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具有谐波抑制性质的开槽微带天线 被引量:2

Slot microstrip antenna with harmonic control
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摘要 提出了一种抑制谐波的同轴馈电微带天线.在微带天线辐射贴片的同轴馈电位置周围引入圆对称槽结构,实现了谐波抑制特性.研究了该圆对称槽结构抑制微带天线谐波特性的有效性.试验结果表明,在微带天线辐射贴片的同轴馈电位置附近引入圆对称槽结构能明显抑制谐波.测试的增益方向图表明,该天线与参考天线相比,在2次和3次谐波频率上,前向辐射压制为20~25dB以上,基模频率的前向增益和后向辐射没有明显变化. With the introduction of the circularly symmetrical slot near the coaxial feed location of the square microstrip antenna patch, harmonic suppression performance can be realized in the antenna. Effectiveness of the circularly symmetrical slot for harmonic suppression is studied. Experimental results show that application of the circularly symmetrical slot near the coaxial feed location of the microstrip antenna patch can remarkably suppress the harmonic frequencies. Measured radiation patterns indicate that the forward radiation is Suppressed by more than 20- 25 dB at the second and the third harmonic frequencies compared with the reference antenna, while both the forward radiation gain and the backward radiation at the fundamental mode resonant frequency remains basically unchanged.
出处 《西安电子科技大学学报》 EI CAS CSCD 北大核心 2013年第6期101-104,192,共5页 Journal of Xidian University
基金 国家自然科学基金资助项目(61072020) 中央高校基本科研业务费专项资金资助项目(K50510020006)
关键词 微带天线 谐波抑制 圆对称槽结构 辐射方向图 mierostrip antenna harmonic suppression circularly symmetrical slot structure antennaradiation patterns
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参考文献13

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二级参考文献9

  • 1陈文灵.分形几何在微波工程中的应用研究[D].西安:空军工程大学,2008. 被引量:9
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  • 4Liu H, Li Z, Sun X, etal. Harmonic Suppression with Photonic Bandgap and Defected Ground Structure for a Microstrip Patch Antenna [ J ]. IEEE Microwave and Wireless Components Letters, 2005, 15:55-56. 被引量:1
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  • 9曾会勇,王光明,王亚伟,梁建刚.逆开环谐振器在微带天线谐波抑制中的应用[J].微波学报,2010,26(4):84-86. 被引量:7

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