六边形环复合吸波超材料性能的等效电路分析方法
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摘要
该文提出一种针对六边形环复合吸波超材料吸波性能的等效电路分析方法。基于六边形环谐振特性建立了等效电路模型,通过对六边形点阵分布的傅里叶分析,提出了等效分布周期参数,给出了基于模型尺寸的RLC参数提取方法。与全波仿真结果比较,所提出的等效电路模型对分析多种尺寸的六边形环复合吸波材料具有较好的适用性和准确性。通过样品制作和测量,进一步验证了该模型的有效性,最后实现了一款工作于1.7~5.7 GHz的宽带雷达吸波材料。
An equivalent circuit method of performance estimation for hexagonal loop composite absorbing metamaterial is proposed, and the corresponding equivalent circuit model is established. Based on the Fourier analysis of hexagonal lattice distribution, the equivalent distribution periodic parameter is proposed and the estimation method of RLC parameters is given according to the size of units. The applicability and accuracy of the equivalent circuit model for several structure dimensions are verified and compared with HFSS. A sample is fabricated and measured for further verification, which has a good broadband radar absorbing performance in1.7~5.7 GHz.
An equivalent circuit method of performance estimation for hexagonal loop composite absorbing metamaterial is proposed, and the corresponding equivalent circuit model is established. Based on the Fourier analysis of hexagonal lattice distribution, the equivalent distribution periodic parameter is proposed and the estimation method of RLC parameters is given according to the size of units. The applicability and accuracy of the equivalent circuit model for several structure dimensions are verified and compared with HFSS. A sample is fabricated and measured for further verification, which has a good broadband radar absorbing performance in1.7~5.7 GHz.
引文
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[10]王秀芝,高劲松,徐念喜.利用等效电路模型快速分析加载集总元件的微型化频率选择表面[J].物理学报,2013,62(20):1-5.doi:10.7498/aps.62.207301.WANG Xiuzhi,GAO Jinsong,and XU Nianxi.Quick analysis of miniaturized-element frequency selective surface that loaded with lumped elements by using an equivalent circuit model[J].Acta Physica Sinica,2013,62(20):1-5.doi:10.7498/aps.62.207301.
[11]HAN Ye,CHE Wenquan,CHRISTOPOULOS C,et al.Afast and efficient design method for circuit analog absorbers consisting of resistive square-loop arrays[J].IEEETransactions on Electromagnetic Compatibility,2016,58(3):747 -757.doi:10.1109/TEMC.2016.2524553.
[12]SHANG Yuping,SHEN Zhongxiang,and XIAO Shaoqiu.On the design of single-Layer circuit analog absorber using double-square-loop array[J].IEEE Transactions on Antennas&Propagation,2013,61(12):6022-6029.
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[14]LUO X F,TEO P T,QING A,et al.Design of double‐square‐loop frequency‐selective surfaces using differential evolution strategy coupled with equivalent‐circuit model[J].Microwave&Optical Technology Letters,2005,44(2):159-162.doi:10.1002/mop.20575.
[15]SUDHENDRA C,RAMKUMAR M A,and RAO K A R K.Design,analysis,and implementation of spacecloth based on hexagonal resistor grid network of planar resistors[J].IEEEMicrowave&Wireless Components Letters,2017,27(11):986 -988.doi:10.1109/LMWC.2017.2750066.
[16]白正元,姜雄伟,张龙.超薄电磁屏蔽光窗超材料吸波器[J].光学学报,2017,37(8):244-252.doi:10.3788/AOS201737.0816003.BAI Zhengyuan,JIANG Xiongwei and ZHANG Long.Ultra-thin metamaterial absorber for electromagnetic window shielding[J].Acta Optica Sinica,2017,37(8):244-252.doi:10.3788/AOS201737.0816003.
[2]路宝,龚书喜,凌劲,等.一种新型频率选择表面及其在天线雷达散射截面减缩中的应用[J].电子与信息学报,2010,32(1):199-202.doi:10.3724/SP.J.1146.2009.00046.LU Bao,GONG Shuxi,LING Jin,et al.A novel frequency selective surface structure and its application to RCSreduction of antennas[J].Journal of Electronics&Information Technology,2010,32(1):199-202.doi:10.3724/SP.J.1146.2009.00046.
[3]JOOZDANI M Z,AMIRHOSSEINI M K,and ABDOLALIA.Wideband radar cross-section reduction of patch arrayantenna with miniaturised hexagonal loop frequency selective surface[J].Electronics Letters,2016,52(9):767 -768.doi:10.1049/el.2016.0336.
[4]周禹龙,曹祥玉,高军,等.双频频率选择表面及其在微带天线宽带RCS减缩中的应用[J].电子与信息学报,2017,39(6):1446-1451.doi:10.11999/JEIT160854.ZHOU Yulong,CAO Xiangyu,GAO Jun,et al.Dualband frequncey selective surface and its application to wideband RCS reduction of the microstrip antenna[J].Journal of Electronics&Information Technology,2017,39(6):1446-1451.doi:10.11999/JEIT160854.
[5]RUVIO G,LEONE G,and MATTIELLO F.Analysis and characterization of finite-size curved frequency selective surfaces[J].Studies in Engineering&Technology,2015,2(1):9-21.doi:10.11114/set.v2i1.684.
[6]COSTA F,MONORCHIO A,and MANARA G.Analysis and design of ultra thin electromagnetic absorbers comprising resistively loaded high impedance surfaces[J].IEEE Transactions on Antennas&Propagation,2010,58(5):1551-1558.doi:10.1109/TAP.2010.2044329.
[7]COSTA F,MONORCHIO A,and MANARA G.Efficient analysis of frequency-selective surfaces by a simple equivalent-circuit model[J].IEEE Antennas&Propagation Magazine,2012,54(4):35-48.doi:10.1109/MAP.2012.6309153.
[8]LIU Tian and KIM S S.Design of wide-bandwidth electromagnetic wave absorbers using the inductance and capacitance of a square loop-frequency selective surface calculated from an equivalent circuit model[J].Optics Communications,2016,359:372-377.doi:10.1016/j.optcom.2015.10.011.
[9]SILVA M W B and KRETLY L C.An efficient method based on equivalent-circuit modeling for analysis of Frequency Selective Surfaces[C].Proceedings of the Microwave&Optoelectronics Conference,Rio de Janeiro,Brazil,2013:1-4.doi:10.1109/IMOC.2013.6646473.
[10]王秀芝,高劲松,徐念喜.利用等效电路模型快速分析加载集总元件的微型化频率选择表面[J].物理学报,2013,62(20):1-5.doi:10.7498/aps.62.207301.WANG Xiuzhi,GAO Jinsong,and XU Nianxi.Quick analysis of miniaturized-element frequency selective surface that loaded with lumped elements by using an equivalent circuit model[J].Acta Physica Sinica,2013,62(20):1-5.doi:10.7498/aps.62.207301.
[11]HAN Ye,CHE Wenquan,CHRISTOPOULOS C,et al.Afast and efficient design method for circuit analog absorbers consisting of resistive square-loop arrays[J].IEEETransactions on Electromagnetic Compatibility,2016,58(3):747 -757.doi:10.1109/TEMC.2016.2524553.
[12]SHANG Yuping,SHEN Zhongxiang,and XIAO Shaoqiu.On the design of single-Layer circuit analog absorber using double-square-loop array[J].IEEE Transactions on Antennas&Propagation,2013,61(12):6022-6029.
[13]YANG Juan and SHEN Zhongxiang.A thin and broadband absorber using double-square loops[J].IEEE Antennas&Wireless Propagation Letters,2007,6:388-391.doi:10.1109/LAWP.2007.903496.
[14]LUO X F,TEO P T,QING A,et al.Design of double‐square‐loop frequency‐selective surfaces using differential evolution strategy coupled with equivalent‐circuit model[J].Microwave&Optical Technology Letters,2005,44(2):159-162.doi:10.1002/mop.20575.
[15]SUDHENDRA C,RAMKUMAR M A,and RAO K A R K.Design,analysis,and implementation of spacecloth based on hexagonal resistor grid network of planar resistors[J].IEEEMicrowave&Wireless Components Letters,2017,27(11):986 -988.doi:10.1109/LMWC.2017.2750066.
[16]白正元,姜雄伟,张龙.超薄电磁屏蔽光窗超材料吸波器[J].光学学报,2017,37(8):244-252.doi:10.3788/AOS201737.0816003.BAI Zhengyuan,JIANG Xiongwei and ZHANG Long.Ultra-thin metamaterial absorber for electromagnetic window shielding[J].Acta Optica Sinica,2017,37(8):244-252.doi:10.3788/AOS201737.0816003.