| FDTD计算中关于低频激励源问题的研讨 |
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| 引用本文： | 高本庆,薛正辉,任武.FDTD计算中关于低频激励源问题的研讨[J].电波科学学报,2009,24(2). |
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| 作者姓名： | 高本庆 薛正辉 任武 |
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| 作者单位： | 北京理工大学电子工程系,北京,100081 |
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| 摘 要： | 在FDTD应用中常常遇到复杂结构中的低频段仿真问题，如何选择激励源可能成为“瓶颈”问题。分析了该“瓶颈”现象，探讨了可用的选择方法，提出了一个关于低频激励源准则，并给出计算实例以支撑本文的观点。
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| 关 键 词： | 时域有限差分方法 低频激励源 最大激励时间 |
Study on low frequency exciting source in FDTD simulation |
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| GAO Ben-qing,XUE Zheng-hui,REN Wu.Study on low frequency exciting source in FDTD simulation[J].Chinese Journal of Radio Science,2009,24(2). |
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| Authors: | GAO Ben-qing XUE Zheng-hui REN Wu |
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| Affiliation: | GAO Ben-qing XUE Zheng-hui REN Wu(Beijing Institude of Technology,Beijing 100081,China) |
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| Abstract: | In FDTD application,simulation at low frequency band for a complex structure is often met.In this case,how to choose an apropriate exciting source may become a bottle neck.This paper analyzes this bottle-neck phenomenon,discusses the method to solve the problem and presents a criterion on low frequency exciting source.Some calculation examples support the view in the paper. |
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| Keywords: | finite-difference time-domain method low frequency exciting source maximum exciting time |
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