Research on fast acoustic location algorithm and error analysis based on five-element four-sided cone array

Haopeng Wang; Kaifeng Han; Haiyang Sun; Maoxuan Sun; Xiaoan Tang

doi:10.1117/12.3023371

1 April 2024 Research on fast acoustic location algorithm and error analysis based on five-element four-sided cone array

Haopeng Wang, Kaifeng Han, Haiyang Sun, Maoxuan Sun, Xiaoan Tang

Author Affiliations +

Proceedings Volume 12987, Third International Conference on Computer Technology, Information Engineering, and Electron Materials (CTIEEM 2023); 1298707 (2024) https://doi.org/10.1117/12.3023371
Event: Third International Conference on Computer Technology, Information Engineering, and Electron Materials (CTIEEM 2023), 2023, Zhengzhou, China

Abstract

Passive source localization based on time difference of arrival (TDOA) is an important method for high-precision and fast localization of point sources in areas such as gunshot localization and remote missile landing point localization. Traditional multi-element array passive sound localization algorithms have nonlinear equation, and their analytical solutions are obtained through complex transformations, which may result in non-unique solutions and low localization accuracy, making them unsuitable for practical applications. In this paper, a five-element tetrahedral array localization model is proposed, which utilizes the redundant degrees of freedom contained in the five-element array and introduces an intermediate variable (redundant variable) to linearize the resulting equation system. The accuracy of the analytical solution obtained by this optimization algorithm and the directional and distance errors under this array model are analyzed.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Haopeng Wang, Kaifeng Han, Haiyang Sun, Maoxuan Sun, and Xiaoan Tang "Research on fast acoustic location algorithm and error analysis based on five-element four-sided cone array", Proc. SPIE 12987, Third International Conference on Computer Technology, Information Engineering, and Electron Materials (CTIEEM 2023), 1298707 (1 April 2024); https://doi.org/10.1117/12.3023371

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KEYWORDS

Acoustics

Error analysis

Sensors

Complex systems

Detection and tracking algorithms

Detector arrays

Source localization

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