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题名: Dual-feed dual-polarized patch antenna with low cross polarization and high isolation
作者: Sim, Chow-Yen-Desmond;Chang, Chun-Chuan;Row, Jeen-Sheen
贡献者: 電機工程學系
日期: 2009-10
上传时间: 2012-06-05T02:01:15Z
出版者: IEEE
摘要: In this communication, a dual-feed dual-polarized microstrip antenna with low cross polarization and high isolation is experimentally
studied. Two different feed mechanisms are designed to excite a dual orthogonal linearly polarized mode from a single radiating patch. One of the
two modes is excited by an aperture-coupled feed, which comprises a compact resonant annular-ring slot and a T-shaped microstrip feedline; while
the other is excited by a pair of meandering strips with a 180 phase differences.
Both linearly polarized modes are designed to operate at 2400-MHz
frequency band, and from the measured results, it is found that the isolation
between the two feeding ports is less than 40 dB across a 10-dB inputimpedance
bandwidth of 14%. In addition, low cross polarization is observed
fromthe radiation patterns of the two modes, especially at the broadside
direction. Simulation analyses are also carried out to support the measured
關聯: IEEE Trans Antennas Propagat, 57(10): 3405-3409
显示于类别:[電機工程學系] 期刊論文


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