Computer Science
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.3086..323c&link_type=abstract
Proc. SPIE Vol. 3086, p. 323-330, Acquisition, Tracking, and Pointing XI, Michael K. Masten; Larry A. Stockum; Eds.
Computer Science
Scientific paper
A multisensor distributed extended Kalman filtering algorithm is presented for nonlinear system, in which the dynamic equation of the system and the equations of sensor's measurements are linearized in the global estimate and global prediction respectively and the suboptimal global estimate based on all available information can be reconstructed from the estimates computed by local sensors based solely on their own local information and transmitted to the data fusion center. An analysis of the properties of the algorithm presented here shows that the global estimate has higher precision than the local one and smaller linearization error than the existing method. Finally, an application of the algorithm to radar/IR tracking of a maneuvering target is illustrated. Simulation results show the effectiveness of the algorithm.
Cui Ningzhou
Ma Yuanliang
Xie Weixin
Yu Xiongnan
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