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논문 기본 정보

자료유형
학술저널
저자정보
Jing Huang (Korea Advanced Institute of Science and Technology) Youngin Yoo (Korea Advanced Institute of Science and Technology) Seung-Joo Jo (Hanwha Systems,) Chang-Won Seo (Hanwha Systems) Si-A Lee (Hanwha Systems) Seong-Sik Yoon (Hanwha Systems) Seong-Ook Park (Korea Advanced Institute of Science and Technology)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.24 No.6
발행연도
2024.11
수록면
565 - 573 (9page)

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초록· 키워드

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Metallic mesh with complex woven structures is commonly used as the surface in large aperture spaceborne reflector antennas. To study the electrical properties of mesh surfaces characterized by intricate patterns, this paper presents a method for building models to analyze complex meshes. High Frequency Structure Simulator and Computer Simulation Technology (CST) simulation of the reflection coefficients, with Astrakhan’s formulation as a reference, confirm that applying the wire-grid model in CST using the tetrahedral mesh type provides sufficiently accurate results. Furthermore, the rectangular periodic wire-grid model is simulated in CST, and its results are com- pared with those of Astrakhan’s formulation. Correlations between reflection characteristics and influence factors, including mesh opening size, wire diameter, nature of wire contact, and wave incident angle, are investigated. To exemplify the applicability of the wire-grid model to complex mesh with irregular pattern shapes, the reflection coefficients of a warp-knitted gold-coated molybdenum mesh woven by multi-wires are measured and compared to the simulated results from the wire-grid model. The results prove that the method proposed in this paper is suitable for modeling metal mesh with complex weave patterns.

목차

Abstract
I. INTRODUCTION
II. APPROXIMATION OF ASTRAKHAN’S FORMULATION
III. CHARACTERISTICS OF THE WIRE -GRID MODEL
IV. APPLICABILITY VERIFICATION FOR COMPLEX MESH PATTERNS
V. CONCLUSION
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