Journal of Navigation and Port Research 2003;27(5):499-504.
Published online December 31, 2003.
선박 레이더 영상신호를 이용한 파랑정보 검출에 관한 연구
송재욱, 김창제, 문성배
A Study on the Estimation of Ocean Surface Wave Information from Marine Radar Signals
Chae-Uk Song, Chang-Je Kim, Seong-Bae Moon
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.
Key Words: Marine X-band radar;Image data analysis;Partial image data for analyzing;Wave direction information;2 dimensional discrete Fourier transform

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