Design of Vivaldi Antenna With Wideband Radar Cross Section Reduction

被引:56
作者
Rajesh, N. [1 ]
Malathi, K. [1 ]
Raju, S. [2 ]
Kumar, V. Abhai [2 ]
Prasath, S. Deepak Ram [2 ]
Alsath, M. Gulam Nabi [3 ]
机构
[1] Anna Univ, CEG, Dept Elect & Commun Engn, Madras 600025, Tamil Nadu, India
[2] Thiagarajar Coll Engn, Dept Elect & Commun Engn, Madurai 625015, Tamil Nadu, India
[3] SSN Coll Engn, Dept Elect & Commun Engn, Madras 603110, Tamil Nadu, India
关键词
Antenna scattering; radar cross section (RCS); stealth antenna; ultrawideband antenna; RCS REDUCTION; PATCH ANTENNA;
D O I
10.1109/TAP.2017.2670566
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
In this communication, radar cross section (RCS) reduction of Vivaldi antenna is achieved with structural modifications. This is realized by removing a portion of the metal from the radiator and implementing periodic slots adjacent to the radiating edge. These slots reduce the perpendicular reflections from the radiator, which causes reduction of the monostatic RCS. The proposed Vivaldi antenna operates from 4 to 12 GHz with 10 dB additional RCS reduction when compared with the reference Vivaldi antenna. The prototype is fabricated and its performance is validated using measurements.
引用
收藏
页码:2102 / 2105
页数:4
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