由红外警戒系统对来袭飞行体进行威胁排序是一个现实而重要的问题. 通过对目标飞行轨迹的参数化建模,提出了由红外传感器对目标角度和辐射功率的测量实现对目标距离和其它位置、速度参数估计的算法,从而可以此作为目标威胁程度估计和目标特性识别的依据. 仿真计算表明,该方法计算的精度高,对目标位置的初始先验值依赖程度较小. 该算法也适合于其它测量体制的目标运动参数估计.

Based on parameterized model of target flight orbit, this paper presents an algorithm to estimate target range and other location and velocity via infrared sensor, according to this, target threat degree and target identity can be discriminated. Simulation calculation confirms that this method is more accuracy, and depends less on a opriori knowledge of target location initial value. This algorithm can be used for target motion parameter estimation in other measure system.