誘電体レンズを使用したレーダレフレクタ(日本航海学会第29回講演会)

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書誌事項

タイトル別名
  • Radar Reflector using Dielectric Lens
  • 誘電体レンズを使用したレーダレフレクタ
  • ユウデンタイ レンズ オ シヨウ シタ レーダレフレクタ

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抄録

Luneberg lens reflector is far superior to the corner reflector for wide angle e.g. 140 degrees and has a radar cross section approximately eight times that of a circular corner reflector of the same radius. Some typical data at x band are presented for 5-inch & 10-inch diameter Luneberg lens reflectors manufactured now. The measured values of radar cross section are within 1.1dB below the theoretical. A lens which act as a true ommi-directional radar reflector called as Eaton-Lippmann lens reflector is also manufactured and some typical data at x band are presented for 5-inch diameter lens. The measured values of radar cross section are approximately 5.9dB below the theoretical and the variation of directivity is within ±0.8dB. Both Lunebery lens reflector and Eaton-Lippmann lens reflector are now in production.

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