一种新型RFID标签双频偶极子天线

Mingzhi Zhang, Shu Yan
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引用次数: 3

摘要

分析了开槽微带天线等效电路和开槽理论,提出了一种新型的用于RFID标签的开槽耦合双频偶极子天线。该天线采用新颖紧凑的结构,天线面积比同类天线减少15%以上。HFSS 10的仿真结果表明,该天线阻抗带宽(小于-10dB)分别为810MHz~960MHz和2.26GHz~2.61GHz。该天线的相对带宽分别为16.6%和14.3%。该天线在910MHz和2.45GHz频段也具有良好的辐射特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Novel Dual-Band Dipole Antenna for RFID Tag
This paper analyzes the slotted microstrip antenna equivalent circuit and the slot theory, and then describes a novel slot-coupled dual-band dipole antenna for RFID tag. The proposed antenna uses a novel compact structure and reduces the area of antenna by 15% or more than similar antennas. Simulated results computed by HFSS 10 indicate that the impedance bandwidths (less than -10dB) of this antenna are 810MHz~960MHz and 2.26GHz~2.61GHz. The relative bandwidths of this antenna are 16.6% and 14.3%. The radiation characteristics of this novel antenna also have good performance on 910MHz and 2.45GHz.
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