A wideband dual-circularly polarized traveling wave antenna array-Reference-Cited by-同舟云学术

A wideband dual-circularly polarized traveling wave antenna array

Published:2021-12-01 Issue:6 Volume:72 Page:407-412
ISSN:1339-309X
Container-title:Journal of Electrical Engineering
language:en
Short-container-title:

Author:

Li Jia-Lin¹²,Wang Long-Jie¹,Liu Jin¹,Song Kexin³,Jin Ye³,Twumasi Baidenger Agyekum⁴⁵

Affiliation:

1. School of Physics , University of Electronic Science and Technology of China , Chengdu , China

2. State Key Laboratory of Millimeter Waves , Southeast University , Nanjing 210096 , China

3. Shanghai Aerospace Electronic Technology Institute , shanghai , China

4. School of Resources and Environment , University of Electronic Science and Technology of China , Chengdu , China

5. Electrical/Electronic Engineering Department , Ho Technical University , Ho , Ghana

Abstract

Abstract A dual-circularly polarized traveling wave antenna based on linear polarization array with wideband response is proposed. The circular polarization is realized by the sequential rotation arrangement of four linear polarization elements and series feeding with a phase difference 90°. Rotating four of such subarrays sequentially with a phase difference of 90° not only broadens the axial ratio (AR) bandwidth but also corrects the pattern beam deflection. Left-handed circular polarization (LHCP) and right-handed circular polarization (RHCP) are respectively achieved by exciting two different ports. The measured impedance bandwidth of the developed antenna array is 27.5 %. The 3-dB AR bandwidths of RHCP and LHCP are respectively 20.7 % and 22.4 % with the peak gains of about 8.7 and 8.3 dBic.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/jee-2021-0058

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