电介质谐振器天线,在侧壁刻有凹槽,以提高带宽和高增益

S. K. K. Dash, T. Khan, Samineni Peddakrishna, Saurabh Kumar
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引用次数: 0

摘要

本文报道了一种具有宽带高增益特性的各向同性圆柱形介质谐振器天线。通过在圆柱形DRA的侧壁上雕刻凹槽,带宽和增益分别提高了200%和20%。结果表明,尽管介质材料是各向同性的,但由于侧壁上的连续无序,使得电磁波很容易从侧壁穿出,从而提高了性能。优化后的天线工作频率为7.4 GHz至9.8 GHz,峰值增益为9.5 dBi。这种天线可以成为x波段应用的合适候选者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dielectric resonator antenna with engraved grooves on side-wall for improved bandwidth and high gain
This paper reports an isotropic cylindrical shaped dielectric resonator antenna (DRA) with wideband and high gain characteristics. By engraving grooves on side-wall of the cylindrical DRA, the bandwidth and gain improved by 200% and 20%, respectively. It is observed that despite of isotropic dielectric material, the continuous disorder on the side-wall led the electromagnetic waves to penetrate out easily from the side-wall resulting improved performances. The optimized antenna operates over 7.4 GHz to 9.8 GHz with 9.5 dBi peak gain. This antenna can be a suitable candidate for X-band applications.
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