零折射率超材料平面准八木天线的增益增强

2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2016-06-05 DOI:10.1109/ICMMT.2016.7762363

Jingtao Zhu, Guanghua Lu, Jianlin Zhang, Bo Li

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引用次数: 5

摘要

提出了一种用于平面准八木天线x波段增益增强的零折射率超材料(ZIM)结构。所提出的ZIM结构的零介电常数点在8.5 GHz左右得到。为了提高准八木天线的增益性能，在平面准八木天线的孔径内布置了ZIM单元格。仿真并制作了两种天线，对加载ZIM单元的平面准八木天线与传统天线进行了比较。测量结果表明，在8.7 ~ 11.5 GHz频段，ZIM小区的增益增强幅度为0.5 ~ 2.14 dB，证实了ZIM小区的增益增强效果。

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Gain enhancement for planar Quasi-Yagi antenna with zero-index metamaterial

A zero-index metamaterial (ZIM) structure is proposed for the gain enhancement of a planar Quasi-Yagi antenna on X-band. The zero permittivity point of the proposed ZIM structure is obtained at the frequency around 8.5 GHz. The ZIM unit cells are layout into the aperture of a planar Quasi-Yagi antenna to improve the gain performance. Two antennas are simulated and fabricated for a comparison, the planar Quasi-Yagi antenna loaded with the proposed ZIM cells and the conventional one. And the measurement results exhibit a gain enhancement of 0.5-2.14 dB in the frequency band of 8.7-11.5 GHz and the gain enhancement of the ZIM cells is confirmed.

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2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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