车载探地雷达信号在分层介质中的散射特性

李雪萍; 纪奕才; 卢伟; 方广有

doi:10.7498/aps.63.044201

摘要

建立了多层分层介质散射的物理模型，基于雷达方程和斯涅尔定律给出了多层分层介质散射场强度计算公式. 分析研究了分层介质的电特性参数（介电常数和损耗正切）对雷达系统的探测距离和散射场的影响. 以安装于探测车上的探地雷达系统为应用背景，利用时域有限差分方法对整个车载探地雷达系统进行了建模和仿真计算，对接收到的散射回波信号进行了研究. 最后将系统数值模拟结果和解析计算结果进行了对比，并对结果做出了分析.

关键词:

A physical model for the electromagnetic scattering of layered media is established. Radar equation and Snell's law are adopted to calculate the electromagnetic scattering field of multiple layer media. The effects of the electrical properties of the layer, i.e., permittivity and loss tangent on the detection range of the radar system and scattering field are studied. The vehicle-mounted ground penetrating radar (GPR) for the exploration of lunar subsurface is taken as the background. The finite difference time domain method is used to model and calculate the whole vehicle-mounted GPR, and the intensity of the scattering echoes is studied. The simulation results are compared with the theoretical results, and they are found to be in good agreement with each other. Finally some analyses of the results are presented.

Keywords:

vehicle-mounted ground penetrating radar /
layered media /
scattering properties /
electrical characteristic parameters

作者及机构信息

1.
中国科学院电磁辐射与探测技术重点实验室, 北京 100190;

2.
中国科学院大学, 北京 100049

Authors and contacts

1.
Key Laboratory of Electromagnetic Radiation and Sensing Technology, Chinese Academy of Sciences, Beijing 100190, China;

2.
University of Chinese Academy of Sciences, Beijing 100049, China

参考文献

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[4]	Kobayashi T, Oya H, Ono T 2002 Earth Planets Space 54 973
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[6]	Zhang Y, Zhang X J, Fang G Y 2013 Acta Phys. Sin. 62 044204 (in Chinese) [张宇, 张晓娟, 方广有 2013 物理学报 62 044204]
[7]	Ney R, Bonaime S, Dolon F, Nevejans D, Clairquin R, Duvanaud C, Martinat B, Berthelier J J, Ciarletti V 2003 Ninth International Conference on HF Radio Systems and Techniques UK, June 23-26, 2003 p282
[8]	Ciarletti V, Corbel C, Plettemeier D, Cais P, Clifford S M, Hamran S E 2011 Proc. IEEE 99 824
[9]	Plettemeier D, Balling S, Benedix W S, Ciarletti V, Hamran S E, Corbel C, Linke S 2009 IEEE EUROCON 2009 Russia, May 18-23, 2009 p1557
[10]	Hamadi A, Guiffaut C, Reineix A, Ciarletti V, Plettermeier D 2010 Antennas and Propagation Society International Symposium 2010 IEEE Canada, July 11-17, 2010 p1
[11]	Ge D B, Yan Y B 2011 Finite-Difference Time-Domain Method for Electromagnetic Waves (3rd Ed.) (Xian: Xidian University Publishing House) p1 (in Chinese) [葛德彪, 闫玉波 2011 电磁波时域有限差分方法 (第三版) (西安: 西安电子科技大学出版社) 第1页]
[12]	Wu T T, King R W P 1965 IEEE Trans. Antennas Propag. 13 369
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[14]	Shkuratov Y G, Bondarenko N V 2001 Icarus 149 329
[15]	Shkuratov Y G, Kaydash V G, Opanasenko N V 1999 Icarus 137 222
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施引文献

[1]	Kobayashi T, Lee S R, Ping J S 2012 Proceedings of the 14th International Conference on Ground Penetrating Radar Shanghai, June 4-8, 2012 p919
[2]	Gall A L, Reineix A, Ciarletti V, Berthelier J J, Ney R, Dolon F, Corbel C 2006 J. Geophys. Res. 111 1
[3]	Picardi G, Biccari D, Seu R, Marinangeli L, Johnson W T K, Jordan R L, Plaut J, Safaenili A, Gurnett D A, Ori G G, Orosei R, Calabrese D, Zampolini E 2004 Planetary and Space Science 52 149
[4]	Kobayashi T, Oya H, Ono T 2002 Earth Planets Space 54 973
[5]	Zhang Y, Zhang X J, Fang G Y 2012 Acta Phys. Sin. 61 184203 (in Chinese) [张宇, 张晓娟, 方广有 2012 物理学报 61 184203]
[6]	Zhang Y, Zhang X J, Fang G Y 2013 Acta Phys. Sin. 62 044204 (in Chinese) [张宇, 张晓娟, 方广有 2013 物理学报 62 044204]
[7]	Ney R, Bonaime S, Dolon F, Nevejans D, Clairquin R, Duvanaud C, Martinat B, Berthelier J J, Ciarletti V 2003 Ninth International Conference on HF Radio Systems and Techniques UK, June 23-26, 2003 p282
[8]	Ciarletti V, Corbel C, Plettemeier D, Cais P, Clifford S M, Hamran S E 2011 Proc. IEEE 99 824
[9]	Plettemeier D, Balling S, Benedix W S, Ciarletti V, Hamran S E, Corbel C, Linke S 2009 IEEE EUROCON 2009 Russia, May 18-23, 2009 p1557
[10]	Hamadi A, Guiffaut C, Reineix A, Ciarletti V, Plettermeier D 2010 Antennas and Propagation Society International Symposium 2010 IEEE Canada, July 11-17, 2010 p1
[11]	Ge D B, Yan Y B 2011 Finite-Difference Time-Domain Method for Electromagnetic Waves (3rd Ed.) (Xian: Xidian University Publishing House) p1 (in Chinese) [葛德彪, 闫玉波 2011 电磁波时域有限差分方法 (第三版) (西安: 西安电子科技大学出版社) 第1页]
[12]	Wu T T, King R W P 1965 IEEE Trans. Antennas Propag. 13 369
[13]	Heiken G H, Vaniman D T, French B M 1991 Lunar Sourcebook: A User's Guide to the Moon (New York: Cambridge University Press) pp27-34
[14]	Shkuratov Y G, Bondarenko N V 2001 Icarus 149 329
[15]	Shkuratov Y G, Kaydash V G, Opanasenko N V 1999 Icarus 137 222
[16]	Ouyang Z Y 2005 Introduction to Lunar Science (Beijing: China Astronautic Publishing House) pp56-65 (in Chinese) [欧阳自远 2005 月球科学概论 (北京: 中国宇航出版社) 第56–65页]

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