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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2023-06-27
Principal Component Analysis Accelerated the Iterative Convergence of the Characteristic Mode Basis Function Method for Analyzing Electromagnetic Scattering Problems
By
Zhonggen Wang,

    Professor Zhonggen Wang

    College of Electrical and Information Engineering

    Anhui University of Science and Technology

    China

    Homepage

Fei Guo,

    Mr. Fei Guo

    School of Electrical and Information Engineering

    Anhui University of Science and Technology

    China

    Homepage

Wenyan Nie,

    Professor Wenyan Nie

    College of Mechanical Electrical Engineering

    Huainan Normal University

    China

    Homepage

Yufa Sun,

    Dr. Yufa Sun

    Key Laboratory of Intelligent Computing & Signal Processing, Ministry of Education

    Anhui University

    China

    Homepage

Pan Wang

    Dr. Pan Wang

    School of Electrical and Information Engineering

    Anhui University of Scicence and Technology

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 117, 129-138, 2023
doi:10.2528/PIERM23041504 | Google Scholar

Abstract
According to the characteristic mode basis function method (CMBFM) in analyzing electrically large problems, blocking and extending lead to the problem of slow convergence in the iterative solution of a reduced matrix equation, and the characteristic mode basis function method combined with principal component analysis (CMBFM-PCA) is proposed in this study. The characteristic modes (CMs), calculated from each extended block, are subjected to PCA to enhance the orthogonality between them and improve the reduced matrix's condition number to facilitate its quick convergence through an iterative solution. The corresponding numerical calculations demonstrate that significant efficiency and accuracy are achieved by the proposed method.
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Citation
Zhonggen Wang, Fei Guo, Wenyan Nie, Yufa Sun, and Pan Wang, "Principal Component Analysis Accelerated the Iterative Convergence of the Characteristic Mode Basis Function Method for Analyzing Electromagnetic Scattering Problems," Progress In Electromagnetics Research M, Vol. 117, 129-138, 2023.
doi:10.2528/PIERM23041504
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