Ultrasound vibrometry using orthogonal-frequency-based vibration pulses

Yi Zheng, Aiping Yao, Shigao D Chen, Matthew W Urban, Haoming Lin, Xin Chen, Yanrong Guo, Ke Chen, Tianfu Wang, Siping Chen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

New vibration pulses are developed for shear wave generation in a tissue region with preferred spectral distributions for ultrasound vibrometry applications. The primary objective of this work is to increase the frequency range of detectable harmonics of the shear wave. The secondary objective is to reduce the required peak intensity of transmitted pulses that induce the vibrations and shear waves. Unlike the periodic binary vibration pulses, the new vibration pulses have multiple pulses in one fundamental period of the vibration. The pulses are generated from an orthogonal-frequency wave composed of several sinusoidal signals, the amplitudes of which increase with frequency to compensate for higher loss at higher frequency in tissues. The new method has been evaluated by studying the shear wave propagation in in vitro chicken and swine liver. The experimental results show that the new vibration pulses significantly increase tissue vibration with a reduced peak ultrasound intensity, compared with the binary vibration pulses.

Original languageEnglish (US)
Article number6644739
Pages (from-to)2359-2370
Number of pages12
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume60
Issue number11
DOIs
StatePublished - 2013

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Vibrations (mechanical)
Shear waves
Ultrasonics
vibration
pulses
S waves
Tissue
Liver
Wave propagation
chickens
swine
wave generation
liver
wave propagation
frequency ranges
harmonics

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Acoustics and Ultrasonics
  • Instrumentation

Cite this

Ultrasound vibrometry using orthogonal-frequency-based vibration pulses. / Zheng, Yi; Yao, Aiping; Chen, Shigao D; Urban, Matthew W; Lin, Haoming; Chen, Xin; Guo, Yanrong; Chen, Ke; Wang, Tianfu; Chen, Siping.

In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 60, No. 11, 6644739, 2013, p. 2359-2370.

Research output: Contribution to journalArticle

Zheng, Yi ; Yao, Aiping ; Chen, Shigao D ; Urban, Matthew W ; Lin, Haoming ; Chen, Xin ; Guo, Yanrong ; Chen, Ke ; Wang, Tianfu ; Chen, Siping. / Ultrasound vibrometry using orthogonal-frequency-based vibration pulses. In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 2013 ; Vol. 60, No. 11. pp. 2359-2370.
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