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This paper presents a novel and powerful numerical technique called general sparse-matrix flat-surface iterative approach-canonical grid (G-SMFSIA/CAG), which combines the sparse-matrix flat-surface iterative approach-canonical grid (SMFSIA/CAG) for 2D conducting rough surface and the method of moment (MoM) based on Rao-Wilton-Glisson (RWG) function for PEC target, to compute the electromagnetic scattering from a three-dimensional PEC target on conducting rough surface. The coupling surface integral equations (SIEs) for the composite model are derived based on Huygens surface equivalence principle. The SMFSIA/CAG is applied to solve the SIE of rough surface, and the targets’ SIE is solved using MoM. The iteration of SMFSIA/CAG and MoM takes account the interactions between target and the rough surface. Combining the PM(Pierson-Moskowitz)sea surface generated using Monte-Carlo method, the bistatic scattering coefficient for different targets on sea surface are computed. Convergence and effectivity of the G-SMFSIA/CAG is numerically validated. The bistatic scattering coefficient from ship on sea surface is calculated finally,and the dependence of bistatic scattering pattern upon the wind speed is discussed.
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Keywords:
- composite scattering /
- general sparse-matrix flat-surface iterative approach-canonical grid (G-SMFSIA/CAG) /
- PM(Pierson-Moskowitz)sea surface /
- bistatic scattering coefficient
[1] Jin Y Q, Li Z 2001 IEEE Trans. on Fundamentals and Materials Society(A) 121 917
[2] Wang X, Wang C F, Gan Y B 2003 Progress In Electromagnetics Research PIER 40 207
[3] Ye H X,Jin Y Q 2006 IEEE Trans. on Geoscience Remote Sensing 44 108
[4] 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 物理学报 57 5529] 〖5] Wang R,Guo L X,Qin S T,Wu Z S 2008 Acta Phys. Sin. 57 3473 (in Chinese) [王 蕊、郭立新、秦三团、吴振森 2008 物 理学报 57 3473] 〖6] Li Z X 2006 IEEE Trans. on Antennas Propagation 54 2072
[5] Lawrence D E, Sarabandi K 2002 IEEE Trans. on Antennas and Propagation 50 1368
[6] Wang Y H, Zhang Y M, He M X, Guo L X 2008 Chin Phys. B 17 3696
[7] Wang R,Guo L X, Li Juan, Liu X Y 2009 Science in China (G) 39 201 (in Chinese)[王 蕊、郭立新、李 娟、刘晓勇 2009中国科学G辑 39 201]
[8] Ye H X, Jin Y Q 2009 Acta Phys. Sin. 58 4579 (in Chinese) [叶红霞、金亚秋 2009 物理学报 58 4579]
[9] Li X F, Xie Y J, Fan J, Wang Y Y 2009 Acta Phys. Sin. 58 908 (in Chinese) [李晓峰、谢拥军、樊 君、王元源 2009 物理学报 58 908]
[10] Geng N, Ressler M A, Carin L 1999 IEEE Trans. Geoscience Remote Sensing 27 2609
[11] Johnson J T 2001 Microwave Opt Technol Lett. 30 130
[12] Liu Z J, He J Q, Xie Y J 2002 IEEE Trans. on Antennas Propagation 50 1838
[13] Ye H X, Jin Y Q 2008 Acta Phys. Sin. 57 839 (in Chinese) [叶红霞、金亚秋 2008 物理学报 57 839]
[14] Ye H X, Jin Y Q 2008 Chinese Journal of Radio Science 23 1144 (in Chinese)[叶红霞、金亚秋 2008 电波科学学报23 1144]
[15] Guo L X, Wang Y H, Wu Z S 2005 Acta Phys. Sin. 54 5130 (in Chinese) [郭立新、王运华、吴振森 2005 物理学报 54 5130]
[16] Kuang L,Jin Y Q 2007 IEEE Trans. on Antennas Propagation 55 1368
[17] Magda E S 2002 IEEE Trans. On Geoscience and Remote Sensing 40 982
[18] Tsang L, Kong J A, Ding K H 2000 Scattering of Electromagnetic Waves: Numerical Simulations (New York: John Wiley & Sons Inc) p278—285, p565—571
[19] Rao S M, Wlton D R, Glisson A W 1982 IEEE Trans. on Antennas Propagation 32 409
[20] ToPorkov J V, Brown G S 2000 IEEE Trans. on Geoscience and remote sensing 38 1616
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[1] Jin Y Q, Li Z 2001 IEEE Trans. on Fundamentals and Materials Society(A) 121 917
[2] Wang X, Wang C F, Gan Y B 2003 Progress In Electromagnetics Research PIER 40 207
[3] Ye H X,Jin Y Q 2006 IEEE Trans. on Geoscience Remote Sensing 44 108
[4] 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 物理学报 57 5529] 〖5] Wang R,Guo L X,Qin S T,Wu Z S 2008 Acta Phys. Sin. 57 3473 (in Chinese) [王 蕊、郭立新、秦三团、吴振森 2008 物 理学报 57 3473] 〖6] Li Z X 2006 IEEE Trans. on Antennas Propagation 54 2072
[5] Lawrence D E, Sarabandi K 2002 IEEE Trans. on Antennas and Propagation 50 1368
[6] Wang Y H, Zhang Y M, He M X, Guo L X 2008 Chin Phys. B 17 3696
[7] Wang R,Guo L X, Li Juan, Liu X Y 2009 Science in China (G) 39 201 (in Chinese)[王 蕊、郭立新、李 娟、刘晓勇 2009中国科学G辑 39 201]
[8] Ye H X, Jin Y Q 2009 Acta Phys. Sin. 58 4579 (in Chinese) [叶红霞、金亚秋 2009 物理学报 58 4579]
[9] Li X F, Xie Y J, Fan J, Wang Y Y 2009 Acta Phys. Sin. 58 908 (in Chinese) [李晓峰、谢拥军、樊 君、王元源 2009 物理学报 58 908]
[10] Geng N, Ressler M A, Carin L 1999 IEEE Trans. Geoscience Remote Sensing 27 2609
[11] Johnson J T 2001 Microwave Opt Technol Lett. 30 130
[12] Liu Z J, He J Q, Xie Y J 2002 IEEE Trans. on Antennas Propagation 50 1838
[13] Ye H X, Jin Y Q 2008 Acta Phys. Sin. 57 839 (in Chinese) [叶红霞、金亚秋 2008 物理学报 57 839]
[14] Ye H X, Jin Y Q 2008 Chinese Journal of Radio Science 23 1144 (in Chinese)[叶红霞、金亚秋 2008 电波科学学报23 1144]
[15] Guo L X, Wang Y H, Wu Z S 2005 Acta Phys. Sin. 54 5130 (in Chinese) [郭立新、王运华、吴振森 2005 物理学报 54 5130]
[16] Kuang L,Jin Y Q 2007 IEEE Trans. on Antennas Propagation 55 1368
[17] Magda E S 2002 IEEE Trans. On Geoscience and Remote Sensing 40 982
[18] Tsang L, Kong J A, Ding K H 2000 Scattering of Electromagnetic Waves: Numerical Simulations (New York: John Wiley & Sons Inc) p278—285, p565—571
[19] Rao S M, Wlton D R, Glisson A W 1982 IEEE Trans. on Antennas Propagation 32 409
[20] ToPorkov J V, Brown G S 2000 IEEE Trans. on Geoscience and remote sensing 38 1616
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