航行船におけるレーダ映像記録の解析-I

概要

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All ships should try their best to avoid a collision and accomplish their sailing. Here we tried to analysis of encountered traffic condition of training ship TAISEI MARU by using radar data, and investigated the initial position of encountered targets and the closest point of approach of targets. We could obtained 6129 target's tracks, and the results of this investigation are as follows; a. Tracking function of ARPA is not enough to navigate off the cost of JAPAN. Sailing ship usually encounter more than 20 targets. b. Detection of target by radar is changed by a property of targets. About 8% of targets are detected within 3 nautical miles of own ship. c. About 80% of targets appeared ahead of own ship under sailing at a speed of 18 knot. d. About 50% of targets passed within 3 nautical miles of own ship, and 12.4% of targets passed very close within 1 nautical mile of own ship.
社団法人日本航海学会の論文
1995-03-25