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.
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References in periodicals archive ?
Doppler spectroscopy is an indispensable tool for finding and characterizing extrasolar planets; however, detecting an Earth twin by measuring the radial velocity (RV) perturbation it imposes on the parent star requires nearly one order of magnitude better RV precision than the best current spectrographs provide.
1988) A comparison of measurements of cerebral blood flow in the rabbit using laser Doppler spectroscopy and radionuclide labelled microspheres.
2002) Reproducibility of non-invasive blood flow measurements using laser Doppler spectroscopy.