References
Bascom, P. A. J., Cobbold, R. S. C. andRoelofs, B. H. M. (1986) Influence of spectral broadening on continuous wave Doppler ultrasound spectra: a geometric approach.Ultrasound in Med. & Biol.,12, 387–395.
Batchelor, G. K. (1967)An introduction to fluid dynamics. Cambridge University Press.
Douville, Y., Arenson, J. W., Johnston, K. W., Cobbold, R. S. C. andKassam, M. (1983) Critical evaluation of continuous wave Doppler probes for carotid studies.J. Clin. Ultrasound,11, 83–90.
Gill, R. W. (1979) Performance of the mean frequency Doppler modulation.Ultrasound in Med. & Biol.,5, 237–247.
Gill, R. W. (1982) Accuracy calculations for ultrasonic pulsed Doppler blood flow measurements.Australasian Physical & Eng. Sci. in Med.,5, 51–57.
Ku, D. N., Giddens, D. P., Phillips, D. J. andStrandness, D. E. (1985) Hemodynamics of the normal human carotid bifurcation:in vitro andin vivo studies.Ultrasound in Med. & Biol.,11, 13–26.
Newhouse, V. L., Varner, L. W. andBendick, P. J. (1977) Geometrical spectrum broadening in ultrasonic Doppler systems.IEEE Trans.,BME-24, 478–480.
Poots, J. K., Johnston, K. W., Cobbold, R. S. C. andKassam, M. (1986) Comparison of CW Doppler ultrasound spectra with the spectra derived from a flow visualization model.Ultrasound in Med. & Biol.,12, 125–133.
Schlichting, H. (1979)Boundary-layer theory, 7th edn. McGraw-Hill, New York.
Segre, G. andSilverberg, A. (1962) Behaviour of macroscopic rigid spheres in Poiseuille flow. Part 2. Experimental results and interpretation.J. Fluid Mech.,14, 136–157.
Selfridge, A. R. (1985) Approximate material properties in isotropic materials.IEEE Trans.,SU-32, 381–394.
Sheldon, C. D., Murie, J. A. andQuin, R. O. (1983) Ultrasonic Doppler spectral broadening in the diagnosis of internal carotid artery stenosis.Ultrasound in Med. & Biol.,9, 575–580.
Thompson, R. S. andStevens, R. J. (1989) Mathematical model for interpretation of Doppler velocity waveform indices.Med. & Biol. Eng. & Comput.,27, 269–276.
Wijn, P. F. F., van der Sar, P., Gootzen, T. H. J. M., Tilmans, M. H. J. andSkotnicki, S. H. (1987) Value of the spectral broadening index in continuous wave Doppler measurements. —Ibid.,25, 377–385.
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Thompson, R.S., Aldis, G.K. & Linnett, I.W. Doppler ultrasound spectral power density distribution: measurement artefacts in steady flow. Med. Biol. Eng. Comput. 28, 60–66 (1990). https://doi.org/10.1007/BF02441679
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DOI: https://doi.org/10.1007/BF02441679