A Compact Low-Sidelobe Circularly Polarized Microstrip Patch Array Based on Slow-Wave Transmission Line Feed Network

被引：0
|
作者：
Pu, Lin [1 ]
Li, Mei [1 ]
Tang, Ming-Chun [1 ]
机构：
[1] Chongqing Univ, Microelect & Commun Engn, Chongqing, Peoples R China
来源：
2021 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS (IMWS-AMP) | 2021年
关键词：
Slow wave transmission lines; Dolph-Chebyshev arrays; microstrip antenna array; sidelobe level;
D O I：
10.1109/IMWS-AMP53428.2021.9643907
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, a compact series-fed ten-element circularly polarized (CP) microstrip patch antenna array excited with Dolph-Chebyshev distribution implemented by stub-loaded slow-wave transmission line (SW-TL) feed network is proposed. Due to the slow-wave property of the SW-TL, the inter-element spacing of the array is as small as 0.3 lambda(0). It can achieve about 9.2% impedance bandwidth and 1.5% 3-dB axial ratio (AR) bandwidth. The simulated sidelobe level of the antenna array is -23dB and the antenna gain is 11.9 dBi.
引用
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页码：255 / 256
页数：2
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