Application of Bessel Beam for Doppler Velocity Estimation

Jian Yu Lu, Xiao Liang Xu, Hehong Zou, James F. Greenleaf

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

Limited-diffraction beams have a large depth of field and could be applied to medical imaging, tissue characterization, and nondestructive evaluation of materials. This paper reports the application of limited-diffraction beams, specifically, the Bessel beam, to Doppler velocity estimation. The Bessel beam has the advantage that velocity estimation is less subject to the depth of moving objects and the Doppler spectrum has distinct shoulders that increase the accuracy of velocity (both magnitude and Doppler angle) estimation in noisy environments. The shoulders of the Doppler spectrum might also help in solving the inverse problem, e.g., estimation of the velocity distribution in vessels.

Original languageEnglish (US)
Pages (from-to)649-662
Number of pages14
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume42
Issue number4
DOIs
StatePublished - Jul 1995

ASJC Scopus subject areas

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering

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