A Low-frequency Compact Lightweight Dual-polarization CATR Feed Antenna

被引：0
|
作者：
Zhu, Linhuan [1 ]
Dai, Ning [2 ]
Jin, Linqian [3 ]
Wang, Zhengpeng [3 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Sch Mech & Elect Engn, State Owned Machinery Factory Wuhu, Nanjing, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Sch Mech & Elect Engn, Nanjing, Peoples R China
[3] Beihang Univ, Sch Elect & Informat Engn, Beijing, Peoples R China
来源：
4TH ASIA CONFERENCE ON COMPUTERS AND COMMUNICATIONS, ACCC 2023 | 2024年 / 2722卷
关键词：
D O I：
10.1088/1742-6596/2722/1/012002
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
To address the issue of a large axial distance for low-frequency feed antennas, this paper presents a low-frequency compact lightweight dual-polarization CATR feed antenna. This feed antenna consists of a near-rhombus-shaped crossed dipole antenna with chamfers, a third-order horn enclosure, and a novel feed network based on 180 degrees hybrid couplers. Through design, the axial length of this feed source is approximately 290mm. The VSWR is less than 1.5, the HPBW is greater than 44.5 degrees from 300MHz to 500MHz. The phase centre varies less than 0.3 lambda and the cross-polarization isolation is below in the whole working frequency band.
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页数：6
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