Agile design of cross-section enhancement of a conducting plate radar  through active metasurface

Wang Sihao; Liao Cheng; Shang Yuping; Zhang Runwu

doi:10.11884/HPLPB202133.200331

Volume 33 Issue 4

May 2021

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Wang Sihao, Liao Cheng, Shang Yuping, et al. Agile design of cross-section enhancement of a conducting plate radar through active metasurface[J]. High Power Laser and Particle Beams, 2021, 33: 043002. doi: 10.11884/HPLPB202133.200331

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Wang Sihao, Liao Cheng, Shang Yuping, et al. Agile design of cross-section enhancement of a conducting plate radar through active metasurface[J]. High Power Laser and Particle Beams, 2021, 33: 043002. doi: 10.11884/HPLPB202133.200331

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Agile design of cross-section enhancement of a conducting plate radar through active metasurface

doi: 10.11884/HPLPB202133.200331

Institute of Electromagnetic Field and Microwave Technology, Southwest Jiaotong University, Chengdu 610031, China

Received Date: 2020-12-10
Rev Recd Date: 2021-02-25

Available Online: 2021-03-11

Publish Date: 2021-05-02

Abstract

Abstract

The design concept of employing the dynamically reconfigurable scattering pattern to enhance radar cross-section is proposed and examined. In combination with varactor loading, a physical unit cell geometry with an embedded bias network for the varactors is utilized to build the metasurface. Biased by an applied direct-current source with voltage gradient, the proposed active metasurface can exhibit electrically tunable reflection phase distributions for either normal or oblique incidence plane wave, so as to achieve flexible redirection of the angle of reflection. As a result, the agile effect for monostatic or bistatic cross-section enhancement is then facilitated. Taking a conducting plate as an example, three different incidence and reflection scenarios are considered for calculation and full-wave simulation. Reconfigurable scattering patterns produced at the operating frequency of 10 GHz by the presented design are observed, which indicates its capability of real-time control of the angle of reflection. In conjunction with an experimental measurement, the effective enhancement of monostatic and bistatic cross-sections are validated.
- monostatic scattering,
- bistatic scattering,
- active metasurface,
- reconfigurable pattern

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References(44)

References

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