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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Influence of Cross-Unit FSS on the Characteristics of Radar Absorbing Materials
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 889-892)
Author(s): Jian-bo Wang, School of Science, Changchun University of Science and Technology, Changchun, China
Jun Lu, School of Science, Changchun University of Science and Technology, Changchun, China
Xin-yi Chen, School of Science, Changchun University of Science and Technology, Changchun, China
Lian-chun Sun, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
Abstract: Complex FSS’s radar absorbing material is used as an effective means to stealth military objective from radar detection. Cross-unit FSS is designed in this paper and the absorbing material containing cross-unit FSS is numerically simulated by means of spectral domain approach. The reflection coefficient of microwave band at frequency 2-16GHz has been calculated and the influence of arrangement cycles on absorbing characteristics has been studied by adjusting unit spacing. The results show that cross-unit FSS expands absorbing materials’ bandwidth and decreases resonance frequency’s reflectivity. Meanwhile, the absorbing material’s bandwidth expands with the expansion of unit arrangement cycles and the resonance frequency drifts towards to high frequency. When unit spacing is 10mm, complex structure has greater absorbing ability with 22dB reflectivity and 1.76GHz -8dB bandwidth.
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