実船が軽験したレーダ映像の問題について(日本航海学会第31回講演会)

概要

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The "Japanese Committee for Radio Aids to Navigation" has been making "Inquiries about Radars and Radio Equipments for Navigation" into ship's captains and officers on the sea, from 1959 to 1964. For this aim, 1, 500 of printed matters were used, and got 147 reports. In this paper, the author treated only for the problems of the Radar images which were reported in those inquiries, First, he investigated about 110 examples of reported problems concerning with radar images, such as squalls, sea clutters, distinguishing between images, difficulties of fixing of ship's positions and about special images. Second, he investigated about the special districts in the world, where has been found unusual phenomena, such as superrefraction in Gulf of Oman, Persian Gulf and the westside of Australia, etc., sand storm images at Ras al Hado of Arabia, too much false echoes in the Islands of Philippine, etc.. Third, he investigated about the real condition of Japanese merchant officer's radar plotting procedures, and he recomends to make a stronger education about the radar plotting and collision avoidance by radar, for the navigators in Japan.
社団法人日本航海学会の論文
1965-01-25