Doppler spectroscopy

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Doppler spectroscopy

[‚däp·lər spek′träs·kə·pē]
(spectroscopy)
A technique for measuring the speed with which an object is moving toward or away from the observer by measuring the amount that light from the object is shifted to a higher or lower frequency by the Doppler effect.
References in periodicals archive ?
Crepp is building an instrument at Notre Dame named the iLocater that will be the first ultraprecise Doppler spectrometer to be fiber-fed and operated behind an adaptive optics system.