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首页> 外文期刊>Journal of Electrical and Electronics Engineering Research >A feed antenna for dielectric spheres lens inthe Ka band
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A feed antenna for dielectric spheres lens inthe Ka band

机译：Ka波段电介质球透镜的馈电天线

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摘要

In this paper, a feed antenna for dielectric spheres lens in the Ka band, which is a circularly polarized short dielectric rod antenna, is presented. The structure combines with circular polarizer and short dielectric rod antenna skilfully. The circular polarizer with dielectric septum realizes the circular polarization. The short dielectric rod antenna achieves the high gain. Compared with the long dielectric rod antenna, the short dielectric rod antenna in the design has realized miniaturization. The antenna is characterized by simple structure, manufacture and test easily. In addition, the performance of the antenna as a feed for the dielectric sphere lens antenna is also studied, whose simulated gain with a quarter wavelength choke is 20.369 dB and beam width is 16°, which show that the antenna is an excellent feed antenna.
机译：本文提出了一种Ka波段的电介质球透镜馈电天线，它是圆极化的短电介质棒状天线。该结构巧妙地结合了圆偏振器和短介电棒状天线。带有电介质隔膜的圆偏振器可实现圆偏振。短介电棒状天线可实现高增益。与长介电棒状天线相比，设计中的短介电棒状天线实现了小型化。该天线的特点是结构简单，制造和测试容易。此外，还研究了该天线作为电介质球透镜天线的馈电性能，其四分之一波长扼流圈的模拟增益为20.369 dB，波束宽度为16°，这表明该天线是出色的馈电天线。

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