Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Analysis on the estimating of fishery resources using hydro-acoustics

수산음향자원량 추정에 필요한 음향자료 분석 방안

  • PARK, Geunchang (Division of Fisheries Science, Chonnam National University) ;
  • HAN, Inseong (Ocean Climate & Ecology Division, National Institute of Fisheries Sciences) ;
  • OH, Wooseok (Division of Fisheries Science, Chonnam National University) ;
  • OH, Sunyoung (Division of Fisheries Science, Chonnam National University) ;
  • LEE, Kyounghoon (Department of Marine Production Management, Chonnam National University)
  • 박근창 (전남대학교 수산과학과) ;
  • 한인성 (국립수산과학원 기후변화연구과) ;
  • 오우석 (전남대학교 수산과학과) ;
  • 오선영 (전남대학교 수산과학과) ;
  • 이경훈 (전남대학교 해양생산관리학과)
  • Received : 2022.02.14
  • Accepted : 2022.05.17
  • Published : 2022.08.31
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Abstract

This study investigated the methods of effectively removing noises in the acoustic data collected from the cold water zone of the East Sea, and converted that data into NASC values for comparison and analysis. First, the noises accompanying the acoustic data were divided into background noise, impulse noise, transient noise and attenuated signals according to the pattern characteristics. Then, the NASC values before and after noise removal were compared. As a result, the background noises were found to show the highest difference of 6,946 times in the NASC values before and after removal. The attenuated signals showed that the NASC values were higher after the removal.

Keywords

Acknowledgement

이 논문은 2021년 해양수산부 재원으로 해양수산과학기술진흥원(과학기술기반 해역이용영향평가 기술개발, 20210427) 및 국립수산과학원 수산과학연구사업(R2022056)의 지원을 받아 수행되었으며, 본 논문을 사려 깊게 검토하여 주신 심사위원님들과 편집위원님께 감사드립니다.

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