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Frequency selective surfaces for the RCS reduction of low frequency antennas

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Author: Monni, S. · Gerini, G. · Neto, A.
Type:article
Date:2006
Publisher: IEEE
Place: Piscataway, NJ
Institution: TNO Defensie en Veiligheid
Source:European Conference on Antennas and Propagation, EuCAP 2006, 6-10 November 2006, Nice, France
Identifier: 239509
doi: doi:10.1109/EUCAP.2006.4584493
Report number: ESA SP 626
Keywords: Frequency selective surfaces · Radar cross section · Ship antennas · Radiation measurements · Computer simulation · Directional patterns (antenna) · Frequency bands · Broadcasting antennas

Abstract

This paper describes the design and measurement of a two-layers gangbuster Frequency Selective Surface (FSS). The FSS is aimed to limit the RCS of the compartment of a ship's mast housing telecommunication antennas and should guarantee a pass-band at low frequencies, in the operating band of the antennas, while reflecting the incoming signal at higher frequencies, up to 20 GHz. Based on the design, a panel has been manufactured and measured in three frequency bands: S-band, X-band and quasi L-band. The measurement results obtained for the first two bands are in good agreement with the simulations. Measurements in the third band pose some challenges and required defining a new ad-hoc measurement setup.