Measurement of carotid doppler spectra using autoregressive spectrum analyzer


Güler İ. , Kara S., YÜKSEL M. E.

1992 International Biomedical Engineering Days, IBED 1992, İstanbul, Turkey, 18 - 20 August 1992, pp.117-121 identifier

  • Publication Type: Conference Paper / Full Text
  • Volume:
  • Doi Number: 10.1109/ibed.1992.247075
  • City: İstanbul
  • Country: Turkey
  • Page Numbers: pp.117-121

Abstract

© 1992 IEEE.Noninvasive detection of human carotid artery stenoses using a 4 MHz pulsed Doppler ultrasonic blood flowmeter was investigated. Ultrasonic signals obtained from common, external and internal carotid arteries were recorded, digitized and transfered into a 80286 based personal computer. Next, two spectral analysis techniques, FFT and AR modeling, were applied to the measured data. When the results are compared, it is seen that the AR spectral analysis technique provides better spectra especially in the case of stenosis.