Volume 4 Number 4 (Aug. 2012)
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IJCEE 2012 Vol.4(4): 445-451 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2012.V4.531

Application of MISO Volterra Series for Modeling Subharmonic of Ultrasound Contrast Agent

C. Samakee and P. Phukpattaranont
Abstract—To overcome the problem that single input single output (SISO) Volterra cannot model subharmonic components of ultrasound contrast agent (UCA), we propose the multiple-input-single-output (MISO) Volterra in this paper. The Volterra kernel estimations are carried out using singular value decomposition (SVD) method from numerical simulation data of representative of subharmonic based on the Church’s model. The performance of the method is evaluated using the normalized mean-square errors (NMSE) for the first-, secondand third-order Volterra model. Accuracy of the outputs from Volterra model is shown both in time domain and frequency domain. The resulting estimation from the third-order MISO Volterra model provides the best achievable improvement at the NMSE of -12.01 dB for 0.6 MPa excitation pressure (optimal of subharmonic generation).

Index Terms—Ultrasound contrast agent, microbubble, volterra series, subharmonic, nonlinear oscillation.

The authors are with the Department of Electrical Engineering, Prince of Songkla University, Thailand (e-mail: chindasamakee@hotmail.com, pornchai.p@psu.ac.th).

Cite: C. Samakee and P. Phukpattaranont, "Application of MISO Volterra Series for Modeling Subharmonic of Ultrasound Contrast Agent," International Journal of Computer and Electrical Engineering, vol. 4, no. 4, pp. 445-451, 2012.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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