doppler

• Nom propre associé au physicien autrichien Christian Doppler, connu pour sa découverte de l'effet Doppler, qui décrit le changement de fréquence des ondes selon le mouvement de l'observateur par rapport à la source. Peut aussi désigner l'effet lui-même ou un adjectif s'y rapportant.

A proper noun referring to the Austrian physicist Christian Doppler, renowned for his discovery of the Doppler effect, which describes the change in frequency of waves relative to an observer moving relative to the wave source.

indénombrable · nom propre

1. C1formalscientific

   Christian Doppler, an Austrian physicist known for discovering the Doppler effect, which describes the change in frequency of waves relative to an observer.

   Christian Doppler, physicien autrichien

   • Doppler's work laid the foundation for modern radar and astronomy.
   • The Doppler effect is named after the Austrian physicist Christian Doppler.
   • Doppler's discovery is crucial in understanding wave behavior.

2. Doppler effectB2formalscientific

   The phenomenon where the observed frequency of a wave changes due to relative motion between the source and the observer.

   effet Doppler

   • The Doppler effect explains why a siren sounds higher pitched as it approaches.
   • Astronomers use the Doppler effect to measure the speed of stars.
   • Doppler radar relies on this principle to detect weather patterns.

   Synonymesdoppler effect