Study on wide-band scattering from rectangular cross-section above rough land surface with exponential type distribution using FDTD

Zhu Xiao-Min; Ren Xin-Cheng; Guo Li-Xin

doi:10.7498/aps.63.054101

Abstract

The dielectric property of the actual land surface is expressed using the four-component model of dielectric constant of soil, the actual rough land surface is simulated with model of exponential type distribution rough surface and Monte Carlo method, the wide-band electromagnetic scattering from column with rectangular cross-section above rough land surface under Gaussian differential pulse irradiation is studied using FDTD, the curves of frequency distribution of back composite scattering coefficient is obtained, the back composite scattering coefficient varying with the root-mean-square of height fluctuation, the correlation length of rough land surface, the moisture capacity of soil, the geometric parameter of the target, such as height, size, tilt and dielectric parameter of the target is calculated in details, the characteristics of the wide-band composite scattering from object above rough land surface with exponential type distribution are obtained.

Keywords:

Authors and contacts

1.
School of Physics and Electronic Information, Yanan University, Yan'an 716000, China;
2.
School of Physics and optoelectronic engineering, Xidian University, Xi'an 710071, China
Funds: Projected by the National Science Fund for Distinguished Young Scholars (Grant No. 61225002), and the National Nature Science Foundation of China (Grant No. 61379026).

References

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[4]	Hu B, Chew W C 2001 IEEE Trans. Geosci. Rem. Sens. 39 1028
[5]	Wang Y H, Zhang Y M, Guo L X 2008 Acta Phys. Sin. 57 5529 (in Chinese) [王运华, 张彦敏, 郭立新 2008 57 5529]
[6]	Wang X, Li L W 2009 Prog. Electromagn. Res. 91 35
[7]	An Y Y, Wang D X, Chen R S 2013 Electromagnetics 33 10
[8]	An Y Y, Chen R S, Xu P P, Liu Z W, Zha L P 2012 Appl. Comput. Electrom. 27 541
[9]	Wang R, Guo L X, Li J, Liu X Y 2009 Sci. China Ser. G-Phys. Mech. Astron. 52 665
[10]	Zhao K M, Sun Y F 2011 Journal of Electronics & Information Technology 33 992 (in Chinese) [赵克明, 孙玉发 2011 电子与信息学报 33 992]
[11]	Du H M, Chen M S, Wu X L 2012 Acta Phys. Sin. 61 097201 (in Chinese) [杜红梅, 陈明生, 吴先良 2012 61 097201]
[12]	Hastings F D, Schneider J B, Broschat S L 1995 IEEE Trans. Antennas Propagat. 43 1183
[13]	Ge D B, Yan Y B 2011 Finite-Difference Time-Domain Method for Electromagnetic Waves (3rd edition) (Xi'an: Xidian University Press) p104 (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104页]
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[15]	Chen Z M, Wu X M 2008 Numer. Math. Theor. Meth. Appl. 1 113
[16]	Ren X C, Guo L X, Jiao Y C 2012 Acta Phys. Sin. 61 144101 (in Chinese) [任新成, 郭立新, 焦永昌 2012 61 144101]
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Cited By

[1]	Sun J J, Tong C M 2013 Journal of Microwaves 29 72 (in Chinese) [孙佳佳, 童创明 2013 微波学报 29 72]
[2]	Jin Y Q, Liu P, Ye H X 2008 Theory and Method of Numerical Simulation of Composite Scattering from the Object and Randomly Rough Surface (Beijing: Science Press) p165 (in Chinese) [金亚秋, 刘鹏, 叶红霞 2008 随机粗糙面与目标复合散射数值模拟理论与方法(北京:科学出版社)第165页]
[3]	Ye H X, Jin Y Q 2008 Acta Phys. Sin. 57 839 (in Chinese) [叶红霞, 金亚秋 2008 57 839]
[4]	Hu B, Chew W C 2001 IEEE Trans. Geosci. Rem. Sens. 39 1028
[5]	Wang Y H, Zhang Y M, Guo L X 2008 Acta Phys. Sin. 57 5529 (in Chinese) [王运华, 张彦敏, 郭立新 2008 57 5529]
[6]	Wang X, Li L W 2009 Prog. Electromagn. Res. 91 35
[7]	An Y Y, Wang D X, Chen R S 2013 Electromagnetics 33 10
[8]	An Y Y, Chen R S, Xu P P, Liu Z W, Zha L P 2012 Appl. Comput. Electrom. 27 541
[9]	Wang R, Guo L X, Li J, Liu X Y 2009 Sci. China Ser. G-Phys. Mech. Astron. 52 665
[10]	Zhao K M, Sun Y F 2011 Journal of Electronics & Information Technology 33 992 (in Chinese) [赵克明, 孙玉发 2011 电子与信息学报 33 992]
[11]	Du H M, Chen M S, Wu X L 2012 Acta Phys. Sin. 61 097201 (in Chinese) [杜红梅, 陈明生, 吴先良 2012 61 097201]
[12]	Hastings F D, Schneider J B, Broschat S L 1995 IEEE Trans. Antennas Propagat. 43 1183
[13]	Ge D B, Yan Y B 2011 Finite-Difference Time-Domain Method for Electromagnetic Waves (3rd edition) (Xi'an: Xidian University Press) p104 (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104页]
[14]	Kunz K S, Luebbers R J 1993 The Finite Difference Time Domain Method for Electromagnetic (Boca Raton, FL: CRC Press) p45
[15]	Chen Z M, Wu X M 2008 Numer. Math. Theor. Meth. Appl. 1 113
[16]	Ren X C, Guo L X, Jiao Y C 2012 Acta Phys. Sin. 61 144101 (in Chinese) [任新成, 郭立新, 焦永昌 2012 61 144101]
[17]	Wang J R, Schmugge T J 1980 IEEE Trans. Geosci. Rem. Sens. 18 288

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Catalog

Vol. 63, Issue 5 - 2014-03-05

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