| 基于蘑菇状谐振器的谐波抑制的微带贴片天线 |
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| 引用本文： | 谢欢欢,焦永昌,杨彬,张福顺. 基于蘑菇状谐振器的谐波抑制的微带贴片天线[J]. 微波学报, 2011, 27(5): 40-43 |
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| 作者姓名： | 谢欢欢 焦永昌 杨彬 张福顺 |
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| 作者单位： | 西安电子科技大学天线与微波技术国防科技重点实验室,西安,710071 |
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| 摘 要： | 提出了一种基于耦合谐振器的微带贴片天线谐波抑制的方法。通过在微带天线馈线与地板之间增加蘑菇状电磁带隙（EBG）单元的谐振器,有效地抑制了天线的2次和3次谐波,减少了谐波辐射对周围微波器件的干扰。对天线的等效电路模型进行了详细分析和研究,通过改变参数令谐振器工作在天线的谐波频率上,从而抑制天线的谐波辐射。为了对理论分析进行验证,我们加工了实物模型并进行测试,测试的数据显示微带天线的2次谐波减少了11.6dB,3次谐波减少了8.4dB。
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| 关 键 词： | 微带贴片天线 谐波抑制 谐振器 电磁带隙单元 |
Harmonic-Suppressed Microstrip Patch Antenna Based on Mushroom-Like Resonators |
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| XIE Huanhuan,JIAO Yongchang,YANG Bin,ZHANG Fushun. Harmonic-Suppressed Microstrip Patch Antenna Based on Mushroom-Like Resonators[J]. Journal of Microwaves, 2011, 27(5): 40-43 |
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| Authors: | XIE Huanhuan JIAO Yongchang YANG Bin ZHANG Fushun |
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| Affiliation: | XIE Huan-huan,JIAO Yong-chang,YANG Bin,ZHANG Fu-shun(National Key Laboratory of Antennas and Microwave Technology,Xidian University,Xi'an 710071,China) |
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| Abstract: | A harmonic-suppressed method of microstrip patch antennas based on coupled resonators is proposed.By adding mushroom-like Electromagnetic band-gap(EBG) unit resonators between the feed and the ground plane of the microstrip patch antenna,the second and third harmonics of the antenna are effectively suppressed,which can reduce the interference of the harmonic radiation on the microwave devices around.The equivalent circuit model of the antenna is analyzed and studied.The resonators are designed to work at th... |
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| Keywords: | microstrip patch antenna harmonic suppression resonator electromagnetic band-gap unit |
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