Korean Journal of Remote Sensing (대한원격탐사학회지)

Korean Society of Remote Sensing (대한원격탐사학회)
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Development of a Seabed Mapping System using SeaBeam2000 Multibeam Echo Sounder Data

SeaBeam2000 다중빔 음향측심기를 이용한 해저면 맵핑시스템 개발

  • 박요섭 (인하대학교 자동화공학과 Machine Vision 연구실) ;
  • 김학일 (인하대학교 자동화공학과 Machine Vision 연구실) ;
  • 이용국 (한국해양연구소 해양지구물리 연구그룹) ;
  • 석봉출 (한국해양연구소 해양지구물리 연구그룹)
  • Published : 1995.12.01
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Abstract

SeaBeam2000, a multibeam echo sounder, is a new generation seabed mapping system of which a single swath covers an angular range of -60.deg. to 60.deg. from the vertical direction with 121 beams. It provides high-density and high-quality bathymetric data along with sidescan acoustic data. The purpose of the research is to develop a system for processing multibeam underwater acoustic and bathymetric data using digital signal processing techniques. Recently obtained multibeam echo sounder data covering a survey area in the East Sea of Korea ($37{\circ}$.00'N to $37{\circ}$30'N and $129{\circ}$40'E to $130{\circ}$30'E) are preliminarily processed using the developed system and reproduced in the raster image format as well as three dimensionally visualized form.

다중빔 음향측심기인 SeaBeam2000은 차세대 해저면 맵핑시스템으로써, 단일 탐사폭이 121개의 빔으로 구성되어 탐사선의 수직방향을 중심으로 좌우 60도씩의 해저면을 탐사할 수 있 다. 이 장비는 현재 한국해양연구소의 온누리호에 설치되어 운영되고 있으며, 다른 해저면 탐사장 비에 비하여 짧은 기간 동안 넓은 해역에 대하여 고질의 해저 수심자료와 음압자료를 동시에 공 급한다. 본 연구의 목적은 이러한 복합적인 다중빔 해저자료를 디지탈 신호처리 기술을 이용하여 처리하는 시스템을 개발하는 것이다. 본 논문에서는 다중빔 음향측심 자료를 이용한 해저면 맵핑 시스템의 처리과정을 소개하고, 동해 일부해역(북위 37도00분 - 37도30분, 경도 129도40분 - 130 도40분)을 탐사하고 얻어진 다중빔 음향측심 자료를 개발된 시스템으로 처리한 결과를 2차원 및 3차원 영상으로 보여준다.

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