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A kind of radar-absorbing material (RAM) based on metamaterial, which contains resistive patches, dielectric substrate and metal backing, is designed. The reflectivity of the RAM is calculated using the finite difference time-domain method (FDTD) and optimized by genetic algorithm(GA). Then RAMs with a reflectivity bandwidth of 818 GHz below -10 dB is obtained. Moreover, its thickness is only 3mm. To confirm the design results, the RAM is prepared by fabricating a hollow quartz fibre reinforced epoxy resin substrate through using hand lay-up process and making the resistive patches by screen painting. The reflectivity of the absorber is measured, showing that the experimental result is consistent with the design value.
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Keywords:
- radar-absorbing materials /
- metamaterials /
- FSS /
- genetic algorithm
[1] Ha E H, Huang D Q, Ding H Y 2006 Material Engineering 3 55 (in Chinese) [哈恩华、 黄大庆、 丁鹤雁 2006 材料工程 3 55]
[2] [3] Smith 2004 Science 305 788
[4] Cheng Y Z,Xiao T, Yang H L Xiao B X 2010 Acta Phys. Sin 59 5715 (in chinese)[程用志、 肖 婷、 杨河林、 肖柏勋 2010 59 5715]
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[14] Cheng H S 2005 Ph. D. Dissertation (Hangzhou:Zhejiang University) (in Chinese)[陈红胜 2005 博士学位论文 (杭州: 浙江大学)]
[15] [16] Zhang Y P, Zhao X P, Bao S, Luo C R 2010 Acta Phys. Sin. 59 6078 (in Chinese)[张燕萍、 赵晓鹏、 保 石、 罗春荣 2010 59 6078]
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[20] [21] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Physical Review Letters 20 207402-1
[22] [23] Zhou Y J 2006 Ph. D. Dissertation (Changsha :University of National Defence Technology) (in Chinese)[周永江 2006 博士学位论文 (长沙: 国防科技大学)]
[24] [25] Filippo C, Agostino M, Giuliano M 2010 IEEE Transactions on antennas and propagation 58 1551
[26] Filippo C, Agostino M, Giuliano M 2009 IEEE Transactions on antennas and propagation society international symposium USA 2009
[27] [28] Yang H, Mittra R 2009 FDTD Model of Metamaterials: Theory and Applic- ations(London:Artech House)
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[32] Liu H T, Cheng H F, Chu Z Y, Zhang D Y 2007 Materials Design 28 2166
[33] [34] Lu J, Wang J B, Sun G C 2009 Chin. Phys. B 18 15
[35] -
[1] Ha E H, Huang D Q, Ding H Y 2006 Material Engineering 3 55 (in Chinese) [哈恩华、 黄大庆、 丁鹤雁 2006 材料工程 3 55]
[2] [3] Smith 2004 Science 305 788
[4] Cheng Y Z,Xiao T, Yang H L Xiao B X 2010 Acta Phys. Sin 59 5715 (in chinese)[程用志、 肖 婷、 杨河林、 肖柏勋 2010 59 5715]
[5] [6] Lagakov A N, Kisel V N 2001 Dokl Phys. 46 163
[7] [8] Cui W Z, Ma W, Qiu L D, Zhang H T 2008 Electromagnetic Metamaterials and its Applications (Bei Jing:National Defense Industry Press) p9 (in chinese)[崔万照、 马 伟、 邱乐德、 张洪太 2008 电磁超介质及其应用(北京: 国防工业出版社)第9页]
[9] [10] Marks P, Soukoulis C M 2002 Physical Review E 65 622
[11] [12] [13] Podolskiy V A, Alekseev L, Narimanov E 2005 Journal of Modern Optics 16 2343
[14] Cheng H S 2005 Ph. D. Dissertation (Hangzhou:Zhejiang University) (in Chinese)[陈红胜 2005 博士学位论文 (杭州: 浙江大学)]
[15] [16] Zhang Y P, Zhao X P, Bao S, Luo C R 2010 Acta Phys. Sin. 59 6078 (in Chinese)[张燕萍、 赵晓鹏、 保 石、 罗春荣 2010 59 6078]
[17] [18] [19] Fan J, Cai G Y 2010 Acta Phys. Sin. 59 6084 (in chinese) [樊 京、 蔡广宇 2010 59 6084]
[20] [21] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Physical Review Letters 20 207402-1
[22] [23] Zhou Y J 2006 Ph. D. Dissertation (Changsha :University of National Defence Technology) (in Chinese)[周永江 2006 博士学位论文 (长沙: 国防科技大学)]
[24] [25] Filippo C, Agostino M, Giuliano M 2010 IEEE Transactions on antennas and propagation 58 1551
[26] Filippo C, Agostino M, Giuliano M 2009 IEEE Transactions on antennas and propagation society international symposium USA 2009
[27] [28] Yang H, Mittra R 2009 FDTD Model of Metamaterials: Theory and Applic- ations(London:Artech House)
[29] [30] [31] Wang S Y, Liu S B, Le W J 2010 Chin. Phys. B 19 084101
[32] Liu H T, Cheng H F, Chu Z Y, Zhang D Y 2007 Materials Design 28 2166
[33] [34] Lu J, Wang J B, Sun G C 2009 Chin. Phys. B 18 15
[35]
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