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題名: | 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 |
貢獻者: | 電機工程學系 |
日期: | 2009-10
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上傳時間: | 2012-06-05T02:01:15Z
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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 results. |
關聯: | IEEE Trans Antennas Propagat, 57(10): 3405-3409 |
顯示於類別: | [電機工程學系] 期刊論文
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