Blood Flow Measurements

Authored by: Per Ask , P. Åke Öberg

Measurement, Instrumentation, and Sensors Handbook

Print publication date:  February  2014
Online publication date:  February  2014

Print ISBN: 9781439848913
eBook ISBN: 9781439848937
Adobe ISBN:

10.1201/b15664-74

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Abstract

The ultrasound Doppler measurements [1,2] are based on a principle discovered by the Austrian physicist Christian Doppler in 1842 [3], who theoretically predicted that a wave backscattered from a moving object will be shifted in frequency. The principle was verified by two hornblowers, one aboard a moving train and the other standing still, with the ability to assess the pitch of the sound.

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