An Ultrawideband Stacked Structure Metasurface Incorporating Rotational Slots for the Reduction of Backward RCS

IF 0.9 4区 工程技术 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Boli Su, Ke Guan, An Qian, Jianxian Cai, Lanying Zhao
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引用次数: 0

Abstract

In this letter, an ultrawideband stacked structure metasurface is designed to minimize the backward RCS across a frequency range of 5–40 GHz. The stack structure design demonstrated a maximum RCS reduction at 19 GHz, achieving an impressive reduction of 18.11 dBsm compared to a PEC of the same dimensions. The proposed metasurface exhibits the capability to scatter incident plane waves in various directions under both normal and oblique incidence conditions. Additionally, the calculated quantized encoding phase can facilitate further RCS reductions of 3–6 dBsm within the frequency range of 8–25 GHz. Consequently, this work effectively designs and promotes research on low RCS metasurfaces across different frequencies.

Abstract Image

一种结合旋转槽的超宽带堆叠结构超表面,用于减少反向RCS
在这封信中,设计了一种超宽带堆叠结构超表面,以最小化5-40 GHz频率范围内的反向RCS。与相同尺寸的PEC相比,该堆栈结构设计在19 GHz时最大限度地降低了RCS,实现了18.11 dBsm的显著降低。所提出的超表面显示出在正入射和斜入射条件下向各个方向散射入射平面波的能力。此外,计算出的量化编码相位可以在8-25 GHz频率范围内进一步降低3-6 dBsm的RCS。因此,这项工作有效地设计和促进了不同频率的低RCS元表面的研究。
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来源期刊
CiteScore
4.00
自引率
23.50%
发文量
489
审稿时长
3 months
期刊介绍: International Journal of RF and Microwave Computer-Aided Engineering provides a common forum for the dissemination of research and development results in the areas of computer-aided design and engineering of RF, microwave, and millimeter-wave components, circuits, subsystems, and antennas. The journal is intended to be a single source of valuable information for all engineers and technicians, RF/microwave/mm-wave CAD tool vendors, researchers in industry, government and academia, professors and students, and systems engineers involved in RF/microwave/mm-wave technology. Multidisciplinary in scope, the journal publishes peer-reviewed articles and short papers on topics that include, but are not limited to. . . -Computer-Aided Modeling -Computer-Aided Analysis -Computer-Aided Optimization -Software and Manufacturing Techniques -Computer-Aided Measurements -Measurements Interfaced with CAD Systems In addition, the scope of the journal includes features such as software reviews, RF/microwave/mm-wave CAD related news, including brief reviews of CAD papers published elsewhere and a "Letters to the Editor" section.
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