| 一种槽耦合的双频双极化微带天线 |
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| 引用本文： | 潘雪明,王泽美,焦永昌.一种槽耦合的双频双极化微带天线[J].雷达科学与技术,2005,3(4):253-256. |
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| 作者姓名： | 潘雪明 王泽美 焦永昌 |
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| 作者单位： | 西安电子科技大学天线与电磁散射研究所,陕西西安,710071;西安电子科技大学天线与电磁散射研究所,陕西西安,710071;西安电子科技大学天线与电磁散射研究所,陕西西安,710071 |
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| 基金项目： | 国家自然科学基金资助项目（No.60171045） |
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| 摘 要： | 设计了一种适用于基站天线的双频双极化微带天线单元，该天线单元采用槽耦合、多层贴片和对称馈电的结构形式。用商业软件Ansoft对天线的电特性进行仿真计算，制作了实验模型，测试结果优于仿真结果。天线在880-960MHz的GSM（全球移动通信系统）频段和1710～1880MHz的DCS（数字蜂窝系统）频段上的反射损耗均大于10dB，在两个频段上极化互相垂直的两个端口的隔离度均大于24dB。
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| 关 键 词： | 双频双极化天线 槽耦合 微带天线 |
| 文章编号： | 1672-2337（2005）04-0253-04 |
| 收稿时间： | 2004-09-10 |
| 修稿时间： | 2004年9月10日 |
An Aperture-Coupled Dual-Band Dual-Polarized Microstrip Antenna |
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| PAN Xue-ming,WANG Ze-mei,JIAO Yong-chang.An Aperture-Coupled Dual-Band Dual-Polarized Microstrip Antenna[J].Radar Science and Technology,2005,3(4):253-256. |
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| Authors: | PAN Xue-ming WANG Ze-mei JIAO Yong-chang |
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| Abstract: | In this paper, an aperture-coupled dual-band dual-polarized microstrip antenna element is designed which is suitable for a base station antenna. The designed antenna uses a structure of aperture coupling, multi stacked patches, and symmetrical feed. The parameters of the antenna are calculated by Ansoft simulation. The experimental prototype is also made. The measured results are better than the calculated results. The bandwidth of the element for return loss>10dB covers both the 880~960MHz GSM(Global System for Mobile Communication)band and the 1710~1880MHz DCS(Digital Cellular System)frequency band. The measured isolation between the ports corresponding to the two orthogonal polarizations is greater than 24dB in both bands. |
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| Keywords: | dual-band dual-polarized antenna aperture coupling microstrip antenna |
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