浮標用レーダー・ビーコンについて-I : 二周波数方式ビーコンの提案(日本航海学会第28回講演会)

概要

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The development of the beacon systems for navigation radars is hampered by the radar interference due to the side-lobe response of the antenna. Here is proposed the "In-band Double Frequency Beacon System", in which two reply frequencies are transmitted simultaneously or altenately. One frequency is slightly higher and the other is slightly lower than each of two extreme frequencies between which ship radars usually operate. This system enables ship radars to display the beacon reply and the radar echo separately by the on-off operation of the AFC.
社団法人日本航海学会の論文
1962-12-25