| ANALYSIS OF OPEN MICROSTRIP STRUCTURES BY USING DIAKOPTIC METHOD OF LINES COMBINED WITH PERIODIC BOUNDARY CONDITIONS |
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| 作者姓名： | Zhu Hanqing Fang Dagang Long Yi |
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| 作者单位： | Department of Electronic Engineering，Nanjing University of Science and Technology，Nanjing 210094 |
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| 基金项目： | Supported by the National Natural Science Foundation of China |
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| 摘 要： | This paper presents the analysis of open microstrip structures by using diakoptic method of lines (ML) combined with periodic boundary conditions (PBC). The parameters of microstrip patch are obtained from patch current excited by plane wave. Impedance matrix elements are computed by using fast Fourier transform(FFT), and reduced equation is solved by using diakoptic technique. Consequently, the computing time is reduced significantly. The convergence property of simulating open structure by using PBC and the comparison of the computer time between using PBC and usual absorbing boundary condition (ABC) show the validity of the method proposed in this paper. Finally, the resonant frequency of a microstrip patch is computed. The numerical results obtained are in good agreement with those published.
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Analysis of open microstrip structures by using diakoptic method of lines combined with periodic boundary conditions |
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| Zhu Hanqing Fang Dagang Long Yi.ANALYSIS OF OPEN MICROSTRIP STRUCTURES BY USING DIAKOPTIC METHOD OF LINES COMBINED WITH PERIODIC BOUNDARY CONDITIONS[J].Journal of Electronics,1998,15(1):90-96. |
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| Authors: | Hanqing Zhu Dagang Fang Yi Long |
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| Affiliation: | (1) Department of Electronic Engineering, Nanjing University of Science and Technology, 210094 Nanjing |
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| Abstract: | This paper presents the analysis of open microstrip structures by using diakoptic method of lines (ML) combined with periodic boundary conditions (PBC). The parameters of microstrip patch are obtained from patch current excited by plane wave. Impedance matrix elements are computed by using fast Fourier transform(FFT), and reduced equation is solved by using diakoptic technique. Consequently, the computing time is reduced significantly. The convergence property of simulating open structure by using PBC and the comparison of the computer time between using PBC and usual absorbing boundary condition (ABC) show the validity of the method proposed in this paper. Finally, the resonant frequency of a microstrip patch is computed. The numerical results obtained are in good agreement with those published. |
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| Keywords: | Open microstrip structures Method of lines Periodic boundary conditions Fast Fourier transform Diakoptic technique |
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