宽带双感圆极化天线

2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-04-26 DOI:10.1109/COMPEM.2017.7912805

Kittima Lertsakwimam, C. Phongcharoenpanich, T. Fukusako

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引用次数: 0

摘要

提出了一种具有宽带3db AR特性的双感圆极化天线。天线由环形、沿环形直径方向放置的四个直探头、四个直杆和一个反射器组成。天线被四个直探头激励，得到了右手圆极化(RHCP)和左手圆极化(LHCP)。该天线在1.1 GHz - 2.2 GHz范围内具有10db回波损耗，在1.2 GHz - 2.1 GHz(相对带宽为54.5%)范围内具有3dB轴向比(AR)带宽，在1.4-1.7 GHz频率范围内具有- 30db以上的隔离级别。在1.7 GHz时，天线元件的宽侧增益约为9.5 dBic。

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A broadband dual-sense circularly polarized antenna

A dual-sense circularly polarized antenna is proposed with a broadband 3-dB AR characteristics. The antenna consists of circular ring, four straight probes, which are place in along diameter direction of ring, four straight bars, and a reflector. The antenna is excited by the four straight probes to obtain both right hand circular polarization (RHCP) and left hand circular polarization (LHCP). The antenna has a 10dB-retum loss from 1.1 GHz–2.2 GHz, and the 3dB Axial Ratio (AR) bandwidth is from 1.2 GHz–2.1 GHz (the relative bandwidth is 54.5 %) and more than −30dB-level of isolation in frequency range of 1.4–1.7 GHz. The antenna element broadside gain is approximately 9.5 dBic at 1.7 GHz.

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来源期刊

2017 IEEE International Conference on Computational Electromagnetics (ICCEM)

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