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J. KIMS Technol > Volume 21(6); 2018 > Article
Journal of the Korea Institute of Military Science and Technology 2018;21(6):752-759.
DOI: https://doi.org/10.9766/KIMST.2018.21.6.752   
Acceleration of the SBR Technique using Grouping of Rays
Jae-In Lee, Dal-Jae Yun, Seong-Jun Yang, Woo-Yong Yang, Jun-Woo Bae, Si-Ho Kim, Noh-Hoon Myung
1School of Electrical Engineering, Korea Advanced Institute of Science and Technology
2Advanced Instrumentation Institute, Korea Research Institute of Standards and Science
3Naval MFR Team, Hanwha Systems
4The 3rd Research and Development Institute, Agency for Defense Development
광선 그룹화를 이용한 SBR 가속기법
이재인, 윤달재, 양성준, 양우용, 배준우, 김시호, 명로훈
1한국과학기술원 전기 및 전자공학부
2한국표준과학연구원 첨단측정장비연구소
3한화시스템(주) 해상 MFR 팀
4국방과학연구소 제3기술연구본부
The SBR technique is one of the asymptotic high frequency method, where a dense grid of rays are launched and traced to analyze the scattering properties of the target. In this paper, we propose an accelerated SBR technique using grouping a central ray and 8 surrounding rays around the center ray. First, launched rays are grouped into groups consisting of a central ray and 8 surrounding rays. After the central ray of each group is preferentially traced, 8 surrounding rays are rapidly traced using the information of ray tracing for the central ray. Simulation result of scattering analysis for CAD models verifies that the proposed method reduces the computational time without decreasing the accuracy.
Key Words: RCS Analysis, SBR Technique, Ray Tracing
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