Double-layer Chessboard AMC Surface for RCS Reduction in an Ultra-wide Band

Authors

  • Xueyan Song School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an, 710121, China
  • Lei Chen National Key Laboratory of Antennas and Microwave Technology Xidian University, Xi’an, 710071, China
  • Zehong Yan National Key Laboratory of Antennas and Microwave Technology Xidian University, Xi’an, 710071, China
  • Yunqi Zhang School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an, 710121, China
  • Haitao Song Complex Systems Research Center, Shanxi University Taiyuan, Shanxi, 030006, China

Keywords:

Artificial Magnetic Conductor (AMC), Radar Cross Section (RCS) reduction, ultra-wideband

Abstract

A novel chessboard surface is proposed for ultra-wideband radar cross section (RCS) reduction. The designed artificial magnetic conductor (AMC) surface is arranged by two different double-layer AMC unit cells, bringing in destructive reflection phase difference (180°±37°) in an ultra-wide band ranging from 5.8 to 16.1 GHz (94.06%). Each double-layer unit cell consists of a substrate layer loaded with metal patches and a PEC layer, in between of which is a 2- mm-thick air gap, which results in smooth phase curves of the two AMC units. One of the metal patches is composed of an octagonal ring and a Union Jack cross, and the other one is a Jerusalem cross. With chessboard arrangement by the two units, the RCS of the proposed surface can be reduced by more than 10 dB over a 90.22% frequency range (6.23-16.47 GHz) for both x and y polarizations. And the 20-dB RCS reduction frequency band ranges from 12.3 GHz to 15.9 GHz (25.5%). Then, the proposed AMC surface is fabricated and measured, and the measured 10-dB RCS reduction frequency band ranges from 6.66 to 16.42 GHz (84.58%) for x polarization and from 6.65 to 16.5 GHz (85.1%) for y polarization, which verifies that the presented AMC configuration may achieve potential applications on low-RCS platforms in an ultra-wide band.

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Author Biographies

Xueyan Song, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an, 710121, China

Xueyan Song was born in Henan Province, China, 1989. She received the B.E. degree in Electronic and Information Engineering from Xidian University, Xi’an, China, in 2012. She received the Ph.D. degree in Electromagnetic Fields and Microwave Technology from Xidian University, Xi’an, China, in 2018. She joined the School of Electronic Engineering, Xi’an University of Posts and Telecommunications in 2018. Her research interests include artificial magnetic conductors, low RCS antennas, low-profile antennas, frequency selective surfaces, and reflector antennas.

Lei Chen, National Key Laboratory of Antennas and Microwave Technology Xidian University, Xi’an, 710071, China

Lei Chen was born in Shaanxi Province, China, 1982. She received the Ph.D. degrees in Electromagnetic Fields and Microwave Technology from Xidian University, Xi’an, China, in 2010. She is an Associate Professor at Xidian University. Her research interests include retrodirective array, reflectarray and smart antenna.

Zehong Yan, National Key Laboratory of Antennas and Microwave Technology Xidian University, Xi’an, 710071, China

Zehong Yan was born in Hubei Province, China, 1964. He received the B.E. degree in Antenna and Microwave from Xidian University, Xi’an, China, in 1984. He received the Ph.D. degree in Electromagnetic Fields and Microwave Technology from Northwestern Polytechnical University, Xi’an, China, in 1996. He joined the School of Electronic Engineering, Xidian University in 1987 and was promoted to Associate Professor and Professor in 1996 and 2000, respectively, where he is currently a Doctoral Supervisor with the School of Electronic Engineering. His research interests include communication antennas, satellite tracking antennas, and microwave devices.

Yunqi Zhang, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an, 710121, China

Yun-Qi Zhang was born in BaoTou, Inner Mongolia, China. He received the Ph.D. degree from Xidian University, Xi’an, China in 2015. He is currently working in the Xi’an University of Posts & Telecommunications. From 2017 he joined the school of Physics and Optoelectronic Engineering, Xidian University, as a Post Doctor. His research interests include GPS antenna, CP antenna, omnidirectional antenna and antenna array designs

Haitao Song, Complex Systems Research Center, Shanxi University Taiyuan, Shanxi, 030006, China

Haitao Song was born in Henan Province, China, 1986. He received the Ph.D. degree in Mathematics from Harbin Institute of Technology, Harbin, China, in 2014. He was a Postdoctoral Fellowship in York University, Toronto, Canada, from 2016 to 2018. He is and Associate Professor at Shanxi University. His research interests include functional differential equations, dynamical system and theirs’ applications.

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Published

2020-07-01

How to Cite

[1]
Xueyan Song, Lei Chen, Zehong Yan, Yunqi Zhang, and Haitao Song, “Double-layer Chessboard AMC Surface for RCS Reduction in an Ultra-wide Band”, ACES Journal, vol. 35, no. 7, pp. 821–828, Jul. 2020.

Issue

2020: Vol 35 Iss 7

Section

Articles