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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Proceedings > Item 987654321/11004

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/11004

Title:	Mutual coupling between spherical annular-ring and circular microstrip antennas
Authors:	Cheng, Hong-Twu;Row, Jeen-Sheen;Cheng, Yuan-Tung
Contributors:	電機工程學系
Date:	1997-07
Issue Date:	2012-06-05T02:12:29Z
Publisher:	IEEE
Abstract:	Mutual coupling is an important issue in estimating the performance of a microstrip array antenna. In this article, the coupling characteristics between spherical concentric annular-ring and circular microstrip antennas is studied by using full-wave analysis. Both the annular-ring and the circular patches are fed by a coaxial probe. The circular patch is excited at the TM11 mode and the annular-ring patch is operated at the TM12 mode. Such a coupling problem is treated as a two-port network and the coupling coefficient, S12, can be obtained from the scattering matrix. The numerical results of E-plane and H-plane coupling coefficients are presented and discussed.
Relation:	Antennas and Propagation Society International Symposium, Boston, Jul. 13-18, 1997, 3(3): 1521-1524
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Proceedings

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