舶用レーダーの円偏波による実験(日本航海学会第17回講演会)

概要

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A circulariser of special type is manufactured for producing the circularly polarized waves of marine Radar. The axial ratio of the circularly polarized waves is about 1.08 and the average intensity of the rain echo at a given range is reduced approximately 2/100, while the usual targets (ships and buildings) are being observed at the same time suffered a reduction of comparatively small amount. There are also listed many data as for various targets using the circularly polarized waves and the linearly polarized waves. The echoing signals of corner reflector are usualy very small when the circularly polarized waves are used but the echoing signal will be increased as much as that of lineary polarized waves if special devices are exercised at the side of the corner reflector.
社団法人日本航海学会の論文
1957-12-30