해상 운용 조건에서의 함정 요동에 따른 레이다 빔 조향 성능 M&S 분석

박명훈¹^{, *} ; 고진용² ; 김정² ; 이성균² ; 장재덕²

1LIG넥스원 해양연구소 선임연구원
2LIG넥스원 해양연구소 수석연구원

M&S-based Analysis of Radar Beam Steering According to Ship Motion under Maritime Operating Conditions

Myunghoon Park¹^{, *} ; Jinyong Go² ; Jeong Kim² ; Sungkyun Lee² ; Jaedeok Jang²

1Research engineer, Maritime R&D Center, LIG Nex1
2Chief research engineer, Maritime R&D Center, LIG Nex1

Correspondence to: ^*Myunghoon Park Maritime R&D Center, LIG Nex1 333 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13488, Republic of Korea Tel: +82-31-5179-7267 Fax: +82-31-5179-7086 E-mail: myunghoon.park2@lignex1.com

초록

해상에서 운용되는 함정에 탑재된 레이다는 파랑에 의한 지속적인 요동에 노출되며, 이에 따라 실시간 빔 조향 보상이 필요하다. 본 연구에서는 해상 상태, 함정 속도, 파도의 진입각 등 현실적인 외란 조건을 반영하고, 빔 조향 알고리즘 기반 레이다 모델, RAO 기반 함정 운동 모델을 통합한 시뮬레이션 도구를 구성하였다. 시뮬레이션 결과, 예측 보상은 일정 조건에서 지연 보상 대비 의미 있는 성능 개선을 보였다.

Abstract

Shipborne radars operating in maritime environments are continuously subjected to platform motion induced by sea waves, requiring real-time beam compensation to maintain tracking accuracy. This study proposes an integrated modeling and simulation framework that incorporates realistic sea states, ship speeds, and wave incident angles, combining a radar signal model based on predictive beam steering algorithm, a ship motion model based on response amplitude operators. Simulation results demonstrate that predictive compensation can provide significant performance improvement under certain conditions compared to delayed compensation.

Keywords:

Sea Environment, Beam Compensation, Ship Motion, Beam Steering Loss, Radar Modeling and Simulation

키워드:

해상 환경, 빔 보상, 함정 운동, 빔 조향 손실, 레이다 M&S

References

J. H. Lee, S. H. Hwang, K. J. Kim, J. Y. Go, and H. G. Kim, “Analysis of Small Sea-surface Targets Detection Performance Using Low-altitude Surveillance Radar,” Journal of the Korea Institute of Military Science and Technology, Vol. 23, No. 5, pp. 567-574, Oct. 2020.
M. N. Muralidhara, M. Kumar, V. Vinod, S. L. Sharath, and B. Dharani, “Quantitative Analysis of Effects of Ship’s Roll and Pitch on Radar Target Detection Performance,” International Journal of Engineering Development and Research, Vol. 8, No. 4, pp. 318-324, 2020.
M.-H. Park, J.-Y. Go, W.-J. Jeon, H.-S. Kim, S.-W. Kwon, S.-K. Lee, S.-H. Ryu, and S.-H. Kim, “Variation of Radar Performance by Ship Motion According to Sea State,” Journal of the Korean Institute of Electromagnetic Engineering and Science, Vol. 32, No. 5, pp. 475-483, May 2021. [https://doi.org/10.5515/KJKIEES.2021.32.5.475]
M. H. Park, H. S. Kim, W. J. Jeon, S. K. You, S. W. Kwon, H. W. Moon and K. W. Lee, “Development of Modeling & Simulation Tool for Long Range Radar Considering Operational Environment in Time Domain,” The Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 30, No. 7, pp. 591-602, Jul. 2019. [https://doi.org/10.5515/KJKIEES.2019.30.7.591]
D. W. Tufts and A. J. Cann, “On Albersheim’s Detection Equation,” IEEE Trans. Aerospace&Electronic Systems, Vol. AES-19, No. 4, pp. 644-646, July 1983. [https://doi.org/10.1109/TAES.1983.309356]
DNV, “SESAM User Manual: WASIM: Wave Loads on Vessels with Forward Speed,” Det Norske Veritas, Høvik, Norway, DNV Report No. 2003-0209, 2014.
J. H. Yun, J. W. Paik, J. I. Park, K. C. Yoon, and K. S. Kim, “A Study of Motion Compensation for Electronic Beam on Sea Environments,” Journal of the Korean Institute of Electromagnetic Engineering and Science, Vol. 33, No. 12, pp. 960-965, Dec. 2022. [https://doi.org/10.5515/KJKIEES.2022.33.12.960]