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- W807604872 abstract "본 연구는 선박용 레이더로부터 디지털 신호처리보드를 통하여 영상신호를 획득하고, 일련의 디지털 신호처리 및 영상신호 분석을 통하여 선박에서 실시간으로 파향 및 파장 등의 파랑정보를 측정하기 위한 기법을 개발하고자 하는 것이다. 본 논문에서는 영상신호 분석영역 을 사용자가 직접 설정하는 기존의 방법을 개선하여 분석영역을 자동으로 설정하는 기법 및 2차원 이산 푸리에 변환을 이용한 파향분석 알고리즘에 대하여 논하였다. 그리고, 컴퓨터 시뮬레이션을 통하여 파향분석 알고리즘의 유효성을 검증하였고, 기초실험으로 다양한 해상환경에서 X밴드 레이더로 획득한 13개의 영상신호에 대하여 파향정보 분석 결과를 예시하였다. This paper describes the system for evaluating the sea wave informations such as wave direction and wave length in real time, by using image data obtained from the marine X-band radar. We proposed here a method for automatic selection of the partial image data without the user's individual selection at the radar. We also discussed that the wave direction could be obtained by a 2-dimensional discrete Fourier transform algorithm. We carried some evaluation works on the algorithm through computer simulation. The obtained thirteen radar image data under several sea surface conditions were analyzed by the method described and the result was presented." @default.
- W807604872 created "2016-06-24" @default.
- W807604872 date "2003-12-01" @default.
- W807604872 modified "2023-09-26" @default.
- W807604872 title "A Study on the Estimation of Ocean Surface Wave Information from Marine Radar Signals" @default.
- W807604872 doi "https://doi.org/10.5394/kinpr.2003.27.5.499" @default.
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