National Changhua University of Education Institutional Repository : Item 987654321/10947

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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Periodical Articles > Item 987654321/10947

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10947

Title:	Dual-frequency microstrip antennas
Authors:	Chuo, Feng-Pin;Chen, Tsair-Rong;Row, Jeen-Sheen
Contributors:	電機工程學系
Keywords:	Dual-frequency;Dual-polarization;Microstrip antenna
Date:	2005-04
Issue Date:	2012-06-05T01:59:40Z
Publisher:	Wiley
Abstract:	This paper presents the design of a dual-port microstrip patch antenna with dual-frequency operation. Two different feed mechanisms—aperture coupling and inset coplanar microstrip line—are used to excite the TM10 and TM01 modes, respectively, on a single square patch. The frequency ratio of the proposed dual-frequency microstrip antenna can be varied by changing the inset length of the coplanar microstrip line while the peripheral dimensions of the patch are fixed. Several prototype antennas operating at frequency ratios ranging from 1.04 to 1.36 are constructed and tested. The experimental results show that the isolation level between the two input ports of the proposed dual-frequency antenna is primarily determined by its operating-frequency ratio.
Relation:	Microwave and Optical Technology Letters, 45(1): 3-5
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Periodical Articles

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