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Design of an annular-ring microstrip antenna for circular polarization

✍ Scribed by Jeen-Sheen Row; Kuang-Woei Lin

Book ID: 102522595
Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 103 KB
Volume: 42
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.20237

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✦ Synopsis

Abstract

A new circular‐polarization (CP) design of an annular‐ring microstrip antenna operating at the fundamental TM~11~ mode is presented. The CP radiation of the proposed design is achieved by connecting an L‐shaped strip to two orthogonal sides of the inner boundary of the annular‐ring patch. A prototype of the proposed antenna fabricated on a foam substrate has been implemented and studied. The results show that good CP‐radiation performances are obtained and the 3‐dB axial ratio is about 2%. Good agreement is also obtained between the measured and simulated results. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 42: 156–157, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20237

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