Polarization Diversity Controllable Monopulse Antenna Array Design

被引：4
|
作者：
Karamzadeh, Saeid [1 ,2 ]
机构：
[1] Silicon Austria Labs SAL, Millimeter Wave Technol, Intelligent Wireless Syst, A-4040 Linz, Austria
[2] Bahcesehir Univ, Fac Engn & Nat Sci, Elect & Elect Engn Dept, TR-34349 Istanbul, Turkiye
来源：
IEEE ACCESS | 2023年 / 11卷
关键词：
Wideband; circularly polarized; monopulse antenna; polarization diversity;
D O I：
10.1109/ACCESS.2023.3238105
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The design of a compact and wideband circularly polarized (CP) Monopulse antenna is presented. Firstly, the small-sized antenna element (13mm x mm), with the impedance bandwidth (BW) of 80.5% (4.3-10.1 GHz) and axial ratio (AR) bandwidth of 48.1% (6-9.8 GHz), and the gain of 7.2 dBic is designed. The array structure consists of two rat-race couplers; two metalized via holes that generate sum and difference patterns, and four branch-line couplers for CP characteristic improvement. The proposed antenna is capable of controlling CP diversity in both sum and difference beams. Additionally, with 50% BW and 25% 3-dB AR results and also with null-depth of less than -48 dB, it is a convenient design for tracking purposes.
引用
收藏
页码：7078 / 7084
页数：7
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