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    • 8. 发明授权
    • Waveguide to microstrip transition with a 90° bend probe for use in a circularly polarized feed
    • 使用90°弯曲探头的波导到微带过渡,用于圆极化进给
    • US07170366B2
    • 2007-01-30
    • US10907329
    • 2005-03-29
    • Andrew Baird
    • Andrew Baird
    • H01P1/161H01P5/103
    • H01P5/107
    • A first waveguide to microstrip transition, the waveguide having a top, a bottom, a first sidewall, a second sidewall and a closed end. A transition slot normal to a longitudinal axis of the waveguide intersects the top and the first sidewall. A probe having a 90 degree bend is arranged in the transition slot, a distal end of the probe projecting into the waveguide normal to the top. A proximal end of the probe is coupled to a microstrip on a dielectric substrate. An impedance matching feature may be included projecting from the bottom, proximate the distal end of the probe. A hole may be formed in the dielectric substrate proximate the proximal end of the probe. A second waveguide and transition arrangement may be aligned bottom to bottom with the first waveguide and similarly arranged with a probe coupled to a second microstrip on the dielectric substrate.
    • 第一波导到微带过渡,波导具有顶部,底部,第一侧壁,第二侧壁和封闭端。 与波导的纵向轴垂直的过渡槽与顶部和第一侧壁相交。 具有90度弯曲的探针设置在过渡槽中,探针的远端突出到垂直于顶部的波导中。 探针的近端与电介质基底上的微带耦合。 可以包括从底部突出的阻抗匹配特征,邻近探针的远端。 可以在接近探针的近端处的电介质基板中形成孔。 第二波导和转换装置可以从底部到底部与第一波导对准,并且类似地布置有耦合到电介质基板上的第二微带的探针。