A Circularly Polarized High-Gain Antenna With Low RCS Over a Wideband Using Chessboard Polarization Conversion Metasurfaces
日期:2018-03-25 20:35 点击量:
Title: A Circularly Polarized High-Gain Antenna With Low RCS Over a Wideband Using Chessboard Polarization Conversion Metasurfaces
Author: Li, K (Li, Kun); Liu, Y (Liu, Ying); Jia, YT (Jia, Yongtao); Guo, YJ (Guo, Y. J.)
Source: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION Volume: 65 Issue: 8
Pages: 4288-4292 DOI: 10.1109/TAP.2017.2710231 Published: AUG 2017
摘要:文章提出一种基于棋盘极化转换表面的提高增益和实现RCS减缩的方法。通过调整三层的贴片结构,使相邻的PCMs单元实现180°的反射相位差,同时利用施加FP谐振腔来实现增益提高,该圆极化PCMs工作在X频段上,仿真和实测显示在8.5-9.5GHz上该左旋圆极化天线相比于传统的天线能够实现至少3dB的增益提高,并且在6-14GHz有着明显的RCS减缩。
CPCM天线实物图及垂直入射波下RCS仿真实测对比