Mutual Coupling Compensation-based Nonuniform Fourier Transform Technique for Accurate and Efficient Pattern Evaluation and its Application to Synthesis of Aperiodic Arrays

Authors

  • Fan Peng Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China https://orcid.org/0000-0001-5125-384X
  • Cheng Liao Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China
  • You-Feng Cheng Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China
  • Ju Feng Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China
  • Si-Du Wang Mianyang Flight College of Civil Aviation Flight University of China, Mianyang, 621000, China

DOI:

https://doi.org/10.13052/2023.ACES.J.380602

Keywords:

aperiodic array, mutual coupling compensation, Non-uniform fast Fourier transform, Radiation pattern calculation and synthesis

Abstract

A rapid solution for evaluating the radiation pattern of aperiodic arrays, taking into account mutual coupling, is presented in this paper. The evaluation is achieved by eliminating the anisotropy of the active element pattern of the array through the use of the mutual coupling compensation matrix (MCCM) technique, in conjunction with the non-uniform fast Fourier transform (NuFFT). In order to eliminate the impact of mutual coupling on array pattern calculation, the MCCM is utilized to convert the active element pattern (AEP) of each element into a shared uniform term and make the NuFFT technique suitable for the array pattern calculation. The proposed solution is validated by evaluating the radiation pattern of a 64-element planar aperiodic array. In addition, the proposed solution is integrated into the Particle Swarm Optimization (PSO) to realize a pattern synthesis method. Two synthesized patterns, including a pencil beam with low sidelobe level and a flat-top beam pattern, are executed to validate. Compared with several reported methods, the proposed method can improve the synthesis efficiency and maintain good accuracy simultaneously.

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Author Biographies

Fan Peng, Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China

Fan Peng received his Bachelor’s degree in applied physics from the Chengdu University of Information and Technology (CUIT), Chengdu, China. In 2016, he entered Southwest Jiaotong University to study for Ph.D. degree in electromagnetic field and electromagnetic waves. His current research includes wide beam antenna, phased array and array synthesis.

Cheng Liao, Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China

Cheng Liao received his Ph.D. degree in electromagnetic fields and microwave technology from the University of Electronic Science and Technology of China, Chengdu, China, in 1995.

From 1997 to 1998, he was a Visiting Scholar with the City University of Hong Kong, Kowloon Tong, Hong Kong. In 1998, he became a Professor with Southwest Jiaotong University, Chengdu. His research interests include computational electromagnetics, electromagnetic compatibility, and antenna theory and technology.

You-Feng Cheng, Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China

You Feng Cheng was born in Anqing, Anhui, China, in 1989. He received his Ph.D. degree in radio physics from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2018.

In 2017, he joined the Mechanical Engineering Department, University of Houston, Houston, TX. USA, as a Visiting Scholar. In 2018, he joined Southwest Jiaotong University (SWJTU), Chengdu. His current research interests include phased arrays, reconfigurable antennas, and evolutionary algorithms.

Ju Feng, Institute of Electromagnetics Southwest Jiaotong University, Chengdu, 610031, China

Ju Feng received her Ph.D. degree in electromagnetic field and microwave technology from Southwest Jiaotong University, Chengdu, China, in 2014.

She is currently an Associate Professor at the Institute of Electromagnetic Field and Microwave Technology, Southwest Jiaotong University. Her major research interests include antenna theory and design, computational electromagnetics, and electromagnetic wave propagation.

Si-Du Wang, Mianyang Flight College of Civil Aviation Flight University of China, Mianyang, 621000, China

Sidu Wang received his Bachelor’s scholar degree in electronic and information engineering from the Chengdu University of Information and Technology (CUIT), Chengdu, China. In 2015, he worked at the Civil Aviation Flight Univerity of China (CAFUC), Guanghan, China. His current research includes signal communication, navigation, radar, and aviation safety management.

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Published

2023-06-30

How to Cite

[1]
F. . Peng, C. . Liao, Y.-F. . Cheng, J. . Feng, and S.-D. . Wang, “Mutual Coupling Compensation-based Nonuniform Fourier Transform Technique for Accurate and Efficient Pattern Evaluation and its Application to Synthesis of Aperiodic Arrays”, ACES Journal, vol. 38, no. 06, pp. 382–391, Jun. 2023.

Issue

2023: Vol 38 Iss 6

Section

General Submission

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