Design of a wideband radar absorbing structure

Author

Yildirim, Egemen ; Civi, Ozlem Aydin

Author_Institution

Radar, Electron. Warfare & Intell. Syst. Dept., ASELSAN Inc., Ankara, Turkey

fYear

2011

fDate

11-15 April 2011

Firstpage

1324

Lastpage

1327

Abstract

In this paper, a thin planar electromagnetic absorber consisting of two lossy Frequency Selective Surface (FSS) layers is introduced. The layers are separated by foam material and they are backed by the ground plane. Square rings and crossed dipoles are used in the design of these lossy layers. A wideband absorption characteristic is achieved for zero degrees of incidence angle which is the main point of interest. A simple and fast approach that combines the circuital approach together with the Genetic Algorithm is introduced to design a wideband radar absorbing structure.

Keywords

electromagnetic wave absorption; frequency selective surfaces; genetic algorithms; radar absorbing materials; FSS layer; foam material; frequency selective surface layer; genetic algorithm; thin planar electromagnetic absorber; wideband radar absorbing structure; Absorption; Frequency selective surfaces; Genetic algorithms; Impedance; Materials; Random access memory; Resistance; Radar Absorbing Material (RAM); genetic algorithm (GA); lossy frequency selective surfaces (FSS); surface impedance; thin absorber;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on

Conference_Location

Rome

Print_ISBN

978-1-4577-0250-1

Type

conf

Filename

5781752