Preconditioners for CG-FMM-FFT Implementation in EM Analysis of Large-Scale Periodic Array Antennas(Antennas and Propagation)
スポンサーリンク
概要
- 論文の詳細を見る
In this research, a sub-array preconditioner is applied to improve the convergence of conjugate gradient (CG) iterative solver in the fast multipole method and fast Fourier transform (FMM-FFT) implementation on a large-scale finite periodic array antenna with arbitrary geometry elements. The performance of the sub-array preconditioner is compared with the near-group preconditioner in the array antenna analysis. It is found that the near-group preconditioner achieves a little better convergence, while the sub-array preconditioner can be easily constructed and programmed with less CPU-time. The efficiency of the CG-FMM-FFT with high efficient preconditioner has been demonstrated in numerical analysis of a finite periodic array antenna.
- 社団法人電子情報通信学会の論文
- 2007-03-01
著者
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Yuan Qiaowei
Intelligent Cosmos Research Institute Inc.
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Chen Qiang
Tohoku University
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Sawaya Kunio
Tohoku University
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CHEN Qiang
Department of Electrical Communications Engineering, Graduate School of Engineering, Tohoku Universi
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SAWAYA Kunio
Department of Electrical Communications Engineering, Graduate School of Engineering, Tohoku Universi
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Yuan Qiaowei
Sendai National College of Technology
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Yuan Qiaowei
Intelligent Cosmos Res. Inst. Sendai Jpn
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Chen Qiang
Tohoku Univ.
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Chen Qiang
Department Of Electrical Communications School Of Engineering Tohoku University
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Chen Q
Tohoku Univ. Sendai‐shi Jpn
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Chen Qiang
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Chen Qiang
Department Of Electrical Communications Engineering Graduate School Of Engineering Tohoku University
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Sawaya Kunio
Tohoku Univ.
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Sawaya Kunio
Department Of Electrical Communications School Of Engineering Tohoku University
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Sawaya K
Tohoku Univ. Sendai‐shi Jpn
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Sawaya Kunio
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Sawaya Kunio
Sendai Emc Research Center Nict:department Of Electrical And Communication Engineering School Of Eng
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ZHAI Huiqing
Faculty of Engineering, Tohoku University
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ZHAI Huiqing
Department of Electrical Communications, Faculty of Engineering, Tohoku University
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Chen Qiang
Department Of Cardiovascular Medicine The Second Affiliated Hospital Of Dalian Medical University
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SAWAYA Kunio
Department of Communications Engineering, Graduate School of Engineering, Tohoku University
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