National Changhua University of Education Institutional Repository : Item 987654321/10982

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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Periodical Articles > Item 987654321/10982

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10982

Title:	Unidirectional circularly-polarized slot antennas with broadband operation
Authors:	Han, Tuan-Yung;Chu, Yu-Yi;Tseng, Lin-Yu;Row, Jeen-Sheen
Contributors:	電機工程學系
Date:	2008-06
Issue Date:	2012-06-05T02:01:04Z
Publisher:	IEEE
Abstract:	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.
Relation:	IEEE Trans Antennas Propagat, 56(6): 1780-1783
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Periodical Articles

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