Design and Analysis of Multi-Mode Distributed Array with Hybrid Optimization Method

Authors

  • Shutao Fang School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China
  • Weiming Li School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China
  • Wu Ren School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China
  • Zhenghui Xue School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China

DOI:

https://doi.org/10.13052/2021.ACES.J.361203

Keywords:

Distributed Array Synthesis, Grating Lobe Suppression, Differential Evolution Algorithm, PSO Optimization Algorithm, Convex Optimization

Abstract

In this paper, we presented an improved hybrid optimization method to construct distributed array with two identical sub-arrays, which is mainly applied on airplanes as the front-end of communication and detection system. According to different demands on array’s gain and operating distances, the proposed method presents a scheme of implementation of two operate modes by optimizing elements’ positions and excitations. Two sub-arrays are able to work together to realize high gain when the object is quite far away, and one sub-array is able to work alone when the object is relatively close. This method is presented based on Particle Swarm Optimization (PSO) method and convex method, accomplishing that peak sidelobe level (PSLL) of whole array is lowered under -10 dB, and PSLLs of sub-arrays are lowered under -20 dB by supplementing some auxiliary units and re-optimizing array’s excitation distribution. In the procedure of optimization, the hybrid method is designed catering to multiple constraints according to the requirements of practical application. A specific example for synthesizing reconfigurable distributed array is provided and the sensitivity of obtained performance affected by interference of optimized results is discussed.

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Author Biographies

Shutao Fang, School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China

Shutao Fang received the B.S. degree in Information and Electronics from Beijing Institute of Technology, Beijing, China, in 2017. He is currently pursuing the Ph.D. degree in Electronic Science and Technology at the same university. His research interests include antenna array analysis and synthesis, array design and optimization method.

Weiming Li, School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China

Weiming Li received the B.S. degree in Mathematics from the Jiangxi Normal University, Nanchang, China, in 1988, and the Ph.D. degree in electromagnetic field and microwave technology from the Beijing Institute of Technology, Beijing, China, in 2001. He is currently an associate professor with the Electronic Engineering Department, Beijing Institute of Technology. Mr. Li’s current research interests are computational electromagnetics, wideband antenna techniques. He has authored or coauthored over 20 papers.

Wu Ren, School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China

Wu Ren received the B.S. and Ph.D. degrees in electromagnetic field and microwave technology from the Beijing Institute of Technology, Beijing, China, in 1998 and 2003, respectively. Now, Mr. Ren is an associate professor with the School of Information and Electronics, Beijing Institute of Technology. He has authored or coauthored over 60 papers. He has been in charge of more than 15 projects, including National Natural Science Foundation of China (NSFC) and other scientific research projects. His current research interests are computational electromagnetics, microwave and millimeter-wave techniques, electromagnetic compatibility, and metamaterials.

Zhenghui Xue, School of Information and Electronics Beijing Institute of Technology, Beijing, 100081, China

Zhenghui Xue received the B.S. and Ph.D degrees from the School of Information and Electronics, Beijing Institute of Technology. Now, he is a professor, doctoral supervisor and a discipline leader of the Institute of electronic science and technology at the School of Information and Electronics, Beijing Institute of Technology. He has been in charge of more than 20 projects including National Natural Science Foundation of China (NSFC) and other scientific research projects. Mr. Xue has authored or coauthored over 60 papers. His research interests include theory of electromagnetic field, microwave device design, and research of antenna array.

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Published

2022-03-10

How to Cite

[1]
S. . Fang, W. . Li, W. . Ren, and Z. . Xue, “Design and Analysis of Multi-Mode Distributed Array with Hybrid Optimization Method”, ACES Journal, vol. 36, no. 12, pp. 1526–1534, Mar. 2022.

Issue

2021: Vol 36 Iss 12

Section

General Submission

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