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Cross-polarization suppression of dual-polarization linear microstrip antenna arrays

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

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
356 KB
Volume
42
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

The cross‐polarization suppression of dual‐polarization linear microstrip antenna arrays is investigated theoretically and experimentally. Four designs of 4‐element linear microstrip antenna arrays for suppressing cross‐polarization are presented by using the pair‐wise anti‐phase feeding technique and different combinations. The simulated results are in good agreement with the experimental ones. The experimental results show that one design (design D) has much lower cross‐polarization level (about 6–10 dB) and higher isolation (about 2–4 dB) than the other three designs. The cross‐polarization level of this array is less than −27 dB and the isolation between two polarization ports is better than 34 dB in the entire frequency range of 8.74–9.5 GHz. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 42: 448–451, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20332

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