用于立方体卫星的低轮廓双频圆极化共享孔径网格-贴片/法布里-珀罗天线

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-07-10 DOI:10.1109/LAWP.2025.3587295

Minh Quang Nguyen;Khac Kiem Nguyen;Son Xuat Ta

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引用次数: 0

摘要

提出了一种适用于立方体卫星的低轮廓双频圆极化共享孔径栅格-贴片/法布里-珀罗天线。导电网格层与周期性超表面结合，作为低轮廓法布里-珀罗谐振腔的部分反射表面（PRS）。开槽圆形贴片用作法布里-珀罗天线的馈源，在X波段产生高增益CP辐射。PRS的网格层在$L$波段作为贴片辐射器重用，该贴片辐射器设计为截断角来产生CP辐射。所提出的天线在无气隙的三层基板上实现，以获得坚固的结构。一个整体尺寸为98 mm × 3.94 mm的原型机在1.230 GHz至1.242 GHz和8.0 GHz至8.4 GHz范围内实现了右侧CP辐射，隔离度为20 dB。注意到两个波段的频率和极化可以很容易地通过使用相同的设计概念进行调整。

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A Low-Profile Dual-Band Circularly Polarized Shared-Aperture Grid-Patch/Fabry–Perot Antenna for CubeSat Applications

A dual-band circularly polarized (CP) shared-aperture grid-patch/Fabry–Perot antenna with a low profile is presented for CubeSat applications. A conducting grid layer is incorporated with a periodic metasurface to act as a partially reflective surface (PRS) of the low-profile Fabry–Perot resonant cavity. A slotted circular patch is used as the feed of the Fabry–Perot antenna to produce high-gain CP radiation in the

$X$

band. The grid layer of the PRS is reused as a patch radiator in the

$L$

band, which is designed with truncated corners to generate CP radiation. The proposed antenna is implemented on a three-layer substrate without air-gap for a sturdy structure. A fabricated prototype with overall size of

$\text{98 mm} \times \text{98 mm} \times \text{3.94}$

mm achieves right-hand CP radiation within 1.230 GHz to 1.242 GHz and 8.0 GHz to 8.4 GHz with an isolation

$\ge$

20 dB. Noting that the frequencies and polarization of the two bands can be easily adjusted by using the same design concept.

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.