夏小勇. 一种UHF频段的标签天线的设计与分析[J]. 科学技术与工程, 2011, (16): . xiaxiaoyong.Design and Analysis of UHF Tag Antenna[J].Science Technology and Engineering,2011,(16):. |
一种UHF频段的标签天线的设计与分析 |
Design and Analysis of UHF Tag Antenna |
投稿时间:2011-03-02 修订日期:2011-03-02 |
DOI: |
中文关键词: UHF频段 标签天线 小型化 |
英文关键词:UHF band, tag antenna, miniaturization |
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中文摘要: |
标签天线是RFID系统的关键部件, UHF频段RFID系统多采用偶极子天线及其变形型式。针对目前标签天线小型化的实际要求,本文设计了一款对称弯折偶极子天线,并对天线的主要结构参数对天线阻抗的影响作了仿真分析。针对具体的标签芯片,设计了尺寸仅为26.4mm?8mm?.8mm的标签天线.该尺寸具有明显的小型化优势,具有较好的S11特性和全向性。其10dB带宽包含了整个UHF频段,具有宽频带特性。 |
英文摘要: |
The tag antenna is a key component of RFID systems. Dipole antenna and its modification types are widely used in UHF band. Currently, Miniaturization was needed in tag antenna. In this paper, a symmetric bending dipole antenna was presented,the main structural parameters which influenced the impendence of antenna was analyzed. As a special tag chip, a tag antenna, which size was 26.4mm?8mm?.8mm, was designed. The antenna has a advantage of Miniaturization. The S11 performs well, the antenna is omni directional. The 10dB bandwidth includes the whole UHF band, with broadband characteristics. |
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