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Research on Target Location Algorithm of Multi-Sensor Based on Distributed Information Fusion
Received date: 2019-10-22
Online published: 2022-04-28
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Aiminging at the problem of state information fusion in single platform multi-sensor tracking and positioning, and taking active/passive radar for example,based on distributed information fusion structure, firstly, the performance of several commonly used non-linear filtering algorithm under active and passive radar observation conditions is explored. Then, the corresponding best performance methods is selected separately, and combined with the fusion algorithm of covariance intersection(CI)with feedback, the target state fusion is carried out considering the normal operation of active and passive radar and the jamming of active radar at different times. The simulation results show that the state estimation based on active and passive radar information fusion is more stable and accurate than that based on single radar observation information when radars work normally. If the active radar is jammed by active interference after convergence of tracking filtering alone, the target state estimation based on information fusion method is more stable and accurate than that estimated by passion radar filtering alone.
Key words: multi-sensor; information fusion; non-linear; state estimation; active jamming
CHEN Lin-xiu , SONG Chuang , FAN Yu , ZHANG Hang . Research on Target Location Algorithm of Multi-Sensor Based on Distributed Information Fusion[J]. Command Control and Simulation, 2020 , 42(2) : 28 -33 . DOI: 10.3969/j.issn.1673-3819.2020.02.006
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