Journal of the Korea Society for Simulation (한국시뮬레이션학회논문지)

The Korea Society for Simulation (한국시뮬레이션학회)
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Modeling and Simulation of Target Existence Probability in Tactical Guidance Missile Seeker Image

영상탐색기 적용 전술유도무기 영상 내 표적존재확률 분석을 위한 M&S 설계 및 분석

  • Received : 2015.11.02
  • Accepted : 2015.11.27
  • Published : 2015.12.31
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Abstract

Maximum lock-on distance in tactical guidance missile using seeker image is estimated by seeker's FOV, resolution and performance of tracking algorithm. In case, a missile is launched beyond the maximum lock-on distance, the missile is guided by INS pure navigation until it enters the lock-on possible zone. However, the probability of a target's existence within seekers images decreases as flight time goes by. Therefore, it is crucial to determine the distance that satisfies a certain target existence probability (TEP) and the maximum lock-on distance in order for an operator to take over the navigation role between two distances. In this paper, simulation which can analyse TEP in tactical guided missile seeker image is designed.

탐색기 적용 전술유도무기의 탐색기는 전술유도무기 개발 간 제한된 직경과 무게로 설계된다. 이러한 경우, 하드웨어 특성에 의해 탐색기 시야각, 분해능, 추적 알고리즘 등의 탐색기 성능에 제한이 존재하게 되고, 이로 인해 최대 표적포착 가능거리가 정해지게 된다. 장사거리용 전술유도무기의 경우 최대 표적포착 가능거리 이전까지는 INS 순수항법 또는 GPS/INS 통합항법으로 항법 유도비행을 수행하는데, INS 순수항법은 비행시간이 증가함에 따라 항법성능이 급격하게 감소하고, GPS/INS 통합항법의 경우 재밍상황에서 항법성능이 급격하게 감소한다. 본 논문에서는 앞서 언급한 최대 표적포착 가능거리와 항법장치 성능등 다양한 변수를 고려하여 전술유도무기 체계 관점에서 탐색기 영상 내 표적존재확률에 대해 분석할 수 있는 시뮬레이션을 수행하였다.

Keywords

References

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