A Novel PO Solver for Uncertainty EM Computation of Electrically Large Targets

Authors

  • Yong Chen School of Physics, Beijing Institute of Technology, Beijing, 100081, China ,2 Science and Technology on Electromagnetic Scattering Laboratory, Beijing, 100854, China
  • Zhao-Guo Hou Science and Technology on Electromagnetic Scattering Laboratory, Beijing, 100854, China
  • Hong-Cheng Yin Science and Technology on Electromagnetic Scattering Laboratory, Beijing, 100854, China
  • Ru-Shan Chen Nanjing University of Science and Technology, Nanjing, 210094, China

Keywords:

Electromagnetic scattering, perturbation approach, PO, varying geometric shape

Abstract

A novel PO method is proposed to analyze the uncertain scattering problems. The algorithm starts with modeling the target with a variable shape by using the non-uniform rational B-spline (NURBS) scheme. Then the scattering far-field is expressed in terms of the variable parameters in NURBS. It should be noted that the perturbation approach is applied to describe the uncertainty of the varying shapes. Compared with the traditional Monte Carlo (MC) method, only a few matrix equations are needed to be solved, so the efficiency will increase greatly. At last, several numerical examples are given to validate the accuracy and efficiency of the proposed method.

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Author Biographies

Yong Chen, School of Physics, Beijing Institute of Technology, Beijing, 100081, China ,2 Science and Technology on Electromagnetic Scattering Laboratory, Beijing, 100854, China

Yong Chen was born in Tianmen, Hubei Province, China, in 1983. He received the B.S. degree from WuHan University in 2005, and the M.S. degree in Electromagnetic Field and Microwave Technology from the graduate school of Second Academy, China Aerospace Science &Industry Corporation in 2008. He is currently working towards the Ph.D. degree in Physics at Beijing Institute of Technology. He is a Senior Engineer at Science and Technology on Electromagnetic Scattering Laboratory. His research interest includes the electromagnetic scattering modeling and radar signal simulation.

Zhao-Guo Hou, Science and Technology on Electromagnetic Scattering Laboratory, Beijing, 100854, China

Zhaoguo Hou was born in Dingxi, Gansu Province, China, in 1983. He received the B.S. degree from Beijing Institute of Technology in 2005, the M.S. degree in condensed matter Physics from Beijing Institute of Technology in 2007, and the Ph.D. degree in Electromagnetic Field and Microwave Technology from Communication University of China in 2011. He is a Senior Engineer at Science and Technology on Electromagnetic Scattering Laboratory. His research interests include computational electromagnetics and radar signal simulation.

Hong-Cheng Yin, Science and Technology on Electromagnetic Scattering Laboratory, Beijing, 100854, China

Hong-Cheng Yin was born in Jiangxi, China. He received the B.S. degree from Northwest Telecommunication Engineering Institute, Xi’an, China, in 1986, the M.S. degree from Beijing Institute of Environmental Features (BIEF), Beijing, China, in 1989, and the Ph.D. degree from Southeast University, Nanjing, China, in 1993, all in Electromagnetic Field and Microwave Technique. He is currently a Researcher at the Science and Technology on Electromagnetic Scattering Laboratory, BIEF. His research interests include numerical methods in electromagnetic fields, electromagnetic scattering and inverse scattering, radar target recognition. Yin is a Fellow of Chinese Institute of Electronics.

Ru-Shan Chen, Nanjing University of Science and Technology, Nanjing, 210094, China

Ru Shan Chen was born in Jiangsu, China. He received the B.Sc. and M.Sc. degrees from the Department of Radio Engineering, Southeast University, China, in 1987 and 1990, respectively, and the Ph.D. degree from the Department of Electronic Engineering, City University of Hong Kong, in 2001. He joined the Department of Electrical Engineering, Nanjing University of Science and Technology (NJUST), China, where he became a Teaching Assistant in 1990 and a Lecturer in 1992. Since September 1996, he has been a Visiting Scholar with the Department of Electronic Engineering, City University of Hong Kong, first as Research Associate, then as a Senior Research Associate in July 1997, a Research Fellow in April 1998, and a Senior Research Fellow in 1999. From June to September 1999, he was also a Visiting Scholar at Montreal University, Canada. In September 1999, he was promoted to Full Professor and Associate Director of the Microwave and Communication Research Center in NJUST, and in 2007, he was appointed as the Head of the Department of Communication Engineering, NJUST. He was appointed as the Dean in the School of Communication and Information Engineering, Nanjing Post and Communications University in 2009. And in 2011 he was appointed as Vice Dean of the School of Electrical Engineering and Optical Technique, NJUST. Currently, he is a principal investigator of more than 10 national projects. His research interests mainly include computational electromagnetics, microwave integrated circuit and nonlinear theory, smart antenna in communications and radar engineering, microwave material and measurement, RF-integrated circuits, etc. He has authored or coauthored more than 260 papers, including over 180 papers in international journals.

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Published

2020-07-01

How to Cite

[1]
Yong Chen, Zhao-Guo Hou, Hong-Cheng Yin, and Ru-Shan Chen, “A Novel PO Solver for Uncertainty EM Computation of Electrically Large Targets”, ACES Journal, vol. 35, no. 7, pp. 750–757, Jul. 2020.

Issue

2020: Vol 35 Iss 7

Section

General Submission