Proceedings of the Korea Committee for Ocean Resources and Engineering Conference (한국해양공학회:학술대회논문집)

Korean Society of Ocean Engineers (한국해양공학회)
권호 표지

Development of Data Logger System for Ocean Bottom Seimometer

해저면지진계 데이터 기록장치 개발 연구

  • Hong, Sup (Korea Research Institute of Ship and Ocean Engineering, KORDI) ;
  • Kim, Hyung-Woo (Korea Research Institute of Ship and Ocean Engineering, KORDI) ;
  • Lee, Jong-Moo (Korea Research Institute of Ship and Ocean Engineering, KORDI) ;
  • Choi, Jong-Su (Korea Research Institute of Ship and Ocean Engineering, KORDI)
  • 홍섭 (한국해양연구원 해양개발시스템연구본부) ;
  • 김형우 (한국해양연구원 해양개발시스템연구본부) ;
  • 이종무 (한국해양연구원 해양개발시스템연구본부) ;
  • 최종수 (한국해양연구원 해양개발시스템연구본부)
  • Published : 2003.10.24
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Abstract

A digital data logging system has been developed for the purpose of a compact offline Ocean Bottom Seismometer(OBS). The Digital Data Logger(DDL) consists of A/D system, Micom with storage memory and firmware managing data files. The A/D system acquires data of 16bit/4ch with sampling rate of 250Hz per channel. The Micom, a micro controller board with T33521 processor of 8051 class, was equipped with 8 flash memories of 128MB for data storage capacity of 1GB. The firmware stores the acquiring data in form of binary files. The DDL was designated to be compact and light and to consume low energy as possible. The DDL is to interface with PC through USB(Universal Serial Bus). The performance of the DDL has been validated through tests with respect to a 3-axis seismometer.

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