用于全球导航卫星系统的双频圆极化微带天线

IF 0.8 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Frequenz Pub Date : 2024-02-14 DOI:10.1515/freq-2023-0132

Haiyang Wang, Bianmei Zhang, Xiaoming Liu, Xiaofan Yang, Ran Zhang, Ye Wang

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引用次数: 0

摘要

本文提出了一种具有宽带宽的双频圆极化天线。在地面上刻有两个半径不同的圆形凹槽，以产生两个频带。圆槽外侧刻有两个矩形槽。通过调整两个槽的长度，该天线可以辐射两个频段的右旋圆极化（RHCP）波，覆盖 GPS L5（1.176 GHz）、L2（1.227 GHz）、L1（1.575 GHz）、BDS、GALILEO 和 GLONASS 频段。测得的 -10 dB 带宽为 46.3 %（1.13-1.81 GHz），3 dB 轴向比带宽为 15.6 %（1.11-1.30 GHz）和 17.8 %（1.38-1.65 GHz）。在 1.2 GHz 和 1.56 GHz 的测量增益分别为 2.51 dBi 和 2.67 dBi。

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Dual-band circular polarized microstrip antenna for GNSS application

A dual-band circular polarized antenna with broad bandwidth is proposed. Two circular grooves with different radii are carved on the ground to generate two frequency bands. Two rectangular slots are engraved on the outside of the circular groove. By adjusting the length of the two slots, this antenna can radiate right-handed circularly polarized (RHCP) waves at two frequency bands, which can cover GPS L5 (1.176 GHz), L2 (1.227 GHz), L1 (1.575 GHz), BDS, GALILEO, and GLONASS bands. The measured −10 dB bandwidth is 46.3 % (1.13–1.81 GHz) and 3 dB axial ratio bandwidths are 15.6 % (1.11–1.30 GHz) and 17.8 % (1.38–1.65 GHz). The measured gains are 2.51 dBi and 2.67 dBi at 1.2 GHz and 1.56 GHz, respectively.

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来源期刊

Frequenz 工程技术-工程：电子与电气

CiteScore

2.40

自引率

18.20%

发文量

审稿时长

3 months

期刊介绍： Frequenz is one of the leading scientific and technological journals covering all aspects of RF-, Microwave-, and THz-Engineering. It is a peer-reviewed, bi-monthly published journal. Frequenz was first published in 1947 with a circulation of 7000 copies, focusing on telecommunications. Today, the major objective of Frequenz is to highlight current research activities and development efforts in RF-, Microwave-, and THz-Engineering throughout a wide frequency spectrum ranging from radio via microwave up to THz frequencies. RF-, Microwave-, and THz-Engineering is a very active area of Research & Development as well as of Applications in a wide variety of fields. It has been the key to enabling technologies responsible for phenomenal growth of satellite broadcasting, wireless communications, satellite and terrestrial mobile communications and navigation, high-speed THz communication systems. It will open up new technologies in communications, radar, remote sensing and imaging, in identification and localization as well as in sensors, e.g. for wireless industrial process and environmental monitoring as well as for biomedical sensing.