移動機アンテナの仰角放射特性を補償する衛星アンテナのビーム形成法 The Beam Synthesis Method of Satellite Antenna for Compensating the Radiation Characteristics in the Elevation Angle of Mobile Antenna

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Recently, focus has been placed on the development of mobile communications and broadcasting systems using GEO satellites. To realize these systems, a development of a beam synthesis technology for the satellite antennas is a matter of great importance, so that several design methods such as antenna gain optimization have been reported. However, no design considering the radiation characteristics of the mobile antenna has been reported. This paper describes a beam synthesis method which can compensate for the radiation characteristics in the elevation angles of the mobile antenna. The shaped beam by using this method makes it possible to provide uniform service quality throughout coverage area of the systems, because the beam shape on the satellite and mobile antenna are just the opposite. We will first present this method, and its shaped beams with an offset parabolic antenna which uses a 13-element feed. These shaped beams designed for a switching planer array antenna composed of 12 circular microstrip antenna elements which are arranged to form a cross so that we could obtain a simple tracking mechanism. We will then present a new feed system using a Hybrid Matrix Amplifier.

収録刊行物

  • 日本航空宇宙学会誌 = Journal of the Japan Society for Aeronautical and Space Sciences  

    日本航空宇宙学会誌 = Journal of the Japan Society for Aeronautical and Space Sciences 46(528), 63-70, 1998-01 

    一般社団法人 日本航空宇宙学会

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各種コード

  • NII論文ID(NAID)
    10002862418
  • NII書誌ID(NCID)
    AN00189072
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00214663
  • NDL 記事登録ID
    4379245
  • NDL 雑誌分類
    ZN25(科学技術--運輸工学--航空機・ロケット)
  • NDL 請求記号
    Z16-436
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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