Research on electromagnetic scattering computation and synthetic aperture radar imaging of ship located on two-dimensional ocean surface

Ji Wei-Jie; Tong Chuang-Ming

doi:10.7498/aps.61.160301

Abstract

The electromagnetic (EM) scattering computation and the synthetic aperture radar (SAR) imaging of three-dimensional conductor object located on ocean surface are studied. The EM scatterings of object, ocean surface and the interaction between them are computed based on the geometric optic, the physical optic, the shooting and bouncing ray. The method of equivalent current is used to calculate the diffraction by object edges. The shadowing effect is also included, and the tapered incident wave is chosen to reduce the truncation error. The Pierson-Moskowitz random sea surface is generated by using Monte-Carlo method, and numerical results are provided to validate the approach through the computation of radar cross section for cube and ship objects located on ocean surface. The backscattering electric field data of different frequencies and angles are computed quickly by using this approximate method. Combining the backscattering data and SAR images technology, the images of cube and ship located on ocean surface are obtained. The method introduced in this paper has important theoretical significance in realistic ocean remote sensing and detection of military targets located on ocean surface.

Keywords:

Authors and contacts

1.
Missile Institute Air, Force Engineering University, Sanyuan 713800, China;
2.
State Key Laboratory of Millimeter Waves, Nanjing 210096, China
Funds: Project supported by the Foundation of State Key Laboratory of Millimeter Waves of Southeast University, China (Grant No. 2012101) and the Natural Science Research Program of Shannxi Province, China (Grant No. 2011JM8025).

References

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[2]	Robert J B, Marcos R P, Fernando O 2001 IEEE Anten. Propag. 43 25
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[4]	Li Z X 2007 Prog. Electromagn. Res. 76 253
[5]	Khalid J, Robert J B 2006 IEEE Trans. Geosci. Remote Sensing 44 3330
[6]	Liu P, Jin Y Q 2004 IEEE Trans. Geosci. Remote Sensing 42 950
[7]	Ji W J, Tong C M 2010 Prog. Electromagn. Res. 105 119
[8]	Ji W J, Tong C M 2011 Acta Phys. Sin. 60 010301 (in Chinese) [姬伟杰, 童创明 2011 60 010301]
[9]	Xu F, Jin Y Q 2009 IEEE Trans. Anten. Propag. 57 1495
[10]	Baussard A, Rochdi M, Khenchaf A 2011 Prog. Electromagn. Res. 111 229
[11]	Luo W M, Zhang Y W, Chen H 2009 Prog. Electromagn. Res. M 8 79
[12]	Qin S T, Guo L X, Dai S Y, Gong S X 2011 Acta Phys. Sin. 60 074217 (in Chinese) [秦三团, 郭立新, 代少玉, 龚书喜 2011 60 074217]
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[14]	Wang R, Guo L X, Wang A Q 2010 Acta Phys. Sin. 59 3179 (in Chinese) [王蕊, 郭立新 2010 59 3179 ]
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[16]	Lee S W, Ling H, Chou R 1989 IEEE Trans. Anten. Propag. 37 194
[17]	Keller J 1962 J. Opt. Soc. Am. 52 116
[18]	Michaeli A 1984 IEEE Trans. Anten. Propag. 32 252
[19]	Tsang L, Kong J A, Ding K H 2000 Scattering of Electromagnetic Waves: Numerical Simulations (New York: John Wiley and Sons Inc) pp270-271
[20]	Kim H, Johnson J T 2002 IEEE Trans. Anten. Propag. 50 94
[21]	Zhang G, Tsang L 1998 IEEE Trans. Geosci. Remote Sensing 36 1485

Cited By

[1]	Pino M R, Landesa L, Rodriguez J L, Obelleiro F, Burkholder R J 1999 IEEE Trans. Anten. Propag. 47 961
[2]	Robert J B, Marcos R P, Fernando O 2001 IEEE Anten. Propag. 43 25
[3]	Marcos R P, Robert J B, Fernando O 2002 IEEE Trans. Anten. Propag. 50 785
[4]	Li Z X 2007 Prog. Electromagn. Res. 76 253
[5]	Khalid J, Robert J B 2006 IEEE Trans. Geosci. Remote Sensing 44 3330
[6]	Liu P, Jin Y Q 2004 IEEE Trans. Geosci. Remote Sensing 42 950
[7]	Ji W J, Tong C M 2010 Prog. Electromagn. Res. 105 119
[8]	Ji W J, Tong C M 2011 Acta Phys. Sin. 60 010301 (in Chinese) [姬伟杰, 童创明 2011 60 010301]
[9]	Xu F, Jin Y Q 2009 IEEE Trans. Anten. Propag. 57 1495
[10]	Baussard A, Rochdi M, Khenchaf A 2011 Prog. Electromagn. Res. 111 229
[11]	Luo W M, Zhang Y W, Chen H 2009 Prog. Electromagn. Res. M 8 79
[12]	Qin S T, Guo L X, Dai S Y, Gong S X 2011 Acta Phys. Sin. 60 074217 (in Chinese) [秦三团, 郭立新, 代少玉, 龚书喜 2011 60 074217]
[13]	Ding R, Jin Y Q 2011 Acta Phys. Sin. 60 124102 (in Chinese) [丁锐, 金亚秋 2011 60 124102]
[14]	Wang R, Guo L X, Wang A Q 2010 Acta Phys. Sin. 59 3179 (in Chinese) [王蕊, 郭立新 2010 59 3179 ]
[15]	Gordon W B 1994 IEEE Trans. Anten. Propag. 42 427
[16]	Lee S W, Ling H, Chou R 1989 IEEE Trans. Anten. Propag. 37 194
[17]	Keller J 1962 J. Opt. Soc. Am. 52 116
[18]	Michaeli A 1984 IEEE Trans. Anten. Propag. 32 252
[19]	Tsang L, Kong J A, Ding K H 2000 Scattering of Electromagnetic Waves: Numerical Simulations (New York: John Wiley and Sons Inc) pp270-271
[20]	Kim H, Johnson J T 2002 IEEE Trans. Anten. Propag. 50 94
[21]	Zhang G, Tsang L 1998 IEEE Trans. Geosci. Remote Sensing 36 1485

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Catalog

Vol. 61, Issue 16 - 2012-08-20

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