Design of Ultra-wideband Array Antenna Based on Tightly Coupled Technology

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Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing [1 ]
100094, China
不详 [2 ]
100094, China
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Nonlinear Opt. Quantum Opt | 2024年 / 3-4卷 / 273-283期
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摘要：
Based on the shortcomings of the current ultra wide band (UWB) array antenna research and the engineering requirements, a tightly-coupled UWB array antenna is designed. The antenna uses a tightly-coupled dipole array (TCDA) as the antenna radiator and is fed by Marchand Balun with gradual impedance. It has the characteristics of dual polarization, low profile and high gain. The antenna also uses a double-layer frequency selective surface (FSS) and a cross-shaped resistive absorbing material to improve the wide-angle scanning performance, especially the self-excited oscillation caused by the short circuit zero points at high frequency. Through the simulation analysis of the antenna by HFSS, it is concluded that the array has VSWR © 2024 Old City Publishing, Inc.
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