基于零折射率超材料的高定向性微带天线
研究了一种基于平面网格状零折射率超材料的高定向性微带天线。利用超材料结构的平均效应实现了在10．24GHz处介电常数为零，进而实现了超材料的折射率为零。实验结果表明，利用零折射率超材料对波束产生汇聚作用，使微带天线的定向性明显增强，E面、H面半功率波束宽度分别收缩了56．67°和26．60°，侧向辐射明显减弱，天线的增益提高了3．80dB。...
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| Published in | 电子技术应用 Vol. 37; no. 6; pp. 110 - 112 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西北工业大学应用物理系智能材料实验室,陕西西安,710129
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0258-7998 |
| DOI | 10.3969/j.issn.0258-7998.2011.06.037 |
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| Abstract | 研究了一种基于平面网格状零折射率超材料的高定向性微带天线。利用超材料结构的平均效应实现了在10．24GHz处介电常数为零，进而实现了超材料的折射率为零。实验结果表明，利用零折射率超材料对波束产生汇聚作用，使微带天线的定向性明显增强，E面、H面半功率波束宽度分别收缩了56．67°和26．60°，侧向辐射明显减弱，天线的增益提高了3．80dB。 |
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| AbstractList | 研究了一种基于平面网格状零折射率超材料的高定向性微带天线。利用超材料结构的平均效应实现了在10．24GHz处介电常数为零，进而实现了超材料的折射率为零。实验结果表明，利用零折射率超材料对波束产生汇聚作用，使微带天线的定向性明显增强，E面、H面半功率波束宽度分别收缩了56．67°和26．60°，侧向辐射明显减弱，天线的增益提高了3．80dB。 TN822; 研究了一种基于平面网格状零折射率超材料的高定向性微带天线.利用超材料结构的平均效应实现了在10.24 GHz处介电常数为零,进而实现了超材料的折射率为零.实验结果表明,利用零折射率超材料对波束产生汇聚作用,使微带天线的定向性明显增强,E面、H面半功率波束宽度分别收缩了56.67°和26.60.,侧向辐射明显减弱,天线的增益提高了3.80 dB. |
| Author | 郭晓静 赵晓鹏 刘亚红 朱卫仁 |
| AuthorAffiliation | 西北工业大学应用物理系智能材料实验室,陕西西安710129 |
| AuthorAffiliation_xml | – name: 西北工业大学应用物理系智能材料实验室,陕西西安,710129 |
| Author_FL | Zhao Xiaopeng Guo Xiaojing Liu Yahong Zhu Weiren |
| Author_FL_xml | – sequence: 1 fullname: Guo Xiaojing – sequence: 2 fullname: Zhao Xiaopeng – sequence: 3 fullname: Liu Yahong – sequence: 4 fullname: Zhu Weiren |
| Author_xml | – sequence: 1 fullname: 郭晓静 赵晓鹏 刘亚红 朱卫仁 |
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| ClassificationCodes | TN822 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.0258-7998.2011.06.037 |
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| DocumentTitleAlternate | A high-directivity microstrip antenna based on zero-index metamaterial |
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| EndPage | 112 |
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| Keywords | 零折射率 微带天线 高定向性 |
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| Notes | Guo Xiaojing, Zhao Xiaopeng, Liu Yahong, Zhu Weiren （Smart material laboratory, Department of Applied Physics, Northwestern Polytechnical University, Xi ＇an 710129, China） high-directivity; microstrip antenna; zero-index metamaterial We design, fabricate, and experimental demonstrate a high-directivity microstrip antenna based on planar net-shaped zero-index metamaterial. An averaging effect over the metamaterial structure yields an zero permittivity at 10.24 GHz, which results in a metamaterial with zero index of refraction. The experimental results indicated that, the directivity of the zero-index microstrip antenna improved greatly, the half-power beamwidths reduction of E plane and H plane are 56.67° and 26,60°, respectively. Moreover, the side radiation reduced while the forward radiation increased, and the gain of the antenna is enhanced by 3.80 dB. 11-2305/TN |
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| Publisher | 西北工业大学应用物理系智能材料实验室,陕西西安,710129 |
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| Snippet | ... TN822; 研究了一种基于平面网格状零折射率超材料的高定向性微带天线.利用超材料结构的平均效应实现了在10.24... |
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| SubjectTerms | 微带天线 零折射率 高定向性 |
| Title | 基于零折射率超材料的高定向性微带天线 |
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