Theoretical analysis of chirp excitation of contrast agents

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Abstract

Analytic expressions are found for the amplitude of the first and second harmonics of the Ultrasound Contrast Agent's (UCA's) dynamics when excited by a chirp. The dependency of the second harmonic amplitude on the system parameters, the UCA shell parameters, and the insonifying signal parameters is then investigated. It is shown that optimal parameter values exist which give rise to a clear increase in the second harmonic component of the UCA's motion.

Original languageEnglish
Pages (from-to)743-747
Number of pages5
JournalPhysics Procedia
Volume3
Issue number1
DOIs
Publication statusPublished - 1 Jan 2010

Keywords

  • chirp
  • second harmonic
  • small parameter perturbation
  • ultrasound contrast agent

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