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采用寄生介质螺旋的圆极化3D打印圆柱形介质谐振天线。

Circular polarized 3D-printed cylindrical DRA using parasitic dielectric helix.

作者信息

Diaz Sebastian, Diaz Marcos, Rajo-Iglesias Eva, Pizarro Francisco

机构信息

Escuela de Ingeniería Eléctrica, Pontificia Universidad Católica de Valparaíso, 2362804, Valparaiso, Chile.

Space and Planetary Exploration Laboratory (SPEL), Electrical Engineering Department, Faculty of Physical and Mathematical Sciences, University of Chile, 8370448, Santiago, Chile.

出版信息

Sci Rep. 2023 Jul 22;13(1):11838. doi: 10.1038/s41598-023-39098-2.

DOI:10.1038/s41598-023-39098-2
PMID:37481682
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10363132/
Abstract

This article presents a 3D-printed cylindrical dielectric resonator antenna operating at 5.8 GHz that achieves circular polarization by integrating a fully dielectric parasitic helix with a higher permittivity than the cylindrical resonator. The antenna polarization can be right-handed or left-handed depending on the turning sense of the helix. An extensive parametric study was done for the helix design to evaluate the effects of the dimensions and dielectric constant of the helix over the matching and axial ratio of the antenna. The manufacturing is made using low-loss dielectric filaments and a low-cost 3D printer. Simulation and measurement results show that both antennas are well-matched and operate with the corresponding circular polarization, with an axial ratio bandwidth compatible with UAV applications.

摘要

本文介绍了一种工作在5.8 GHz的3D打印圆柱形介质谐振器天线，该天线通过将一个介电常数高于圆柱形谐振器的全介质寄生螺旋结构集成在一起实现圆极化。天线的极化可以是右旋或左旋，这取决于螺旋结构的旋转方向。针对螺旋结构设计进行了广泛的参数研究，以评估螺旋结构的尺寸和介电常数对天线匹配和轴比的影响。该天线采用低损耗介电丝和低成本3D打印机制造。仿真和测量结果表明，这两种天线都具有良好的匹配性，并以相应的圆极化方式工作，其轴比带宽与无人机应用兼容。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/939f3fb17ef4/41598_2023_39098_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/dd58006362a8/41598_2023_39098_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/d006f2f6950e/41598_2023_39098_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/38526083a9c9/41598_2023_39098_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/0038dbf026e3/41598_2023_39098_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/4b3e4c423227/41598_2023_39098_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/bb12abd82b70/41598_2023_39098_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/38352d8f7424/41598_2023_39098_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/8a6fbec363be/41598_2023_39098_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/6b8dcf6a733b/41598_2023_39098_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/c01743ff7678/41598_2023_39098_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/32bc522b3c47/41598_2023_39098_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/939f3fb17ef4/41598_2023_39098_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/dd58006362a8/41598_2023_39098_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/d006f2f6950e/41598_2023_39098_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/38526083a9c9/41598_2023_39098_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/0038dbf026e3/41598_2023_39098_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/4b3e4c423227/41598_2023_39098_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/bb12abd82b70/41598_2023_39098_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/38352d8f7424/41598_2023_39098_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/8a6fbec363be/41598_2023_39098_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/6b8dcf6a733b/41598_2023_39098_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/c01743ff7678/41598_2023_39098_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/32bc522b3c47/41598_2023_39098_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd0/10363132/939f3fb17ef4/41598_2023_39098_Fig12_HTML.jpg

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本文引用的文献

1
High gain low profile horn array with circular polarization using a 3D printed anisotropic dielectric composite material at 38 GHz.采用3D打印各向异性介电复合材料的38GHz高增益低剖面圆极化喇叭天线阵列
Sci Rep. 2022 Nov 8;12(1):18944. doi: 10.1038/s41598-022-23441-0.