Volume 8 Issue 3
Jun.  2019
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Article Navigation >  Journal of Radars  > 2019  >  8(3): 355-365
PEI Jiazheng, HUANG Yong, DONG Yunlong, et al. Track-before-detect algorithm based on improved auxiliary particle PHD filter under clutter background[J]. Journal of Radars, 2019, 8(3): 355–365. doi: 10.12000/JR18060
Citation: PEI Jiazheng, HUANG Yong, DONG Yunlong, et al. Track-before-detect algorithm based on improved auxiliary particle PHD filter under clutter background[J]. Journal of Radars, 2019, 8(3): 355–365. doi: 10.12000/JR18060
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Track-Before-Detect Algorithm Based on Improved Auxiliary Particle PHD Filter under Clutter Background

doi: 10.12000/JR18060

  • Naval Aviation University, Yantai 264001, China

Funds:  The National Natural Science Foundation of China (U1633122, 61871391, 61471382, 61531020, 61671462), National Defense Science Foundation (2102024), Young Elite Scientist Sponsorship Program of CAST (YESS20160115)
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  • Corresponding author: HUANG Yong, huangyong_2003@163.com
  • Received Date: 2018-08-23
  • Rev Recd Date: 2018-11-05
    • Available Online: 2019-01-10
  • Publish Date: 2019-06-01
    Abstract
  • Under the clutter background condition, the existing particle filter pre-detection tracking algorithm based on Probability Hypothesis Density (PHD) filtering is not accurate enough to estimate the number of targets in dense multi-objectives. In this study, the concept of two-layer particle is introduced. The Auxiliary Particle Filter (APF) based on Parallel Partition (PP) theory is applied to PHD-TBD. The Auxiliary Parallel Partition Particle Filter (which is based on APF and PP) Track-Before-Detect based on the Probability Hypothesis Density filter (APP-PF-PHD-TBD) algorithm is proposed to improve the target number and state estimation accuracy. The simulation results show that, compared with the existing PHD-filtering-based particle filter track-before-detect algorithm, the proposed algorithm has significant performance advantages in target number and state estimation accuracy. These advantages are particularly obvious in dense target scenarios. Finally, the sea clutter background data obtained using the navigation radar prove that the proposed algorithm outperforms the existing PHD-filtering-based particle filter track-before-detect algorithm in application.

     

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