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J. KIMS Technol > Volume 22(5); 2019 > Article
Journal of the Korea Institute of Military Science and Technology 2019;22(5):607-615.
DOI: https://doi.org/10.9766/KIMST.2019.22.5.607   
Analysis of Discontinuous Structure Effect in Frequency Selective Radome Manufacturing
Sang-Hwa Lee, Ic-Pyo Hong, Yoon-Jae Kim
1Department of Information Communication Engineering, Kongju National University
2Aerospace Technology Research Institute, Agency for Defense Development
주파수 선택 구조 레이돔 제작 과정에서 발생 가능한 불연속적 구조의 영향 분석
이상화, 홍익표, 김윤재
1공주대학교 정보통신공학과
2국방과학연구소 항공기술연구원
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.
Key Words: Frequency Selective Surface, FSS Radome, Discontinuous FSS


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