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http://dx.doi.org/10.9766/KIMST.2019.22.5.607

Analysis of Discontinuous Structure Effect in Frequency Selective Radome Manufacturing  

Lee, Sang-Hwa (Department of Information Communication Engineering, Kongju National University)
Hong, Ic-Pyo (Department of Information Communication Engineering, Kongju National University)
Kim, Yoon-Jae (Aerospace Technology Research Institute, Agency for Defense Development)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.22, no.5, 2019 , pp. 607-615 More about this Journal
Abstract
In this paper, the electromagnetic effects on the discontinuity structures of the frequency selective radome in manufacturing process based on the X-band were analyzed. In order to fabricate a curved radome using a planar frequency selective surface structure, it is assumed that gaps, slanted gaps, pattern damage, and pattern misalignment between FSS patterns, which are discontinuous elements that can occur at the joint surface of the FSS panel. FSS specimens including continuous elements were fabricated and the frequency transmission characteristics were measured in a free space measurement environment. From the measurement results, resonance frequency shift, transmission performance degradation, and bandwidth variations were found to be the largest when the damaged pattern was bonded to the junction of FSS panels.
Keywords
Frequency Selective Surface; FSS Radome; Discontinuous FSS;
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