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    • 4. 发明公开
    • UHF SATELLITE COMMUNICATIONS ANTENNA
    • UHF-SATELLITENKOMMUNIKATIONSANTENNE
    • EP2933877A1
    • 2015-10-21
    • EP15162783.3
    • 2015-04-08
    • R.A. Miller Industries, Inc.
    • Cox, Roger
    • H01Q1/32H01Q9/28H01Q21/24
    • H01Q9/28H01Q1/3275H01Q1/42H01Q9/285H01Q21/245
    • A UHF satcom antenna comprises a hollow cylinder; an annular substrate disposed on a base of the hollow cylinder; a circular substrate coplanar and concentric to the annular substrate; a plurality of bow-tie antenna elements; a plurality of rectangular antenna elements and a plurality of open-sleeve elements. The antenna system includes at least one feed line extending through the hollow cylinder and the circular substrate and electrically connects to the bow-tie elements. The hollow cylinder may comprise a dielectric material. Provided on the annular substrate, the bow-tie elements extend radially outward from the center of the annular substrate. The rectangular elements are electrically coupled to the plurality of bow-tie antenna elements and are provided on the outer surface of the hollow cylinder. Provided on both the annular substrate and the outer surface of the hollow cylinder, the open-sleeve elements act as parasitic antenna elements for the bow-tie antenna system.
    • UHF卫星天线包括中空圆筒; 设置在所述中空圆筒的基部上的环状基板; 与环形基板共面并同心的圆形基板; 多个蝴蝶结天线元件; 多个矩形天线元件和多个开放套筒元件。 天线系统包括延伸穿过中空圆柱体和圆形基底的至少一个进给线,并电连接到蝴蝶结元件。 中空圆柱体可以包括电介质材料。 提供在环形基板上的蝴蝶结元件从环形基板的中心径向向外延伸。 矩形元件电耦合到多个弓形天线元件,并且设置在中空圆柱体的外表面上。 提供在环形基板和中空圆柱体的外表面上,开套筒元件用作弓形天线系统的寄生天线元件。