Demonstration of three-dimensional vector flow estimation using bandwidth and two transducers on a flow phantom

A method of performing three-dimensional (3-D) velocity vector estimation with two transducers is demonstrated on a flow phantom using the Doppler spectra's mean frequencies and bandwidths. The results are compared with 3-D vector estimates computed from Doppler mean frequencies obtained with a...

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Veröffentlicht in:Ultrasound in medicine & biology 1995, Vol.21 (5), p.679-692
Hauptverfasser: McArdle, Andrew, Newhouse, Vernon L., Beach, Kirk W.
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container_title Ultrasound in medicine & biology
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creator McArdle, Andrew
Newhouse, Vernon L.
Beach, Kirk W.
description A method of performing three-dimensional (3-D) velocity vector estimation with two transducers is demonstrated on a flow phantom using the Doppler spectra's mean frequencies and bandwidths. The results are compared with 3-D vector estimates computed from Doppler mean frequencies obtained with a five-transducer system. It is shown that the two-transducer vector Doppler system which uses bandwidth can improve on the accuracy of a three-transducer vector Doppler system which relies only on Doppler mean frequencies.
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language eng
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Bandwidth
Biological and medical sciences
Blood Flow Velocity
Blood Vessels - diagnostic imaging
Blood Vessels - physiology
Doppler
Duplex
Frequency
Humans
Investigative techniques, diagnostic techniques (general aspects)
Mathematics
Medical sciences
Miscellaneous. Technology
Models, Structural
Resolution
Spectrum
Triangulation
Ultrasonic investigative techniques
Ultrasonography, Doppler - methods
Ultrasound
Velocity
title Demonstration of three-dimensional vector flow estimation using bandwidth and two transducers on a flow phantom
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