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논문 기본 정보

자료유형
학술저널
저자정보
Yuna Kim (Yonsei University) Sangin Kim (Yonsei University) Doo-Soo Kim (Agency for Defense Development) Il-Young Oh (Dongyang Mirae University) Jong-Gwan Yook (Yonsei University)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.18 No.1
발행연도
2018.1
수록면
52 - 57 (6page)

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초록· 키워드

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Surface dielectric barrier discharge (SDBD), which is widely used to control turbulence in aerodynamics, has a significant effect on the radar cross-section (RCS). A four-way linearly synthesized SDBD air plasma actuator is designed to bolster the plasma effects on electromagnetic waves. The diffraction angle is calculated to predict the RCS because of the periodic structure of staggered electrodes. The simplified plasma modeling is utilized to calculate the inhomogeneous surface plasma distribution. Monostatic RCS shows the diffraction in the plane perpendicular to the electrode array and the notable distortion by plasma. In comparison, the overall pattern is maintained in the parallel plane with minor plasma effects. The trends also appear in the bistatic RCS, which has a significant difference in the observation plane perpendicular to the electrodes. The peaks by Bragg’s diffraction are shown, and the RCS is reduced by 10 dB in a certain range by the plasma effect. The diffraction caused by the actuator and the inhomogeneous air plasma should be considered in designing an SDBD actuator for a wide range of application.

목차

Abstract
I. INTRODUCTION
II. STRUCTURE OF A PLASMA ACTUATOR
III. EFFECT ON ELECTROMAGNETIC WAVES
IV. PLASMA MODELING FOR THE ACTUATOR
V. RCS OF THE TARGET
VI. CONCLUSION
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