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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Initial data came from the TRENDS (TaRgetting bENchmark-objects with Doppler Spectroscopy) high-contrast imaging survey that uses adaptive optics and related technologies to target older, faint objects orbiting nearby stars, and precise measurements were made at the W.
(1988) A comparison of measurements of cerebral blood flow in the rabbit using laser Doppler spectroscopy and radionuclide labelled microspheres.
Advanced imaging technologies include MRI and PET/CT scanners; a MEG (magnetoencephalography) scanner--one of only nine in clinical use in the U.S.; and Functional Transcranial Doppler Spectroscopy (fTCDS).