A low-profile dual-band circularly polarized GPS antenna

2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI:10.1109/APMC.2016.7931484
Nasimuddin, M. Karim, A. Alphones
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引用次数: 4

Abstract

A low-profile, dual-band, wide-beam circularly polarized (CP) stacked antenna is proposed for global positioning system (GPS) and vehicle applications. Antenna's configuration consists of stacked unequal circular-patches integrated-microstrip radiators with a coaxial feed. The dual-band CP radiation is achieved by integrated unequal circular-patches at the corners of lower and upper square microstrip radiators. The measured performance of the dual-band antenna shows wide coverage CP radiation with a gain of more than 5.0 dBic in both L1 (1.575 GHz) and L2 (1.227 GHz) bands. The proposed antenna is low-profile with size of 0.307λ0×0.307λ0×0.0196λ0 at 1.227 GHz.
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一个低调的双频圆极化GPS天线
提出了一种适用于全球定位系统(GPS)和车载应用的低轮廓、双频宽波束圆极化(CP)叠加天线。天线的结构由同轴馈电的不均匀圆形贴片集成微带散热器堆叠而成。双频CP辐射是通过在上下方形微带辐射体的角部处集成不等圆片实现的。测量结果表明，该双频天线在L1 (1.575 GHz)和L2 (1.227 GHz)频段均具有大于5.0 dBic的宽覆盖CP辐射。所提出的天线是低调的，尺寸为0.307λ0×0.307λ0×0.0196λ0，在1.227 GHz。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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2016 Asia-Pacific Microwave Conference (APMC)
2016 Asia-Pacific Microwave Conference (APMC)
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