Analysis of EM Properties of High-speed Moving Cone-sphere Target Coated with Plasma Sheath based on Lorentz-FDTD Method

Authors

  • Xian-Min Guo Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China
  • Hai-Yan Li Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China
  • Yong Bo 1) Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China 2) East China Research Institute of Electronic Engineering, Hefei, 230600, China
  • Wei Chen Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China
  • Li-Xia Yang Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China
  • Zhi-Xiang Huang Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China
  • An-Qi Wang Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390209

Keywords:

Electromagnetic (EM) scattering, finite difference time domain (FDTD), moving plasma, relativistic effects

Abstract

The study of the interaction between moving plasma-coated objects and electromagnetic (EM) waves is the essential factor for the EM problems of high-speed targets. In this paper, the physical model of a moving dispersive medium is developed based on the principle of special relativity to study the EM properties of high-speed moving targets coated with plasma sheath. First, the Lorentz transform is used to introduce the incident plane wave into moving frame. Second, based on the proposed EM model, the EM problems are solved in moving frame by the shift-operator (SO) FDTD numerical algorithm. Finally, the EM results are further converted back into the laboratory frame to analyze the scattered properties of high-speed plasma coated objects. The validity of the proposed algorithm is verified by comparison with the reference solution. On this basis, the influence of relativistic effects produced by the motion of the object and the EM properties of the plasma on the scattering fields of high-speed targets are investigated. This work expands the applicability of the FDTD method and provides a theoretical foundation for solving the scattering properties of high-speed plasma-coated complex shape objects through numerical methods.

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Author Biographies

Xian-Min Guo, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

Xian-Min Guo was born in Xian-yang City, Shanxi Province, China, in 1999. She received the B.S. degree in electronic information engineering from Shandong University of Technology, Zibo, China, in 2021. She is currently working toward the master’s degree in electromagnetic field and microwave technology of Electronic Information with the School of Electronic Information Engineering, Anhui University, Hefei, China.

Her current research interest is computational electromagnetism and plasma physics.

Hai-Yan Li, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

Hai-Yan Li was born in Huaibei City, Anhui Province, China, in 1999. She received the B.S. degree in electronic information engineering from Huainan Normal University, Huainan, China, in 2021. She is currently working toward the master’s degree in electromagnetic field and microwave technology of Electronic Information with the School of Electronic Information Engineering, Anhui University, Hefei, China.

Her current research interest is computational electromagnetism.

Yong Bo, 1) Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China 2) East China Research Institute of Electronic Engineering, Hefei, 230600, China

Yong Bo was born in Shandong Province, China, on November 11, 1989. He received the B.S. degree in Shandong University of Science and Technology, Qingdao, China, in 2012, and the Ph.D. degree from the Center for Information Geoscience, University of Electronic Science and Technology of China, Chengdu, China.

He is currently a lecturer with the University of Anhui, Hefei, China. The main subjects of his interest include computational electromagnetic, wave propagation in plasmas, and low temperature plasma technology and application.

Wei Chen, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

Wei Chen was born in Jiangsu Province, China, in 1987. He received the B.S. and M.S. degrees from Jiangsu University, Jiangsu, China, in 2010 and 2013, respectively, and the Ph.D. degree from Xidian University, Xi’an, China, in 2018.

He is currently a lecturer with the School of Electronics and Information Engineering, Anhui University, Hefei, China. His current research interests include numerical methods in electromagnetic scattering from plasma and wave propagation in complex systems.

Li-Xia Yang, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

Li-Xia Yang was born in Ezhou, Hubei, China, in 1975. He received the B.S. degree in physics from Hubei University, Wuhan, China, in 1997, and the Ph.D. degree in radio physics from Xidian University, Xi’an, China, in 2007.

Since 2010, he has been an associate professor with the Communication Engineering Department, Jiangsu University, Zhenjiang, China. From 2010 to 2011, he was a postdoctoral research fellow with the Electro Science Laboratory (ESL), Ohio State University, Columbus, OH, USA. From 2015 to 2016, he was a visiting scholar with the Institute of Space Science, University of Texas at Dallas, Dallas, TX, USA. From 2016 to 2019, he was a professor, a Ph.D. supervisor, and the chairman of the Communication Engineering Department, Jiangsu University. Since 2020, he has been a distinguished professor, a Ph.D. supervisor, and the vice dean with the School of Electronic and Information Engineering, Anhui University, Hefei, China. His research interests include wireless communication technique, radio sciences, computational electromagnetics, and the antenna theory and design in wireless communication systems. He is a member of the Editorial Board of Radio Science Journal in China.

Zhi-Xiang Huang, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

Zhi-Xiang Huang was born in Anhui, China, in 1979. He received the B.S. and Ph.D. degrees from Anhui University, Hefei, China, in 2002 and 2007, respectively. He was a visiting scholar with Iowa State University, USA, from September 2010 to September 2011. From August 2013 to October 2013, he was a visiting professor with The University of Hong Kong. From February 2014 to February 2015, he was a visiting professor with the Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences. He has published one monograph on the symplectic finite-difference time-domain method and two book chapters at CRC Press and In Tech Publishers. He has published 60 peer-reviewed journal articles included in the Web of Science Core Collection. His current research interests include time-domain numerical methods, metamaterials, and active metamaterials. He is a member of the OSA. In 2015, he was awarded the second prize of Science and Technology from the Anhui Province Government, China, and the National Science Foundation for Outstanding Young Scholar of China, in 2017.

An-Qi Wang, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China

An-Qi Wang was born in Anhui, China, in 1986. She received the B.S. and Ph.D. degrees from Xidian University, Xi’an, China, in 2007 and 2013, respectively. Her current research interests include computational electromagnetics and the electromagnetic wave scattering characteristics of rough surface and targets.

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Published

2024-02-29

How to Cite

[1]
X.-M. Guo, “Analysis of EM Properties of High-speed Moving Cone-sphere Target Coated with Plasma Sheath based on Lorentz-FDTD Method”, ACES Journal, vol. 39, no. 02, pp. 156–168, Feb. 2024.

Issue

2024: Vol 39 Iss 2

Section

ACES-Monterey 2023

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