基于动力学守恒定律的弹道目标关联方法

doi:10.12305/j.issn.1001-506X.2024.02.32

Abstract

Abstract:

Various active or passive ballistic group targets caused by midcourse accompanying flying penetration will bring great challenges to the radar tracking system, causing it to track other entity targets or electronic false targets, which results in association errors. The midcourse entity ballistic target satisfies dynamic conservation law, which can be utilized to improve the data association method of the tracking system. Therefore, a probabilistic data association (PDA) method for ballistic targets based on dynamic conservation law is proposed. On the basis of screening out validated measurements by traditional association gate, the momentum moment and mechanical energy are jointly statistically tested to further eliminate the measurements of electronic false targets or other association errors, and then the momentum moment and mechanical energy are used to correct the weighted association probability. The effectiveness of the proposed method is verified by Monte Carlo simulation. The simulation results show that compared with the traditional PDA method, the proposed method can effectively suppress the influence of active range deception jamming and clutter and thus improve the tracking accuracy.

Key words: midcourse ballistic target, probability data association (PDA), conservation law, range deception jamming, multi-target tracking

CLC Number:

TN95

Shuya ZENG, Bin RAO. Ballistic target association method based on dynamic conservation law[J]. Systems Engineering and Electronics, 2024, 46(2): 684-691.

Figures/Tables 7

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Ballistic target association method based on dynamic conservation law

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