한국해양대학교

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가상 음원배열을 이용한 시역전처리에서의 강인한 집속

Title
가상 음원배열을 이용한 시역전처리에서의 강인한 집속
Alternative Title
Robust focusing in a time-reversal mirror with a virtual source array
Author(s)
변기훈
Publication Year
2015
Publisher
한국해양대학교 대학원
URI
http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002174507
http://repository.kmou.ac.kr/handle/2014.oak/8548
Abstract
The effectiveness of Time-Reversal (TR) focusing has been demonstrated in various fields of ocean acoustics. In TR focusing, a probe source is required for a coherent acoustic focus at the original probe source location. Recently, the need of a probe source has been partially relaxed by introduction of the concept of a Virtual Source Array (VSA) [S. C. Walker, Philippe Roux, and W. A. Kuperman, J. Acoust. Soc. Am. 125 (6), 3828-3834 (2009)]. In this paper, Adaptive Time-Reversal Mirror (ATRM) based on multiple constraint method [J. S. Kim, H. C. Song, and W. A. Kuperman, J. Acoust. Soc. Am. 109 (5), 1817-1825 (2001)] and Singular Value Decompositon (SVD) method are applied to a VSA for robust focusing. The numerical simulation results are present and discussed.
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해양공학과 > Thesis
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