Effects of Liquid on Performance of UHF RFID Tag

LIU Quan; HE Yi-gang

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Effects of Liquid on Performance of UHF RFID Tag

更新时间：2026-09-04

- Effects of Liquid on Performance of UHF RFID Tag
- Vol. 28, Issue 9, Pages: 47-50(2011)
- 作者机构：
  
  湖南大学电气与信息工程学院,湖南,长沙,410082
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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柳权, 何怡刚. 液体对超高频RFID标签性能影响研究[J]. 微电子学与计算机, 2011, 28(9): 47-50.

LIU Quan, HE Yi-gang. Effects of Liquid on Performance of UHF RFID Tag[J]. 2011, 28(9): 47-50.
柳权, 何怡刚. 液体对超高频RFID标签性能影响研究[J]. 微电子学与计算机, 2011, 28(9): 47-50. DOI：

LIU Quan, HE Yi-gang. Effects of Liquid on Performance of UHF RFID Tag[J]. 2011, 28(9): 47-50. DOI：

摘要

超高频RFID标签受环境

尤其是液体的影响很大.通过理论分析结合实验测试

研究了液体对超高频RFID标签的影响.使用RFID系统测试平台测试了液体环境下标签性能参数的变化

并基于电磁场仿真软件HF-SS Ansoft做了仿真研究.结果表明

RFID系统附近的液体能吸收电磁波

使标签天线辐射效率降低

同时引起天线失谐.

Abstract

The UHF RFID tag is effected by the environment

especially liquid.Theory analyzing and test experiment

were used to study the effect of liquid on RFID tag.Changes of performance parameters were tested in liquid environment by using the RFID system test platform

and studied based on electromagnetic field simulation software HFSS Ansoft.The results show that the fluid near the RFID system can absorb electromagnetic wave

reduce the radiation efficiency of the tag antenna

and lead to impedance match of antenna gets changed.

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