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基于互补开口谐振单环 (complementary split ring resonator, CSRR) 的电磁特性, 设计了一种新型人工磁导体 (artificial magnetic conductor, AMC) 结构 CSRR-AMC. 通过与方形贴片人工磁导体的反射相位对比发现, 该结构在X极化和Y极化波垂直照射条件下可分别实现小型化和多同相反射频带. 基于此特性, 设计了一种仅由单一CSRR-AMC结构组成的宽带低雷达截面反射屏. 该设计将相邻CSRR-AMC单元正交化排布, 通过优化单元结构实现宽带相位对消, 降低后向散射能量. 测试结果表明, 样品在7.38–10.47 GHz 范围内后向RCS减缩量达到10 dB以上, 相对带宽达到34.6%, 为宽带低反射屏设计提供了新的方法.Based on the electromagnetic properties of complementary split ring resonator (CSRR), a novel artificial magnetic conductor (AMC), CSRR-AMC, is designed. The comparison of the reflection phase with square patch AMC reveals its features of miniaturization and multiband in-phase reflection, under X- and Y-polarized normal incident waves, respectively. Inspired by the reflection phase difference under different incident conditions, we have designed a wideband low rader cross-section (RCS) reflection screen with a single CSRR-AMC structure. The CSRR-AMC arrays are orthogonally positioned and the backscattering energy is reduced as a result of phase cancellation. Measured results demonstrate that -10dB RCS reduction is achieved in a wide frequency range of 7.38–10.47 GHz and the relative bandwidth is 34.6%, providing a new method for the design of wideband low scattering structure.
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Keywords:
- AMC /
- phase cancellation /
- wideband /
- RCS reduction
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[20] Liu Y C, Liu C Y, Kuei C P 2005 Microw. Opt. Technol. Lett. 48 449
[21] Yuri A M, Elena de Cos, Fernando L H 2011 IEEE Antennas and Propagation Magazine 52 100
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[1] Ronald L F, Michael T M 1988 IEEE Trans. Antennas Propag. 36 1443
[2] Sievenpiper D, Zhang L J, Broas R F J, Alex’opolous N G, Yablonovitch E 1999 IEEE Trans. Microw. Theory Tech. 47 2059
[3] Simovski C R, Maagt P, Tretyakov S A 2004 Electron. Lett. 40 92
[4] Simovski C R, Maagt P, Melchakova I V 2005 IEEE Trans. Antennas Propag. 53 908
[5] Gao Q, Yin Y, Yan D B, Yuan N C 2005 Electron. Lett. 41 936
[6] Simms S, Fusco V 2006 Electron. Lett. 42 1197
[7] Costa F, Monorchio A, Manara G 2010 IEEE Trans. Antennas Propag. 58 1551
[8] Paquay M, Iriarte J C, Ederra I, Gonzalo R, de Maagt P 2007 IEEE Trans. Antennas Propag. 55 3630
[9] Iriarte J C, Martinez de Falcón J L, Maestrojuan I 2011 Proceedings of the 5th EUCAP 1322
[10] Lu L, Qu S B, Ma H, Xia S, Xu Z, Wang J F, Yu F 2013 Acta Phys. Sin. 62 034206 (in Chinese) [鲁磊, 屈绍波, 马华, 夏颂, 徐卓, 王甲富, 余斐 2013 62 034206]
[11] Chen X, Li L, Liang C H 2010 IEEE Antennas and Wireless Propagation Letter 9 3
[12] Falcone F, Lopetegi T, Baena J D 2004 IEEE Microw. Wireless Compon. Lett. 14 280
[13] Marqués R, Medina F, Rafii-El-Idrissi R 2004 Phys. Rev. B 65 144441
[14] Smith D R, Gollub J, Mock J J 2006 Appl. Phys. 10 024507
[15] Peng L, Ruan C L, Li Z Q 2010 IEEE Microw. Wireless Compon. Lett. 20 489
[16] Chen J, Zhang A X, Tian C M 2012 Acta Phys. Sin. 61 024102 (in Chinese) [陈娟,张安学, 田春明 2012 61 024102]
[17] Yao X, Cao X Y, Gao J, Yang Q 2012 Progress In Electromagnetics Research Lett. 32 15329844
[18] Fu Y Q, Li Y Q, Yuan N C 2011 Microw. Opt. Technol. Lett. 53 712
[19] Zhang Y 2011 Ph.D. Dissertation (Chengdu: University of Electronic Science and Technology of China) (in Chinese) [张泳 2011 博士学位论文 (成都: 电子科技大学)]
[20] Liu Y C, Liu C Y, Kuei C P 2005 Microw. Opt. Technol. Lett. 48 449
[21] Yuri A M, Elena de Cos, Fernando L H 2011 IEEE Antennas and Propagation Magazine 52 100
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