一种用于卫星通信的平面宽带圆极化天线

1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390) Pub Date : 1900-01-01 DOI:10.1109/MTTTWA.1999.755164

D. Filipovic

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引用次数: 11

摘要

提出了一种用于ku波段卫星通信的平面宽带圆极化天线。该天线由印刷在薄介质基板上的一组领结天线组成，该基板通过公司馈电分配器网络馈电。该阵列由低介电衬底支撑，衬底上涂有金属化地平面以提供单侧辐射。这种结构被直接放置在阵列顶部的三个低介电基片夹在中间。在每个基板上定义的金属化图案层将线偏振转换为圆偏振。最终的配置提供了21%的轴向比带宽在一个强大的，低成本的，易于制造的平面结构。

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A planar wideband circularly polarized antenna for satellite communications

A planar wideband circularly polarized antenna for Ku-band satellite communications is presented. The antenna consists of an array of bow-tie antennas printed on a thin dielectric substrate that is fed through a corporate feed divider network. The array is backed by a low dielectric substrate coated with a metallized ground plane to provide one-sided radiation. This configuration is sandwiched by three low dielectric substrates placed directly on top of the array. A metallization pattern layer defined on each substrate converts the linear polarization to circular polarization. The final configuration offers a 21% axial-ratio bandwidth in a robust, low-cost, easy to manufacture, planar structure.

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1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390)

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