A Hybrid MoM-PO Method Combining ACA Technique for Electromagnetic Scattering from Target above a Rough Surface

Authors

  • J. Chen Institute of Aviation Equipment, Naval Academy of Armament, Shanghai, 200436, P. R. China , Department of Electronic and Information Engineering, Naval Aeronautical Engineering Institute, Yantai, 264001, P. R. China
  • M. Zhu Department of Electronic and Information Engineering, Naval Aeronautical Engineering Institute, Yantai, 264001, P. R. China
  • M. Wang Department of Ordnance Science and Technology, Naval Aeronautical Engineering Institute, Yantai, 264001, P. R. China
  • S. Li Department of Electronic and Information Engineering, Naval Aeronautical Engineering Institute, Yantai, 264001, P. R. China
  • X. Li Department of Electronic and Information Engineering, Naval Aeronautical Engineering Institute, Yantai, 264001, P. R. China

Keywords:

Adaptive cross approximation (ACA), electromagnetic scattering, MoM-PO, rough surface

Abstract

In this paper, an efficient hybrid method of moments (MoM)-physical optics (PO) method combining adaptive cross approximation (ACA) technique is applied to calculate the electromagnetic scattering from three-dimensional (3-D) target and rough surface composite model. The current on the rough surface is obtained through the PO approximation, while the current on the target surface is obtained through the MoM. Furthermore, an ACA technique is used to accelerate the coupling interaction between the target and the rough surface. Numerical results demonstrate that the memory and time cost can be substantially reduced without losing precision by applying the hybrid method, and which can be used to analyze large scale target/rough surface scattering problems.

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Published

2021-09-03

How to Cite

[1]
J. . Chen, M. . Zhu, M. . Wang, S. . Li, and X. . Li, “A Hybrid MoM-PO Method Combining ACA Technique for Electromagnetic Scattering from Target above a Rough Surface”, ACES Journal, vol. 29, no. 04, pp. 301–306, Sep. 2021.

Issue

2014: Vol 29 Iss 4

Section

General Submission