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Analysis of the Optimal Frequency Band for a Ballistic Missile Defense Radar System

  • Nguyen, Dang-An (Department of Information Communication, Materials, and Chemistry Convergence Technology, Soongsil University) ;
  • Cho, Byoungho (Department of Information Communication, Materials, and Chemistry Convergence Technology, Soongsil University) ;
  • Seo, Chulhun (Department of Information Communication, Materials, and Chemistry Convergence Technology, Soongsil University) ;
  • Park, Jeongho (LIG Nex1 Company) ;
  • Lee, Dong-Hui (LIG Nex1 Company)
  • Received : 2018.02.23
  • Accepted : 2018.06.19
  • Published : 2018.10.31

Abstract

In this paper, we consider the anti-attack procedure of a ballistic missile defense system (BMDS) at different operating frequencies at its phased-array radar station. The interception performance is measured in terms of lateral divert (LD), which denotes the minimum acceleration amount available in an interceptor to compensate for prediction error for a successful intercept. Dependence of the frequency on estimation accuracy that leads directly to prediction error is taken into account, in terms of angular measurement noises. The estimation extraction is performed by means of an extended Kalman filter (EKF), considering two typical re-entry trajectories of a non-maneuvering ballistic missile (BM). The simulation results show better performance at higher frequency for both tracking and intercepting aspects.

Keywords

Intercepting Prediction;Kalman Filter;Midway Guidance;Terminal Guidance;Tracking Radar

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