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題名: Unidirectional circularly-polarized slot antennas with broadband operation
作者: Han, Tuan-Yung;Chu, Yu-Yi;Tseng, Lin-Yu;Row, Jeen-Sheen
貢獻者: 電機工程學系
日期: 2008-06
上傳時間: 2012-06-05T02:01:04Z
出版者: IEEE
摘要: A circularly-polarized (CP) slot antenna comprises of a triangular wide slot, a director patch, and a metallic reflector is proposed and studied in this paper. The CP radiation of the slot antenna is excited by the proximity coupling of an L-shaped strip. To obtain an optimum peak
gain and a broad CP bandwidth, the effects of varying the positions of the director and reflector on the antenna performances are respectively investigated. Several prototypes were constructed, and the measured results show that the proposed antenna can provide an average gain of 10 dBi within a CP operating bandwidth of 23% and a front-to-back ratio of over 10 dB. Simulation analyses are also carried out to validate the experimental results.
關聯: IEEE Trans Antennas Propagat, 56(6): 1780-1783
顯示於類別:[電機工程學系] 期刊論文

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