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A new fast far field approximation algorithm is introduced to calculate the composite scattering characteristics of rough surface and the target in near field, by using the reduced-order electromagnetic current iteration method. Also we use the multi-process parallel algorithm to reduce the simulation time and analyze the influence on the results of the reduced-order electromagnetic current iteration. The calculated results by the algorithm described in the paper and the results obtained by multi-level fast multi-pole method (MLFMM) are in good agreement, so the effectiveness of the algorithm is verified. At the same time, the use of tank to carry out the measurements of near-field complex scattering between the targets and rough surfaceshows that the test results and the calculation results are very consistent.
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Keywords:
- rough surface /
- composite scattering /
- reduced-order electromagnetic current iteration /
- multi-process parallel algorithm
[1] 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]
[2] 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 57 3473]
[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] Kang S F, Wang X D 2004 J. Microwave 20 43 (in Chinese) [康士峰, 王显德 2004 微波学报 20 43]
[5] Colak D C, Burkholder R J, Newman E H 2007 Microwave and Opt. Tech. Lett. 49 241
[6] Liu Z J, He J Q, Xie Y J, Sullivan A 2002 IEEE Trans. Antennas Propaga. 50 1838
[7] Lei K, Jin Y Q 2007 IEEE Trans. Antennas Propaga. 55 2302
[8] Zhang Y, Lu J, Pacheco J 2005 IEEE Trans. Antennas Propaga. 53 1631
[9] Ye H X, Jin Y Q 2006 Acta Electronica Sinica 34 1074 (in Chinese) [叶红霞, 金亚秋 2006 电子学报 34 1074]
[10] Marcos R P, Luis L 1999 IEEE Trans. Antennas Propaga. 47 961
[11] Wu Z S, Zhang J J 2009 Progress In Electromagnetics Research 92 317
[12] 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 54 5130]
[13] Burkholder R J 1999 USNC/URSI Radio Science Meeting 224
[14] Burkholder R J, Khalid J 2003 The Ohio State University Electro Science Laboratory Final Report 742962-1
[15] Liang Z C, Wang X B, Yu H 2009 Guidance &Fuze 30 30 (in Chinese) [梁子长, 王晓冰, 岳慧 2009 制导与引信 30 30]
[16] Liang Z C, Zhang Y, Gu J 2010 J. Antenna 1 132 (in Chinese) [梁子长, 张元, 顾俊 2010 天线学报 1 132]
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[1] 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]
[2] 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 57 3473]
[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] Kang S F, Wang X D 2004 J. Microwave 20 43 (in Chinese) [康士峰, 王显德 2004 微波学报 20 43]
[5] Colak D C, Burkholder R J, Newman E H 2007 Microwave and Opt. Tech. Lett. 49 241
[6] Liu Z J, He J Q, Xie Y J, Sullivan A 2002 IEEE Trans. Antennas Propaga. 50 1838
[7] Lei K, Jin Y Q 2007 IEEE Trans. Antennas Propaga. 55 2302
[8] Zhang Y, Lu J, Pacheco J 2005 IEEE Trans. Antennas Propaga. 53 1631
[9] Ye H X, Jin Y Q 2006 Acta Electronica Sinica 34 1074 (in Chinese) [叶红霞, 金亚秋 2006 电子学报 34 1074]
[10] Marcos R P, Luis L 1999 IEEE Trans. Antennas Propaga. 47 961
[11] Wu Z S, Zhang J J 2009 Progress In Electromagnetics Research 92 317
[12] 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 54 5130]
[13] Burkholder R J 1999 USNC/URSI Radio Science Meeting 224
[14] Burkholder R J, Khalid J 2003 The Ohio State University Electro Science Laboratory Final Report 742962-1
[15] Liang Z C, Wang X B, Yu H 2009 Guidance &Fuze 30 30 (in Chinese) [梁子长, 王晓冰, 岳慧 2009 制导与引信 30 30]
[16] Liang Z C, Zhang Y, Gu J 2010 J. Antenna 1 132 (in Chinese) [梁子长, 张元, 顾俊 2010 天线学报 1 132]
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