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Design of a dual-polarized microstrip patch antenna with excellent polarization purity

✍ Scribed by Xian-Ling Liang; Shun-Shi Zhong; Wei Wang

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 96 KB
Volume: 44
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.20625

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✦ Synopsis

In this paper, the design of a broadband dual-polarized microstrip patch antenna with excellent polarization purity is investigated theoretically and experimentally. Based on cavity-model theoretical analysis, a test dual-polarized microstrip patch antenna fed by double slot-coupled feeds with a 180°phase shift and a coplanar microstrip feed is presented. The simulated and measured results show that this antenna achieves a high isolation (Ͻ Ϫ41 dB) across the entire operating frequency and low cross-polarization level (Ͻ Ϫ30 dB).

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