圆形GPS天线的设计与制作

2011 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2011) Pub Date : 2011-12-19 DOI:10.1109/COMCAS.2011.6105835

O. Abraham, A. Leib, H. Matzner

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引用次数: 2

摘要

提出了一种用于全球定位系统目标的圆极化微带天线。本工作提出了一种双馈贴片的设计，其工作在1575 MHz的单频段(L1)。圆极化是通过微带线的方形贴片双馈技术直接实现的。在这种情况下，线的几何位置和馈电点的选择使所产生的波相位差为90度。天线匹配输入阻抗为50欧姆，匹配带宽为1.3%，右圆极化带宽为0.63%。仿真结果与实测结果吻合较好。

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Designing and building of a circular GPS antenna

A circularly polarized microstrip antenna for global positioning system aims is proposed. This work presents the design of a dual-feed patch, which operates at single band (L1) of 1575 MHz. Circular polarization is achieved directly by the dual-feeding technique of a square patch through microstrip lines. The geometrical emplacement of the lines and the feeding point had been chosen in such a matter for the generated waves to be ninety degrees out of phase. The antenna is matched for 50 ohm input impedance, with 1.3% matching bandwidth and 0.63% right-hand circular polarization bandwidth. Good agreement between simulation and measurement was achieved.

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2011 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2011)

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