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词汇 Doppler shift
释义

Definition of Doppler shift in English:

Doppler shift

noun
Physics
  • A change in frequency due to the Doppler effect.

    〔物理〕多普勒频移

    Example sentencesExamples
    • This causes a periodic Doppler shift of the spectrum of one or both members of the pair.
    • That pulsars are part of a binary system is indicated by Doppler shifts in the pulse period and the change in arrival time of the pulse.
    • This is simply the relativistic Doppler shift for light.
    • The Doppler shift happens with light as well as with sound.
    • Now, physicists in England have demonstrated a topsy-turvy Doppler shift in which a radio wave's frequency rises as the source recedes.

Definition of Doppler shift in US English:

Doppler shift

nounˈdɑplər ʃɪft
Physics
  • A change in frequency due to the Doppler effect.

    〔物理〕多普勒频移

    Example sentencesExamples
    • This is simply the relativistic Doppler shift for light.
    • That pulsars are part of a binary system is indicated by Doppler shifts in the pulse period and the change in arrival time of the pulse.
    • The Doppler shift happens with light as well as with sound.
    • This causes a periodic Doppler shift of the spectrum of one or both members of the pair.
    • Now, physicists in England have demonstrated a topsy-turvy Doppler shift in which a radio wave's frequency rises as the source recedes.
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