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    • 82. 发明授权
    • Integrated circularly polarized horn antenna
    • 集成圆极化喇叭天线
    • US4141013A
    • 1979-02-20
    • US726336
    • 1976-09-24
    • Timothy A. CrailMon N. Wong
    • Timothy A. CrailMon N. Wong
    • H01P1/17H01Q13/02H01Q15/08
    • H01Q13/0241
    • A horn antenna is disclosed having a built-in circular polarizer and a cross polarization attenuator. A square-apertured horn antenna has a plurality of pairs of conductive fins disposed along opposite edges of the horn interior. The individual fins are separated from each other by approximately one-fourth wavelength. The fins are at a 45 degree angle to that linear wave and react with that linear wave by imparting a circular rotation to that wave as the wave propagates past each pair of fins. A stepped attenuator is mounted in the input section to the horn antenna perpendicular to the linear input wave. The attenuator substantially absorbs cross-polarized signals whether reflected from the aperture of the horn or provided by the incoming signal.
    • 公开了具有内置圆偏振器和交叉极化衰减器的喇叭天线。 方形喇叭天线具有沿着喇叭内部的相对边缘设置的多对导电翅片。 各个翅片彼此分开大约四分之一波长。 翅片与该线性波形成45度角,并且随着波浪传播通过每对翅片,通过给该波形带来圆形旋转而与该线性波反应。 梯形衰减器安装在与线性输入波垂直的喇叭天线的输入部分中。 衰减器基本上吸收交叉偏振信号,无论从喇叭的孔径反射还是由输入信号提供。