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Doppler shift

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Doppler shift [′däp·lər ‚shift]
(physics)
The amount of the change in the observed frequency of a wave due to Doppler effect, usually expressed in hertz. Also known as Doppler frequency.
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At time t the magnitude square of the output of a filter matched to a zero delay and a zero Doppler shift is [|x(t)|.
Q-learning-based adaptive waveform selection in cognitive radar by Wang, Bin; Wang, Jinkuan; Song, Xin; Liu, Fulai / International Journal of Communications, Network and Systems Sciences (IJCNS)
This technique, known as the wobble or Doppler shift method, reveals only the minimum mass of a planet.
Astrometry nabs its first exoplanet: method provides more precision ... by Cowen, Ron / Science News
As an example of what becomes possible, French amateur Christian Buil was able to use the new spectrograph to measure the tiny Doppler shift produced by the planet orbiting Tau Bootes from his urban apartment balcony.
2 Increased Pro-Am cooperation in spectroscopy delivers results by Leadbeater, Robin / Journal of the British Astronomical Association
 
 
 
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