| 用于金属物体的宽带超高频RFID标签天线 |
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| 引用本文： | 赖铭银,靳贵平,李融林.用于金属物体的宽带超高频RFID标签天线[J].重庆邮电学院学报(自然科学版),2011(2). |
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| 作者姓名： | 赖铭银 靳贵平 李融林 |
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| 作者单位： | 华南理工大学电子与信息学院; |
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| 基金项目： | 国家自然科学基金(60871061); 广东省自然科学基金(8151064101000085); 高等学校博士学科点专项科研基金(20080561)~~ |
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| 摘 要： | 用于金属物体的标签天线一直是RFID标签天线研究的热点和难点,提出了一种新的低剖面用于金属物体的宽带超高频(ultra high frequency,UHF)射频识别(radio frequency identification,RFID)标签天线。采用增加2个耦合的寄生贴片来激发新的谐振波模,极大地改善了RFID标签天线的带宽,测量结果得到的标签天线半功率带宽为148 MHz,覆盖了所有的超高频RFID系统的频段。
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| 关 键 词： | 射频识别标签天线 宽带 金属物体 |
Broadband UHF RFID tag antenna mountable on metallic objects |
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| LAI Ming-yin,JIN Gui-ping,LI Rong-lin.Broadband UHF RFID tag antenna mountable on metallic objects[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2011(2). |
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| Authors: | LAI Ming-yin JIN Gui-ping LI Rong-lin |
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| Institution: | LAI Ming-yin,JIN Gui-ping,LI Rong-lin (South China University of Technology,School of Electronic and Information Engineering,Guangzhou 510640,P.R.China) |
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| Abstract: | The tag antenna used for metallic objects have always been the hot and difficult spots,This letter proposed a novel low-profile broadband ultra high frequency radio frequency identification tag antenna with two parasitic patches.The tag antenna's bandwidth can be greatly enhanced by adding parasitic patches which are coupled to the driven patch for the excitation of additional resonant modes.The measured half-power bandwidth of the proposed antenna is 148 MHz,which covers all the UHF RFID frequency bands. |
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| Keywords: | radio frequency identification tag antenna broadband metallic objects |
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