Ultra-wideband RCS Reduction and Gain Enhancement of Aperture-Coupled Antenna Based on Hybrid-FSS

被引：5

作者：

Cong, Lili ^{[1
]}

Cao, Xiangyu ^{[1
]}

Song, Tao ^{[1
]}

机构：

[1] Air Force Engn Univ, Informat & Nav Coll, Xian 710077, Shaanxi, Peoples R China

来源：

RADIOENGINEERING | 2017年 / 26卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Ultra-wideband; frequency selective surface; polarization dependent; radar cross section; split ring resonator; CROSS-SECTION REDUCTION; FREQUENCY-SELECTIVE SURFACES; GROUND PLANES; ABSORBER; DESIGN; ANGLE;

D O I：

10.13164/re.2017.1041

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel design of aperture-coupled microstrip antenna with ultra-wideband low radar cross section (RCS) is proposed. Hybrid frequency selective surface (FSS) structures consisting of two kinds of polarization-dependent folded split ring resonators (PDFSRRs) and square patches are utilized to replace the conventional metallic ground. By orthogonally arranging the PDFSRRs in a chessboard-like configuration, the band-stop characteristic contributes to the gain enhancement, while the zero degree reflection phase points and wave-transmission characteristic are utilized to achieve RCS reduction both in-band and out-of-band. Furthermore, with square patches periodically etched on the bottom of FSS structures, a new zero degree reflection phase is introduced to enhance the effect of RCS reduction. Full wave simulations and measurements demonstrate that the proposed antenna achieves RCS reduction from 1 GHz to 18 GHz and gain enhancement compared with traditional microstrip antenna.

引用

页码：1041 / 1047

页数：7

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