YU Hongbo, WANG Guohong, CAO Qian, SUN Yun. A Fusion Based Particle Filter TBD Algorithm for Dim Targets[J]. Chinese Journal of Electronics, 2015, 24(3): 590-595. doi: 10.1049/cje.2015.07.026
Citation: YU Hongbo, WANG Guohong, CAO Qian, SUN Yun. A Fusion Based Particle Filter TBD Algorithm for Dim Targets[J]. Chinese Journal of Electronics, 2015, 24(3): 590-595. doi: 10.1049/cje.2015.07.026

A Fusion Based Particle Filter TBD Algorithm for Dim Targets

doi: 10.1049/cje.2015.07.026
Funds:  This work is supported by the National Natural Science Foundation of China (No.61372027, No.61179018).
  • Received Date: 2012-10-11
  • Rev Recd Date: 2014-11-18
  • Publish Date: 2015-07-10
  • A Fusion based particle filter track-beforedetect algorithm (FPF-TBD) is proposed for dealing with dim targets, in which the importance density function of the Particle filter (PF) is generated by means of a fusion algorithm. In order to construct an accurate approximation to the true proposal distribution, the state at each time scan is predicted according to the Extended Kalman filter algorithm (EKF) and the Unscented Kalman filter (UKF) simultaneously. The information, based on the recursion of the weights, is gathered over multiple scans, and the detection decision is made based on tracking results at the end of the processing chain. By making best use of the recent measurements, this new proposed method can obtain an accurate approximation to the system and as a result, improve the track accuracy and detection performance. Simulation results illustrate the effectiveness of this approach.
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