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Refraction Artifacts in Doppler Spectra Due to Dual Mode Ultrasound Propagation

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Acoustical Imaging

Part of the book series: Acoustical Imaging ((ACIM,volume 23))

Abstract

Refraction occurring at the interface between two media having different acoustic impedances can represent a significant source of artefacts in flow imaging systems1. In previous studies, only refraction due to planar longitudinal waves was considered, and no reference was made to the possible effects of shear wave propagation. However, there are cases of interest where sound propagates in both shear and longitudinal modes, e.g. through the rigid tubes used in some flow phantoms.s

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References

  1. R.S. Thompson et al., The effect on ultrasound intensity of refraction at a curved surface, in: “Acoustical Imaging”, Vol.22, P. Tortoli & L. Masotti, eds., Plenum Press, New York, 371:376(1996).

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  3. D. Censor, V.L. Newhouse, T. Vontz, Theory of ultrasound Doppler spectra velocimetry for arbitrary beam and flow configurations, IEEE Trans, on Biomed. Eng., vol.35,740–746(1988).

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  4. S.A. Jones, Fundamental sources of error and spectral broadening in Doppler ultrasound signals, Critical reviews in Biomédical Engineering, Vol.21, N.5, 399:483(1993).

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  5. Evans D.H., Me Dicken W.N., Skidmore R., Woodcock J.P., Doppler Ultrasound, Physics, Instrumentation, and Clinical Application, John Wiley and Sons, pp. 74–77, 1989.

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Author information

Authors and Affiliations

  1. Electronic Engineering Dept., University of Florence, via S.Marta 3, 50139, Firenze, Italy

    Paolo Berti & Piero Tortoli

  2. Esaote Biomedica, Firenze, Italy

    Alessandro Gubbini

Authors
  1. Paolo Berti
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  2. Alessandro Gubbini
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  3. Piero Tortoli
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Editor information

Editors and Affiliations

  1. Forsyth Dental Center, Boston, Massachusetts, USA

    Sidney Lees

  2. Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA

    Leonard A. Ferrari

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© 1997 Springer Science+Business Media New York

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Berti, P., Gubbini, A., Tortoli, P. (1997). Refraction Artifacts in Doppler Spectra Due to Dual Mode Ultrasound Propagation. In: Lees, S., Ferrari, L.A. (eds) Acoustical Imaging. Acoustical Imaging, vol 23. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8588-0_44

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  • DOI: https://doi.org/10.1007/978-1-4419-8588-0_44

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-4640-1

  • Online ISBN: 978-1-4419-8588-0

  • eBook Packages: Springer Book Archive

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