为有效提高异类传感器融合跟踪的效果,提出了一种基于UKF的雷达和机载ESM扩维跟踪算法。首先将目标和机载ESM的状态信息组合起来,形成一个高维的状态向量,从而有效抑制滤波中GPS定位误差所带来的影响;接着在此基础上采用UKF来实现目标的定位跟踪,以求进一步减小扩维后线性化误差加大等问题的影响。仿真结果表明,该算法可更好地实现对目标的定位跟踪。
In order to improve the fusion tracking of radar and airborne ESM sendors,an augmented tracking algorithm is proposed based on unscented Kalman filter(UKF).For this method,a high dimension state vector is formed by combining the state information of target and airborne ESM firstly,then the UKF is further used to improve such issues as the increasing of linearization error after augmenting.Simulation results show that target tracking can be finished more effectively by the using the proposed method.