矩形中心槽和圆形地槽贴片天线在圆极化合成孔径雷达(CP-SAR)中的应用

IF 6.7 1区计算机科学 Q1 Physics and Astronomy

Progress in Electromagnetics Research-Pier Pub Date : 2017-01-01 DOI:10.2528/PIER17082903

F. Kurniawan, J. Sumantyo, K. Ito, H. Kuze, S. Gao

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引用次数: 16

摘要

本文介绍了一种用于合成孔径雷达(SAR)的圆极化天线。提出了一种适用于机载SAR和星载SAR的天线。为了提高天线的带宽，在地平面和贴片中心的方形缝隙中采用了环形缝隙技术。在该天线的设计中，还研究了辐射槽的模型。该天线印刷在NPC-H220A衬底上，介质常数为2.17，厚度为1.6 mm。天线设计的谐振频率设定为9.4 GHz，最低带宽要求为800mhz。该天线设计在−10 dB带宽下产生反射系数，S11约为27% (8.2 GHz - 10.76 GHz)和左旋圆极化(LHCP)。天线的增益为6.5 dBic，轴比带宽(ARBW)为12.7% (8.8 GHz - 9.84 GHz)。本文包括对完成的讨论的描述和介绍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Patch Antenna Using Rectangular Centre Slot and Circular Ground Slot for Circularly Polarized Synthetic Aperture Radar (CP-SAR) Application

In this paper, a circularly polarized antenna for Synthetic Aperture Radar (SAR) application is presented. The antenna is proposed to be implemented for the airborne SAR and the spaceborne SAR. To enhance the bandwidth of the antenna, the Circular-Ring-Slot (CRS) technique is implemented on the ground plane and in a square slot in the centre of the patch. In this antenna’s design, the model of the slot on the radiator is also investigated. The antenna is printed on NPC-H220A substrates with the dielectric constant of 2.17 and thickness of 1.6 mm. The resonant frequency of the antenna design sets at 9.4 GHz with the minimum requirement of the bandwidth of 800 MHz. The antenna design is produced under the −10 dB bandwidth of reflection coefficient, S11 of approximately 27% (8.2 GHz–10.76 GHz) and left-handed circular polarization (LHCP). The gain of the antenna is 6.5 dBic and 12.7% (8.8 GHz–9.84 GHz) for the axial ratio bandwidth (ARBW). This paper includes the description and presentation of the completed discussion.

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来源期刊

Progress in Electromagnetics Research-Pier 物理-电信学

CiteScore

7.20

自引率

3.00%

发文量

审稿时长

1.3 months

期刊介绍： Progress In Electromagnetics Research (PIER) publishes peer-reviewed original and comprehensive articles on all aspects of electromagnetic theory and applications. This is an open access, on-line journal PIER (E-ISSN 1559-8985). It has been first published as a monograph series on Electromagnetic Waves (ISSN 1070-4698) in 1989. It is freely available to all readers via the Internet.