電気関係学会九州支部連合大会講演論文集
平成25年度電気関係学会九州支部連合大会(第66回連合大会)講演論文集
セッションID: 03-1A-05
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A Low-profile Circularly Polarized Antenna with Double U-shaped Arms for UHF RFID Applications
*Lertsakwimarn KittimaPhongcharoenpanich ChuwongFukusako Takeshi
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抄録
The proposed antenna structure consists of double U-shaped strip structures and a capacitive feeding line to generate circular polarization. From the results, the antenna has the |S11| less than -10 dB and axial ratio less than 3 dB that can cover UHF RFID band in Thailand (920 MHz to 925 MHz). The bidirectional beam is obtained with the maximum gain paralleled to the ground plane of 2.8 dBi at the 920 MHz. The proposed antenna is low-profile, circularly polarized, and the main beam direction is parallel to the ground plane.
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© 2013 電気関係学会九州支部連合大会委員会
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