Remote localization method for underwater target based on explosive sound sources

HUANG Cong1 ZHU Weifeng1 LI Di2

(1.China Ship Development and Design Center, Wuhan, China 430064)
(2.Wuchang Shipbuilding Industry Group Co., Ltd., Wuhan, China 430064)

【Abstract】[Objectives] With the continuous improvement of submarines’ stealth property and combat capabilities, the underwater challenges faced by surface ships are increasingly becoming serious. To enhance the capabilities of overall scenario awareness, sustained surveillance, and early warning of submarines, this paper systematically studies the long-range target detection method using underwater explosive sound sources as the emission source. [Methods] According to the principle of bistatic sonar localization, the solution equation of underwater targets is given. According to the energy relationship, the mathematical model of the maximum detectable range of the system is deduced. The spatial distribution of the target localization error is analyzed by numerical simulation, and the target detection range and localization accuracy of explosive sound sources with different deploying distances are examined. [Results] The results show that the detection of underwater targets based on explosive sound sources cannot expand the detection range in the whole plane, but it can obtain greater detection advantages in a certain angle range near the baseline extension. On this basis, by reasonably allocating multiple explosive sound sources, we can increase the warning distance of the submarine. [Conclusions] Effective target information can be provided for aircraft-based on-called antisubmarine operations.

【Keywords】 antisubmarine operation; explosive sound source; underwater target localization; bistatic sonar;

【DOI】

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(Translated by HAN R)

    References

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This Article

ISSN:1673-3185

CN:42-1755/TJ

Vol 15, No. 06, Pages 176-181

December 2020

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Article Outline

Abstract

  • 0 Introduction
  • 1 Principle of target localization
  • 2 Analysis of detection range
  • 3 Target localization accuracy
  • 4 Conclusions
  • References