Dual-Polarized, Low-RCS Wideband Fabry-Pérot Antenna Utilizing a 3D-Printed Stepped Absorbing Structure

Authors

  • Zhixin Lei School of Information Engineering Nanchang University, Nanchang 330031, China
  • Zhiming Liu School of Information Engineering Nanchang University, Nanchang 330031, China
  • Hao Xu School of Information Engineering Nanchang University, Nanchang 330031, China
  • Huilin Zhou School of Information Engineering Nanchang University, Nanchang 330031, China
  • Fei Wang Fujian Key Laboratory of Special Energy Manufacturing Huaqiao University, Xiamen 361021, China
  • Yuxuan Huang School of Information Engineering Nanchang University, Nanchang 330031, China

DOI:

https://doi.org/10.13052/2025.ACES.J.401007

Keywords:

3D printing technology, Fabry-Pérot antenna, partially reflective surface, radar cross section

Abstract

A dual-polarized Fabry-Pérot (FP) antenna with ultra-wideband radar cross section (RCS) reduction using 3D printing technology is proposed. The proposed antenna consists of a dual-polarized primary antenna and a partially reflective surface (PRS) loaded with reflective surface (RS) and 3D-printed stepped absorbing structure (3D-PSAS). The combination of the RS and the 3D-PSAS effectively reduces the RCS of the FP antenna and maintains the gain of the antenna. Meanwhile, the proposed antenna can be used in the construction of stealth systems. Both the simulated results and the measured results verify the reliability of the design. The FP antenna owns 10-dB RCS reduction bands cover 3.0∼3.8 GHz and 6∼15 GHz, with a peak RCS reduction of 27 dB at 12.5 GHz. In the radiation, it owns a 10-dB return-loss bandwidth of 4.64–5.64 GHz (19.4%) and 4.76–5.61 GHz (16.3%) respectively in X polarization and Y polarization modes, with a maximum realized gain of 12.4 dBi at 4.9 GHz.

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Author Biographies

Zhixin Lei, School of Information Engineering Nanchang University, Nanchang 330031, China

Zhixin Lei received a B.S. degree from Nanchang University, China, in 2023. He is currently pursuing the M.S. degree at Nanchang University. His current research interests include lens antennas based on phase gradient metasurfaces and RCS reduction.

Zhiming Liu, School of Information Engineering Nanchang University, Nanchang 330031, China

Zhiming Liu, born in 1989, received a B.S degree from East China University of Technology, China, in 2012, a M.S. degree from Nanchang University in 2015, and a Ph.D. degree from Nanjing University of Aeronautics and Astronautics in 2019. His current research interests include electromagnetic metamaterial device design and application, microwave component and system design, and antenna design.

Hao Xu, School of Information Engineering Nanchang University, Nanchang 330031, China

Hao Xu received a B.S. degree from East China Jiaotong University, China, in 2022. He is currently pursuing a M.S. degree at Nanchang University. His current research interests include Fabry-Perot antenna and RCS reduction.

Huilin Zhou, School of Information Engineering Nanchang University, Nanchang 330031, China

Huilin Zhou was born in Jiangxi in 1979. He received M.S. degree and Ph.D. degrees from Wuhan University, China, in 2002 and 2006. His current research interests include artificial intelligence medical image processing and ultra-wideband radar signal processing.

Fei Wang, Fujian Key Laboratory of Special Energy Manufacturing Huaqiao University, Xiamen 361021, China

Fei Wang was born in 1979. He received the Ph.D. degree from Huaqiao University, Quanzhou, China, in 2010. His research interests include special energy field assisted 3D printing and preparation of integrated structural and functional metamaterials based on 3D printing.

Yuxuan Huang, School of Information Engineering Nanchang University, Nanchang 330031, China

Yuxuan Huang received the B.S. degree in Communication Engineering from Nanchang University, China, in 2024. She is currently pursuing a M.S. degree at Nanchang University. Her research interests include antenna design for wireless communication systems.

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Published

2025-10-30

How to Cite

[1]
Z. . Lei, Z. . Liu, H. . Xu, H. . Zhou, F. . Wang, and Y. . Huang, “Dual-Polarized, Low-RCS Wideband Fabry-Pérot Antenna Utilizing a 3D-Printed Stepped Absorbing Structure”, ACES Journal, vol. 40, no. 10, pp. 1021–1029, Oct. 2025.

Issue

2025: Vol 40 Iss 10

Section

General Submission

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