现代防御技术 ›› 2025, Vol. 53 ›› Issue (1): 23-36.DOI: 10.3969/j.issn.1009-086x.2025.01.003
收稿日期:
2024-08-29
修回日期:
2024-10-27
出版日期:
2025-02-28
发布日期:
2025-02-27
作者简介:
于勇政(1999-),男,黑龙江鸡西人。硕士生,研究方向为多平台协同。
基金资助:
Yongzheng YU, Wei WANG, Zhiwei PU
Received:
2024-08-29
Revised:
2024-10-27
Online:
2025-02-28
Published:
2025-02-27
摘要:
针对多平台被动、主动雷达探测信息异步和高密度杂波混叠导致多目标状态估计精度下降与多目标数量过度估计的问题,提出基于信息关联加权的概率假设密度滤波算法。构建多目标跟踪模型,并分析了现有算法易受杂波影响的机理。推导了基于信息关联加权的多目标跟踪算法,根据目标速度和可容忍误差设置容忍时间参数,将异步时间较短的探测信息近似为同步,利用关联算法筛选来源于同一目标的被动、主动雷达信息,利用最小方差加权融合提升探测精度,而随机分布的杂波由于角度数值差距较大导致难以关联而被剔除。仿真分析表明,所提算法相比于现有算法提升了多目标状态估计精度,减少多目标数量过度估计情况。
中图分类号:
于勇政, 王伟, 蒲治伟. 基于信息关联加权的多目标跟踪算法[J]. 现代防御技术, 2025, 53(1): 23-36.
Yongzheng YU, Wei WANG, Zhiwei PU. Multi-target Tracking Algorithm Based on Information Association and Weighting[J]. Modern Defense Technology, 2025, 53(1): 23-36.
计算结果 | SP | FTP | IAW |
---|---|---|---|
计算复杂度 | — | O(N2) | N2·O(mn2) |
P(0)计算时间/s | 145.254 7 | 40.849 2 | 153.628 3 |
P(10)计算时间/s | 194.110 0 | 82.050 9 | 211.257 7 |
P(20)计算时间/s | 270.940 1 | 204.400 0 | 348.798 7 |
P(40)计算时间/s | 421.762 9 | 632.969 2 | 960.758 4 |
表1 不同算法计算复杂度和计算时间
Table 1 Computational complexity and time of different algorithms
计算结果 | SP | FTP | IAW |
---|---|---|---|
计算复杂度 | — | O(N2) | N2·O(mn2) |
P(0)计算时间/s | 145.254 7 | 40.849 2 | 153.628 3 |
P(10)计算时间/s | 194.110 0 | 82.050 9 | 211.257 7 |
P(20)计算时间/s | 270.940 1 | 204.400 0 | 348.798 7 |
P(40)计算时间/s | 421.762 9 | 632.969 2 | 960.758 4 |
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