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Original Article

A real-time spectrum analyser for ultrasonic Doppler signals, using a chirp-z-transform technique

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Pages 24-26 | Published online: 09 Jul 2009

References

  • Lunt M. J. Accuracy and limitations of the ultrasonic Doppler blood velocimeter and zero crossing detector. Ultrasound in Medicine and Biology 1975; 2: 1–10
  • Arts M. G. J., Roevros J. M. J. G. On the instantaneous measurement of bloodflow by ultrasonic means. Medical and Biological Engineering 1972; 10: 23–34
  • Koenig W., Dunn H. K., Lacy L. Y. The sound spectrograph. Journal of the Acoustic Society of America 1946; 18: 19–49
  • Light L. H. A recording spectrograph for analysing Doppler blood velocity signals (particularly from aortic flow), in real time. Journal of Physiology (London) 1970; 207: 42–44
  • Coghlan B. A., Taylor M. G., King D. H. On-line display of Doppler-shift spectra by a new time compression analyser. Cardiovascular Applications of Ultrasound, R. S. Reneman. North Holland, Amsterdam 1974; 56–65
  • Peronneau P. A., Leger F. Doppler ultrasonic pulsed blood flowmeter. Proceedings of the 8th International Conference on Medical and Biological Engineering. 1969; 10–11
  • Broderson R. W., Hewes R. C., Buss D. D. A 500 stage CCD transversal filter for spectral analysis. IEEE Journal, Solid State Circuits 1976; Vol.SC-11(No. 1)75–84

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