基于RK-UKF算法的再入目标质阻比估计
Journal of Air Force Radar Academy（2011）
Abstract
针对再入目标质阻比实时估计的问题,根据目标的三维再入运动模型及量测模型,提出了一种基于龙格-库塔(Runge-Kutta)积分的不敏卡尔曼滤波(UKF)算法(RK-UKF)的再八目标质阻比估计方法,给出了RK-UKF算法与扩展卡尔曼滤波(EKF)算法和不敏卡尔曼滤波算法的仿真比较.仿真结果表明,RK-UKF算法可实现对再入目标的高精度跟踪和其质阻比快速稳定的估计.
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Key words
Runge-Kutta integral,reentry target,mass-to-drag ratio,unscented Kalman filter(UKF)
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