CPW馈电宽带圆极化单极天线

2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI:10.1109/APMC.2016.7931459

Kapil Saraswat, A. Harish

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引用次数: 4

摘要

提出了一种共面波导馈电的宽带圆极化单极天线。单极天线被放置在一个g形的接平面内。由于结构的不对称性，激发两个相位差为90°的正交模，产生圆偏振。测量结果表明，3db轴比带宽为26.21% (2.42 GHz ~ 3.15 GHz)， - 10dB反射系数带宽(|S11| < - 10dB)为35.16% (2.25 GHz ~ 3.21 GHz)。

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CPW fed wideband circularly polarized monopole antenna

A wideband circularly polarized monopole antenna fed by a coplanar waveguide is proposed. The monopole antenna is placed inside a G-shaped ground plane. Due to the asymmetry in the structure, two orthogonal modes out of phase by 90° are excited, which generate circular polarization. The measured results exhibit a 3-dB axial ratio bandwidth of 26.21% (2.42 GHz − 3.15 GHz), and −10 dB reflection coefficient bandwidth (|S11| < −10dB) of 35.16% (2.25 GHz – 3.21 GHz).

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2016 Asia-Pacific Microwave Conference (APMC)

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