期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 71, 期 7, 页码 5954-5966出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2023.3264701
关键词
Deep learning (DL); electromagnetic scattering; integral equations; iterative solvers
DL-equipped iterators are developed to accelerate the iterative solution of electromagnetic scattering problems. DL blocks consisting of U-nets are employed to replace the nonlinear process of traditional iterators. The proposed complex-valued batch normalization in the U-net improves the computational time and accuracy of the DL-equipped iterators by properly handling phase information.
Deep-learning (DL)-equipped iterators are developed to accelerate the iterative solution of electromagnetic scattering problems. In proposed iterators, DL blocks consisting of U-nets are employed to replace the nonlinear process of the traditional iterators, i.e., the conjugate gradient (CG) method and the generalized minimal residual (GMRES) method. New implementations of the complex-valued batch normalization in the U-net are proposed and investigated in terms of the DL-equipped iterators. Numerical results show that the DL-equipped iterators outperform their traditional counterparts in terms of computational time under comparable accuracy since the phase information of the currents, fields, and permittivity is properly handled.
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