Track-before-detect algorithm based on improved auxiliary particle PHD filter under clutter background

被引：0
|
作者：
Pei J. [1 ]
Huang Y. [1 ]
Dong Y. [1 ]
He Y. [1 ]
Chen X. [1 ]
机构：
[1] Naval Aviation University, Yantai
来源：
Journal of Radars | 2019年 / 8卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Auxiliary Particle Filter (APF); Parallel Partition (PP); Probability Hypothesis Density (PHD); Random Finite Set (RFS); Track-Before-Detect (TBD);
D O I：
10.12000/JR18060
中图分类号：
学科分类号：
摘要：
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. © 2019 Institute of Electronics Chinese Academy of Sciences. All rights reserved.
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页码：355 / 365
页数：10
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