Electromagnetic scattering and imaging simulation of extremely large-scale sea-ship scene based on GPU parallel technology

Cheng-Wei Zhang; Zhi-Qin Zhao; Wei Yang; Li-Lai Zhou; Hai-Yu Zhu

doi:10.1016/j.jnlest.2024.100257

Journal of Electronic Science and Technology ›› 2024, Vol. 22 ›› Issue (2) : 100257 DOI: 10.1016/j.jnlest.2024.100257

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Electromagnetic scattering and imaging simulation of extremely large-scale sea-ship scene based on GPU parallel technology

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^a Southwest China Institute of Electronic Technology, Chengdu, 610036, China

^b School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China

^c Tencent Company, Shenzhen, 518054, China

^* E-mail addresses: lidan6@cnooc.com.cn (C.-W. Zhang),

zqzhao@uestc.edu.cn (Z.-Q. Zhao),

wyang@uestc.edu.cn (W. Yang),

201922021931@std.uestc.edu.cn (L.-L. Zhou),

202222021904@std.uestc.edu.cn (H.-Y. Zhu).

Cheng-Wei Zhang received the B.S. degree in oil and gas storage and transportation engineering from Chongqing University of Science & Technology,Chongqing, China in 2010, and the Ph.D. degree in geological resources and geological engineering from China University of Petroleum, Beijing, China in 2019. He is currently an engineer with Southwest China Institute of Electronic Technology, Chengdu, China. His research interests include the signal and information processing and high-performance embedded computing.

Zhi-Qin Zhao received the B.S. and M.S. degrees in electronic engineering from University of Electronic Science Technology of China (UESTC), Chengdu, China in 1990 and 1993, respectively. He earned the Ph.D. degree in electrical engineering from Oklahoma State University, Stillwater, USA in 2002. He is currently a professor with the School of Electronic Science and Engineering, UESTC. He is a Phi Kappa Phi Honor Society member and an associate editor for IEEE Transactions on Geoscience and Remote Sensing. His research interests include computational electromagnetics and signal processing.

Wei Yang received the B.S. degree in electronic information engineering from Sichuan University,Chengdu, China in 2007, and the Ph.D. degree in electromagnetic wave and microwave technology from UESTC in 2012. He is currently an associate professor with UESTC. He has published more than 40 journal papers and holds 10 patents. His research interests include computational electromagnetics and electromagnetic compatibility.

Li-Lai Zhou received the B.S. degree in aerospace control and communication information engineering from Hunan City University, Yiyang, China in 2019, and the M.S. degree in electromagnetic wave and microwave technology from UESTC in 2022. He is currently a software engineer in Tencent Company, Shenzhen, China. His research interest is GPU parallel computing.

Hai-Yu Zhu. received the B.S. degree in electronic information engineering from National University of Defense Technology, Changsha, China in 2022. He is currently pursuing his Ph.D. degree with UESTC. His research interests include computational electromagnetics and radar target detecting.

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Abstract

Aiming to solve the bottleneck problem of electromagnetic scattering simulation in the scenes of extremely large-scale seas and ships, a high-frequency method by using graphics processing unit (GPU) parallel acceleration technique is proposed. For the implementation of different electromagnetic methods of physical optics (PO), shooting and bouncing ray (SBR) and physical theory of diffraction (PTD), a parallel computing scheme based on the central processing unit (CPU)-GPU parallel computing scheme is realized to balance computing tasks. Finally, a multi-GPU framework is further proposed to solve the computational difficulty caused by the massive number of ray tubes in the ray tracing process. By using the established simulation platform, signals of ships at different seas are simulated and their images are achieved as well. It is shown that the higher sea states degrade the averaged peak signal-to-noise ratio (PSNR) of radar image.

Keywords

Multi graphics processing unit / Radar imaging / Sea-ship / Shooting and bouncing rays

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Cheng-Wei Zhang, Zhi-Qin Zhao, Wei Yang, Li-Lai Zhou, Hai-Yu Zhu. Electromagnetic scattering and imaging simulation of extremely large-scale sea-ship scene based on GPU parallel technology. Journal of Electronic Science and Technology, 2024, 22(2): 100257 DOI:10.1016/j.jnlest.2024.100257

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Funding

This work was supported by the Opening Foundation of the Agile and Intelligence Computing Key Laboratory of Sichuan Province under Grant No. H23004; the Chengdu Municipal Science and Technology Bureau Technological Innovation R&D Project (Key Project) under Grant No. 2024-YF08-00106-GX.

Declaration of competing interest

The authors declare the following personal relationships which may be considered as competing interests: Li-Lai Zhou is currently employed by Tencent Company, Shenzhen, China. Other authors declare that there are no competing interests.

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