基于远场时间反演的亚波长天线阵列研究

梁木生; 王秉中; 章志敏; 丁帅; 臧锐

doi:10.7498/aps.62.058401

摘要

基于远场时间反演, 从信号处理角度对亚波长阵列的超分辨率聚焦特性进行了理论分析. 提出了一种新型的微结构刻蚀亚波长阵列, 通过时间反演聚焦实验表明, 该阵列具有远场超分辨聚焦特性, 各单元间信道相互独立. 将这种亚波长阵列应用在时间反演镜天线上, 通过实验验证了可以获得更好的超分辨率聚焦效果. 所提出的亚波长天线阵列对多天线超宽带无线通信具有潜在的应用价值.

关键词:

Based on far-field time reversal, the super-resolution focusing property of the subwavelength array is analyzed theoretically according to signal processing in this paper. A novel subwavelength array is proposed. It is demonstrated experimentally that the array has super-resolution focusing property in the far-field zone and each element has an independent channel. With this kind of subwavelength array used in time reversal mirror, better super-resolution focusing result is achieved. The proposed subwavelength array may be useful in the applications of multi-antenna ultra-wideband (UWB) wireless communications.

Keywords:

作者及机构信息

1.
电子科技大学应用物理研究所, 成都 610054

基金项目: 高等学校博士学科点专项科研基金(批准号: 20100185110021)和国家自然科学基金(批准号: 61071031)资助的课题.

Authors and contacts

1.
Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054

Funds: Project supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20100185110021), and the National Natural Science Foundation of China (Grant No. 61071031).

参考文献

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[25]	Bi D H, Yu Z Y 2008 Journal of Electromagnetic Waves and Applications 22 2335

施引文献

[1]	Lerosey G, Rosny J D, Tourin A, Derode A, Montaldo G, Fink M 2004 Phys. Rev. Lett. 92 193904
[2]	Lerosey G, Rosny J D, Tourin A, Derode A, Fink M 2006 Appl. Phys. Lett. 88 154101
[3]	Rosny J D, Fink M 2007 Phys. Rev. A 76 065801
[4]	Ge G D, Wang B Z, Huang H Y, Zheng G 2009 Acta. Phys. Sin. 58 8249 (in Chinese) [葛广顶, 王秉中, 黄海燕, 郑罡 2009 58 8249]
[5]	Kyritsi P, Papanicolaou G, Eggers P, Oprea A 2004 IEEE Antennas Wireless Propag. Lett. 3 96
[6]	Strohmer T, Emami M, Hansen Papanicolaou J G, Paulraj A J 2004 IEEE Global Telecommunications Conference 5 3123
[7]	Qiu R C, Zhou C, Guo N, Zhang J Q 2006 IEEE Antennas Wireless Propag. Lett. 5 269
[8]	Candy J V, Chambers D H, Guidry B L, Poggio A J, Robbins C L 2008 US Patent 7463690
[9]	Kosmas P, Rappaport C M 2005 IEEE Trans. Microw. Theory Tech. 53 2317
[10]	Liu D H, Kang G, Li L, Chen Y, Vasudevan S, Joines W, Liu Q H, Krolik J, Carin L 2005 IEEE Trans. Antennas Propag. 53 3058
[11]	Lerosey G, Rosny J D, Tourin A, Fink M 2007 Science 315 1120
[12]	Carminati R, Pierrat R, Rosny J D, Fink M 2007 Optics Lett. 32 3107
[13]	Pendry J B 2008 Science 322 71
[14]	Xiao S Q, Chen J, Wang B Z Liu X F 2007 Progress in Electromagnetics Research 77 329
[15]	Liu X F, Wang B Z, Li L W 2009 IEEE Antennas Wireless Propag Lett. 8 1426
[16]	Rosny J D, Lerosey G, Fink M 2010 IEEE Trans. Antennas Propag. 58 3139
[17]	Liu X F, Wang B Z, Xiao S Q, Lai S J 2010 IEEE Trans. Antennas Propag. 58 1731
[18]	Song Y, Guo N, Qiu R C 2011 IEEE Antennas Wireless Propag. Lett. 10 796
[19]	Ge G D, Wang D, Wang B Z 2011 Progress In Electromagnetics Research 114 429
[20]	Ge G D, Wang B Z, Wang D, Zhao D S, Ding S 2011 IEEE Trans. Antennas Propag. 99 1731
[21]	Ge G D, Zang R, Wang D, Ding S, Wang B Z 2011 Electron. Lett. 47 901
[22]	Chen Y M, Wang B Z, Ge G D 2012 Acta. Phys. Sin. 61 024101 (in Chinese) [陈英明, 王秉中, 葛广顶 2012 61 024101]
[23]	Zhang Z M, Wang B Z, Ge G D, Liang M S, Ding S 2012 Acta. Phys. Sin. 61 098401 (in Chinese) [章志敏, 王秉中, 葛广顶, 梁木生, 丁帅 2012 61 098401]
[24]	Ding S, Wang B Z, Ge G D, Wang D, Zhao D S 2011 Acta. Phys. Sin. 60 104101 (in Chinese) [丁帅, 王秉中, 葛广顶, 王多, 赵德双 2011 60 104101]
[25]	Bi D H, Yu Z Y 2008 Journal of Electromagnetic Waves and Applications 22 2335

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