| 二维FDTD分析土壤及地下管道的时域散射场 |
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| 引用本文： | 周蔚红,周东明,刘克成.二维FDTD分析土壤及地下管道的时域散射场[J].国防科技大学学报,2003,25(6):53-55. |
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| 作者姓名： | 周蔚红 周东明 刘克成 |
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| 作者单位： | 国防科技大学电子科学与工程学院,湖南,长沙,410073 |
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| 摘 要： | 首先应用FDTD在二维空间内计算了土壤的时域散射场,并与理论公式进行比较,在一定精度下,二者吻合得较好。进一步用GPML吸收边界模拟探测地下管道,并给出了不同深度、不同直径的管道散射的数值结果。
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| 关 键 词： | FDTD 散射 GPML |
| 文章编号： | 1001-2486(2003)06-0053-03 |
| 收稿时间： | 2003/6/23 0:00:00 |
| 修稿时间： | 2003年6月23日 |
An Analysis of Time-domain Scattering Field in Soil and Underground Pipe with 2-D FDTD |
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| ZHOU Weihong,ZHOU Dongming and LIU Kecheng.An Analysis of Time-domain Scattering Field in Soil and Underground Pipe with 2-D FDTD[J].Journal of National University of Defense Technology,2003,25(6):53-55. |
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| Authors: | ZHOU Weihong ZHOU Dongming and LIU Kecheng |
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| Institution: | College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | An analysis of time-domain scattering field has been given in soil with 2-D FDTD, and the numerical results are verified by comparing with the theory.The detecting of the underground pipe was simulated by using GPML absorbing boundary condition,numerical results of scattering of pipe are given in different sizes and different depths. |
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| Keywords: | FDTD scattering GPML |
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