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Application of Adaptive Extended Kalman Filter in Passive Targets Tracking

Fang Ling-wei

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Abstract

In this paper,we present an adaptive extended Kalman filter(AEKF) algorithm aiming at the issues such as divergence,slow convergence and low precision of filters in passive targets tracking.The algorithm can estimate the statistics features of the virtual state noise on-line and compensate the error caused by model’s non-linearization and reduce the error in observation for systems.Simulation results show that the algorithm improves the filtering convergence rate and the accuracy,and is better than the original extended Kalman filter(EKF).

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What this paper is about

In this paper,we present an adaptive extended Kalman filter(AEKF) algorithm aiming at the issues such as divergence,slow convergence and low precision of filters in passive targets tracking.The algorithm can estimate the statistics features of the virtual state noise on-line and compensate the error caused by model’s non-linearization and reduce the error in observation for systems.Simulation results show that the algorithm improves the filtering convergence rate and the accuracy,and is better than the original extended Kalman filter(EKF).

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Available abstract

In this paper,we present an adaptive extended Kalman filter(AEKF) algorithm aiming at the issues such as divergence,slow convergence and low precision of filters in passive targets tracking.The algorithm can estimate the statistics features of the virtual state noise on-line and compensate the error caused by model’s non-linearization and reduce the error in observation for systems.Simulation results show that the algorithm improves the filtering convergence rate and the accuracy,and is better than the original extended Kalman filter(EKF).

Key concepts: Invariant extended Kalman filter, Extended Kalman filter, Kalman filter, Control theory (sociology), Divergence (linguistics), Fast Kalman filter, Alpha beta filter, Computer science

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