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논문 기본 정보

자료유형
학술저널
저자정보
Won-Ho Choi (Korean Air) Woon-Hyung Song (Korean Air) Won-Jun Lee (Agency for Defense Development)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.20 No.4
발행연도
2020.10
수록면
254 - 261 (8page)

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초록· 키워드

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In this study, a novel broadband radar absorbing volume structure (RAVS) is proposed and demonstrated with a practical point of view from design to fabrication. The proposed RAVS uses a design concept of repeatedly stacked carbon nanotube (CNT) composites and foam cores of the same thickness to improve the applicability to real structures while maintaining absorption performance. The repeatedly stacked CNT composites, which act as electrically lossy materials, result in the multiple scattering of incident electromagnetic waves trapped inside the structure. The trapped incident waves then lose their energy by multiple scattering. Based on this design concept, the RAVS designed through field analysis and parametric study achieved a -10 ㏈ absorption performance from 4 ㎓ to 16 ㎓. With reference to the design values, RAVS was fabricated for verification, and the absorption performance was measured using a free space measurement system. The measurement result showed excellent absorption performance that satisfied -10 ㏈ from 5.8 ㎓ or less to 14 ㎓.

목차

Abstract
I. INTRODUCTION
II. MATERIAL PREPARATION
III. DESIGN PRINCIPLES
IV. DESIGN OF THE RAVS
V. FABRICATION AND MEASUREMENT OF THE RAVS
VI. CONCLUSION
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