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Underwater Acoustic Barrier with Passive Ocean Time Reversal and Application to Underwater Detection

수동형 해양 시역전 수중음향장벽과 수중탐지에의 응용

Keecheol Shin1*
,
Jeasoo Kim2
신 기철1*
,
김 재수2
1LIG넥스원(주) Maritime연구소
2한국해양대학교, 해양공학과
*Corresponding Author
30 November 2012. pp. 551-560
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Abstract

Target detection by acoustic barrier method includes active and passive sonar technique and time reversal process whose theoretical background is already well defined. In this paper, the concept and theory of underwater detection by passive ocean time reversal is established. Also, the reason that this study was conducted was to investigate feasibility of complex mathematical modeling to provide some predictive capability for underwater acoustic barrier with passive time reversal. It may eventually lead to a useful predictive tool when designing underwater acoustic barrier detection system using the passive time reversal concept.

Keywords
Passive time reversal
Underwater acoustic barrier
Underwater detection

시역전 기술을 활용한 수중음향장벽에 의한 수중물체 탐지는 능동소나와 수동소나의 기법과 이론적 배경이 명확한 시역전 처리의 개념을 포함하고 있다. 본 논문에서는 수동형 해양 시역전에 의한 수중탐지의 개념과 이론을 수립하였다. 또한 수중음향 전파모델을 활용하여 모델링을 통해 수동형 시역전 수중음향장벽의 성능 예측을 수행하였다. 본 연구의 결과는 수동형 시역전 개념을 이용한 수중음향장벽 탐지시스템의 설계 시 유용한 성능예측 도구로 활용될 수 있다.

키워드
수동형 시역전
수중음향장벽
수중탐지
References
1
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Information
  • Publisher :The Acoustical Society of Korea
  • Publisher(Ko) :한국음향학회
  • Journal Title :The Journal of the Acoustical Society of Korea
  • Journal Title(Ko) :한국음향학회지
  • Volume : 31
  • No :8
  • Pages :551-560
  • Received Date : 2012-09-11
  • Accepted Date : 2012-10-24
  • DOI :https://doi.org/10.7776/ASK.2012.31.8.551
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