用于S和c波段应用的扩展轴比波束宽度的紧凑型双极化超表面天线

2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science Pub Date : 2020-08-01 DOI:10.23919/URSIGASS49373.2020.9232163

M. Ameen, R. Chaudhary

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引用次数: 0

摘要

本文讨论了一种基于人工传输线(ATL)的超材料(MTM)结构的三波段双极化高增益圆极化(CP)天线的设计。为了提高增益和扩展轴向比波束宽度，在辐射三波段天线下方放置了一种新型的多波段人工磁导体超表面。因此，阻抗带宽(IBW)、增益和AR波束宽度都得到了提高。预期天线的整体尺寸为$0.36\lambda_{0}\times 0.36\lambda_{0}\times 0.10\lambda_{0}$ at2.57 GHz。此外，该天线能够提供正增益值，并在2.45 GHz时将theta $=\pm 58^{0}$和$\phi=0^{0}$的AR波束宽度扩展到3600。因此，该天线适用于S和C波段的小卫星应用。

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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Compact Dual-Polarized Metasurface Antenna with Extended Axial Ratio Beamwidth for S and C-band Applications

This work discusses the design of a triple-band and dualpolarized high gain circularly polarized (CP) antenna based on artificial transmission line (ATL) based metamaterial (MTM) structures. To enhance the gain and extend the axial ratio (AR) beamwidth, a new multi-band artificial magnetic conductor (AMC) based metasurface (MS) is placed below the radiating triple-band antenna. Due to this, the impedance bandwidth (IBW), gain and AR beamwidth is enhanced. The intended antenna provides overall dimensions of $0.36\lambda_{0}\times 0.36\lambda_{0}\times 0.10\lambda_{0}$ at2.57 GHz. Also, the antenna is capable of providing positive gain value and extended AR beamwidth for theta $=\pm 58^{0}$ and $\phi=0^{0}$ to 3600 at 2.45 GHz. Hence the intended antenna is suitable for working in small satellite applications at S and C bands.

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2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science

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