High Gain Circularly Polarized Antenna using Sub-Wavelength Resonant Cavity
High Gain Circularly Polarized Antenna using Sub-Wavelength Resonant Cavity
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DOI：
10.1163/156939310790322109
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发表时间：
2010-01
影响因子：
1.3
通讯作者：
G. Zhao;Y. Jiao;F. Zhang;X. Yang
中科院分区：
文献类型：
--
作者：
G. Zhao;Y. Jiao;F. Zhang;X. Yang
提出了一种新型亚波长谐振腔高增益圆极化天线。谐振腔由单个部分反射面(PRS)和人工阻抗面(AIS)组成。在工作频率下，通过调整两个反射器的反射相位，可以将两个反射器之间的空腔高度减小到λ/8左右。测量结果表明，这种方法是有效的，并且这种结构可以大大提高天线的圆极化增益。
A novel high gain circularly polarized antenna using sub-wavelength resonant cavity is presented. The resonant cavity consists of a single partially reflective surface (PRS) and an artificial impedance surface (AIS). By adjusting reflection phases of the PRS and AIS at the operating frequency, the cavity height that is the distance between these two reflectors can be reduced to about λ/8. The measured results show that this method is effective, and this structure can greatly increase the circular polarization gain of the antenna.