler-Effekt (de) m
• Hindi: डॉप्लर प्रभाव (ḍŏplar prabhāv)
• Irish: iarmhairt Doppler f
• Italian: effetto doppler
• Japanese: ドップラー効果 (ja) (ドップラーこうか, doppurā kōka)
• Macedonian: Доплеров ефект m (Doplerov efekt)
• Polish: efekt Dopplera m
• Portuguese: efeito Doppler m
• Romanian: efectul Doppler n
• Russian: эффе́кт До́плера m (effékt Dóplera)
• Spanish: efecto Doppler m
• Swedish: dopplereffekt (sv) c
• Tagalog: bisang Doppler
• Turkish: Doppler etkisi, Doppler kayması
• Vietnamese: hiệu ứng Doppler

See also

• blueshifted
• redshifted