Joint Target Localization Method for Warships Facing Incoming Torpedoes

ZHANG Hong; XIAO Mingkai

doi:10.11993/j.issn.2096-3920.2023-0019

Volume 31 Issue 3

Jun 2023

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ZHANG Hong, XIAO Mingkai. Joint Target Localization Method for Warships Facing Incoming Torpedoes[J]. Journal of Unmanned Undersea Systems, 2023, 31(3): 451-456. doi: 10.11993/j.issn.2096-3920.2023-0019

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ZHANG Hong, XIAO Mingkai. Joint Target Localization Method for Warships Facing Incoming Torpedoes[J]. Journal of Unmanned Undersea Systems, 2023, 31(3): 451-456. doi: 10.11993/j.issn.2096-3920.2023-0019

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Joint Target Localization Method for Warships Facing Incoming Torpedoes

doi: 10.11993/j.issn.2096-3920.2023-0019

Unit 91439^th, The People’s Liberation Army of China, Dalian 116041, China

Received Date: 2023-03-01
Accepted Date: 2023-04-12
Rev Recd Date: 2023-03-23

Available Online: 2023-05-26

Abstract

Abstract

Existing shipborne sonar or tow array sonar might influence the effectiveness of torpedo countermeasures, compromising torpedo localization information during torpedo alarming. To address this problem, a joint target localization method is proposed for incoming torpedoes. First, a preprocessing method based on local weighted linear regression is investigated to resolve issues such as large error and outliers in the bearing estimation information of incoming torpedoes. This method can be used to lower the localization error by improving the torpedo bearing estimation accuracy. In combination with typical torpedo attacking trajectory analysis, a target state solution model is then established using a Kalman filtering algorithm. A space-time correlation algorithm is used for solving the problem caused by unsynchronized underwater acoustic signals and delayed information processing. Finally, a robust joint localization approach for shipborne sonar is established. This approach has reasonably wide applications, such as in torpedo defense capacity reinforcement of warship joint combat command systems and security assurance for warships.
- warship,
- joint localization,
- torpedo,
- local weighted linear regression,
- time-space correlation,
- Kalman fitler algorithm

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References(15)

References

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