一种用于GNSS的环形反射器高增益圆极化贴片天线

2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science Pub Date : 2020-08-01 DOI:10.23919/URSIGASS49373.2020.9232385

P. Boontamchauy, N. Supreeyatitikul, N. Teerasuttakorn, P. Wongsakulphasatch

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引用次数: 3

摘要

提出了一种环形反射器的设计方案，以代替LNA实现GNSS高增益圆极化天线。测量的指向性显示了后瓣减小对增益的增强。在1.06 ~ 2.24 GHz范围内，反射系数为-10 dB，为71.51% BW。在1.142 ~ 1.646 GHz范围内，在3db区域内的轴向比为36.14% BW。GNSS全频段平均增益为6.86 dBi, 1.314 GHz时最大增益为7.43 dBi。

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A High-Gain Circularly Polarized Patch Antenna Using a Circular Ring Reflector for GNSS

A design of circular ring reflector is presented to accomplish a high-gain antenna with circular polarization for GNSS application instead of using an LNA. The measured directivity reveals an enhancement of gain by back-lobe reduction. The reflection coefficient, appears -10 dB, is 71.51 %BW from 1.06 to 2.24 GHz. The axial ratio, under the area of 3 dB, is 36.14 %BW over 1.142 - 1.646 GHz. The average gain is 6.86 dBi overall GNSS band, while the maximum gain is 7.43 dBi at 1.314 GHz.

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2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science

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