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author:

戴利斌 (戴利斌.) [1] | 许志猛 (许志猛.) [2] | 袁家德 (袁家德.) [3]

Abstract:

设计了一种小型化超高频(UHF,ultra-high frequency)射频识别(RFID,radio frequency identification)标签天线.该天线由内外两个方形螺旋谐振器短接构成,通过改变外圈螺旋谐振器的边长和内外圈螺旋谐振器的间距,可以有效调节标签天线的谐振频率.仿真结果表明,标签天线阻抗匹配良好,频带范围覆盖整个超高频频段(840~960 MHz),总尺寸为 7.60 mm×7.60 mm×0.05 mm,比传统螺旋谐振器(SR,spiral resonator)天线小 96%.测试结果表明,在 4 W有效全向辐射功率条件下,标签天线在 910 MHz处读取距离达到最大.所提小型化超高频射频识别标签天线具有尺寸小、频带宽、成本低和易于批量制作的特点,适用于对尺寸要求较小的应用环境.

Keyword:

射频识别 小型化 标签天线 螺旋谐振器 超高频

Community:

  • [ 1 ] [袁家德]福州大学
  • [ 2 ] [许志猛]福州大学
  • [ 3 ] [戴利斌]福州大学

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Source :

物联网学报

ISSN: 2096-3750

Year: 2024

Issue: 1

Volume: 8

Page: 147-152

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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