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    • 5. 发明授权
    • Dual polarization planar radiating element and array antenna comprising such a radiating element
    • 双极化平面辐射元件和包括这种辐射元件的阵列天线
    • US08248306B2
    • 2012-08-21
    • US12578831
    • 2009-10-14
    • Herve LegayDaniele BrescianiRenaud Chiniard
    • Herve LegayDaniele BrescianiRenaud Chiniard
    • H01Q1/38
    • H01Q9/0478H01Q9/0464
    • A dual-polarization planar radiating element having an external metal grid, at least one metal patch concentric with the external metal grid and a cavity separating the metal grid and the metal patch, the grid and the patch having a polygonal shape delimited by at least four pairwise opposite sides, and two orthogonal directions of polarization associated with two orthogonal electric fields Ev and Eh, at least one of the directions of polarization being parallel to two sides of the polygon. Each side of the metal patch parallel to a direction of polarization is linked electrically to a zone of the external grid where one of the electric fields Ev or Eh is a minimum. The invention exhibits the advantage of reducing the phenomenon of electrostatic discharges in the planar radiating elements without significantly modifying the response of the radiating element subjected to an orthogonally polarized wave.
    • 具有外部金属网格的双极化平面辐射元件,与外部金属网格同心的至少一个金属贴片和分隔金属栅格和金属贴片的空腔,栅格和贴片具有由至少四个 成对的相对侧和与两个正交电场Ev和Eh相关联的两个正交正交方向,极化方向中的至少一个平行于多边形的两侧。 平行于偏振方向的金属贴片的每一侧电连接到电场Ev或Eh中的一个最小的外部格栅的区域。 本发明具有减少平面辐射元件中的静电放电现象的优点,而不会明显地改变经受正交极化波的辐射元件的响应。