Wideband High-Gain Circularly-Polarized Low RCS Dipole Antenna With a Frequency Selective Surface

被引：15

作者：

Sharma, Ankit ^{[1
]}

Kanaujia, Binod Kumar ^{[2
]}

Dwari, Santanu ^{[1
]}

Gangwar, Deepak ^{[3
]}

Kumar, Sachin ^{[4
]}

Choi, Hyun Chul ^{[4
]}

Kim, Kang Wook ^{[4
]}

机构：

[1] ITT ISM Dhanbad, Dept Elect Engn, Dhanbad 826004, Bihar, India

[2] Jawaharlal Nehru Univ, Sch Computat & Integrat Sci, New Delhi 110067, India

[3] Bharati Vidyapeeths Coll Engn, Dept Elect & Commun Engn, New Delhi 110063, India

[4] Kyungpook Natl Univ, Sch Elect Engn, Daegu 41566, South Korea

来源：

IEEE ACCESS | 2019年 / 7卷 / 156592-156602期

基金：

新加坡国家研究基金会;

关键词：

Frequency selective surfaces; Dipole antennas; Slot antennas; Resonant frequency; Bandwidth; Substrates; Reflector antennas; Circular polarization; FSS; gain; RCS; wideband; DUAL-BAND; REDUCTION; ENHANCEMENT;

D O I：

10.1109/ACCESS.2019.2948176

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A low radar cross-section (RCS) wideband circularly-polarized (CP) dipole antenna using a frequency selective surface (FSS) is presented in this paper. A planar dipole antenna consists of a pair of slotted patches fabricated on top and bottom sides of the substrate is designed. The slotted patches are connected through a circular ring, which acts as a delay line to achieve circular polarization. In the proposed configuration, a band-stop FSS is employed for the antenna reflector, which improves the radiation performance and reduces the RCS of the dipole antenna. The impedance bandwidth (S11 10 dB) of the proposed antenna is 0.95 to 3.1 GHz and 3-dB axial ratio bandwidth (ARBW) is 1.9 to 2.35 GHz. The proposed antenna shows the maximum and average RCS reduction of 20 dB and 6.9 dB, respectively, in the frequency range of 3.7 to 18 GHz. The simulated and measured results show that the maximum gain of the antenna increases by 5.9 dB by using FSS.

引用

页码：156592 / 156602

页数：11

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