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基于电磁局域谐振的路谐振理论, 将集总LC器件加载到工字形周期阵列中, 设计了一种新型频率选择表面极化分离结构. 利用等效电路法分析了不同极化时该结构的作用机制, 并采用全波分析法研究了极化方式、入射角度和集总参数对其传输特性的影响.结果表明: 所设计的结构在6.37 GHz附近具有良好的极化分离特性; 在0°–40°扫描范围内, 横电(TE) 和横磁(TM) 极化下结构传输特性均保持稳定; 通过调控集总元件LC值, 该结构在保持 TE极化方向传输特性不变的同时, 可以实现对TM传输特性的独立调节, 使设计更加灵活.该结构为极化分离器以及极化波产生器的设计提供了借鉴.Based on the circuit resonance theory of the electromagnetic local resonance, a novel frequency selective surface structure with the property of polarization separation is designed by loading the lumped inductors and capacitors to the periodic array with “I” elements. The operation principle of the structure at all polarizations is analyzed by using the equivalent circuit method. And the influences of the polarization, incident angle and parameters of the lumped device on the transmission characteristics of the FSS are simulated and discussed by using the full-wave numerical analysis method. The results indicate that the designed structure has a good property of polarization separation at about 6.37 GHz, the transmission characteristics are stable with the scan angle increasing from 0° to 40° at TE and TM polarization, and by controlling the lumped inductors and capacitors, the transmission characteristics for TM polarization can be regulated independently while the transmission characteristics for TE polarization remain constant. The proposed structure is conductive to the designs of the polarization separator and the polarized wave generator.
[1] Munk B A 2000 Frequency Selective Surface: Theory and Design (1st Ed.) (New York: Wiley)
[2] Wu T K 1995 Frequency-Selective Surface and Grid Array (New York: Wiley)
[3] Vardaxoglou J C 1997 Frequency-Selective Surfaces: Analysis and Design (Taunton, UK: Research Studies Press)
[4] Jia H Y, Gao J S, Feng X G, Sun L C 2009 Acta Phys. Sin. 58 505 (in Chinese) [贾宏燕, 高劲松, 冯晓国, 孙连春 2009 58 505]
[5] Li X Q, Gao J S, Zhao J L, Sun L C 2008 Acta Phys. Sin. 57 3803 (in Chinese) [李小秋, 高劲松, 赵晶丽, 孙连春 2008 57 3803]
[6] Wang K 2009 M. S. Dissertation (Chengdu: University of Electronic Science and Technology) (in Chinese) [王珂 2009 硕士学位论文(成都: 电子科技大学)]
[7] Bormemann J 1993 IEEE Trans. Antennas Propagat. 41 1588
[8] Reed J A 1997 Ph. D. Dissertation (Dallas: The University of Texas at Dallas)
[9] Schurig D, Mock J J, Smith R 2006 Appl. Phys. Lett. 88 041109
[10] Wu X, Pei Z B, Qu S B, Xu Z, Bai P, Wang J F, Wang X H, Zhou H 2011 Acta Phys. Sin. 60 114201 (in Chinese) [吴翔, 裴志斌, 屈绍波, 徐卓, 柏鹏, 王甲富, 王新华, 周航 2011 60 114201]
[11] Amore M D, Santis V D, Feliziani M 2012 IEEE Trans. Magn. 48 703
[12] Mittra R, Chan C H, Cwik T 1988 Proc. IEEE 76 1593
[13] Williams A B, Taylor F J 1995 The Electronic Filter Design Handbook (3st Ed.) (New York: McGraw-Hill)
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[1] Munk B A 2000 Frequency Selective Surface: Theory and Design (1st Ed.) (New York: Wiley)
[2] Wu T K 1995 Frequency-Selective Surface and Grid Array (New York: Wiley)
[3] Vardaxoglou J C 1997 Frequency-Selective Surfaces: Analysis and Design (Taunton, UK: Research Studies Press)
[4] Jia H Y, Gao J S, Feng X G, Sun L C 2009 Acta Phys. Sin. 58 505 (in Chinese) [贾宏燕, 高劲松, 冯晓国, 孙连春 2009 58 505]
[5] Li X Q, Gao J S, Zhao J L, Sun L C 2008 Acta Phys. Sin. 57 3803 (in Chinese) [李小秋, 高劲松, 赵晶丽, 孙连春 2008 57 3803]
[6] Wang K 2009 M. S. Dissertation (Chengdu: University of Electronic Science and Technology) (in Chinese) [王珂 2009 硕士学位论文(成都: 电子科技大学)]
[7] Bormemann J 1993 IEEE Trans. Antennas Propagat. 41 1588
[8] Reed J A 1997 Ph. D. Dissertation (Dallas: The University of Texas at Dallas)
[9] Schurig D, Mock J J, Smith R 2006 Appl. Phys. Lett. 88 041109
[10] Wu X, Pei Z B, Qu S B, Xu Z, Bai P, Wang J F, Wang X H, Zhou H 2011 Acta Phys. Sin. 60 114201 (in Chinese) [吴翔, 裴志斌, 屈绍波, 徐卓, 柏鹏, 王甲富, 王新华, 周航 2011 60 114201]
[11] Amore M D, Santis V D, Feliziani M 2012 IEEE Trans. Magn. 48 703
[12] Mittra R, Chan C H, Cwik T 1988 Proc. IEEE 76 1593
[13] Williams A B, Taylor F J 1995 The Electronic Filter Design Handbook (3st Ed.) (New York: McGraw-Hill)
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