Acoustic Scattering Characteristics of a Diver Propulsion Vehicle

LI Jie; FAN Jun; LI Bing

doi:10.11993/j.issn.2096-3920.2022-0026

Volume 30 Issue 6

Dec 2022

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Article Navigation > Journal of Unmanned Undersea Systems > 2022 > 30(6): 733-739

LI Jie, FAN Jun, LI Bing. Acoustic Scattering Characteristics of a Diver Propulsion Vehicle[J]. Journal of Unmanned Undersea Systems, 2022, 30(6): 733-739. doi: 10.11993/j.issn.2096-3920.2022-0026

Citation:

LI Jie, FAN Jun, LI Bing. Acoustic Scattering Characteristics of a Diver Propulsion Vehicle[J]. Journal of Unmanned Undersea Systems, 2022, 30(6): 733-739. doi: 10.11993/j.issn.2096-3920.2022-0026

LI Jie, FAN Jun, LI Bing. Acoustic Scattering Characteristics of a Diver Propulsion Vehicle[J]. Journal of Unmanned Undersea Systems, 2022, 30(6): 733-739. doi: 10.11993/j.issn.2096-3920.2022-0026

Citation:

LI Jie, FAN Jun, LI Bing. Acoustic Scattering Characteristics of a Diver Propulsion Vehicle[J]. Journal of Unmanned Undersea Systems, 2022, 30(6): 733-739. doi: 10.11993/j.issn.2096-3920.2022-0026

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Acoustic Scattering Characteristics of a Diver Propulsion Vehicle

doi: 10.11993/j.issn.2096-3920.2022-0026

Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received Date: 2022-07-30
Rev Recd Date: 2022-09-12

Available Online: 2022-09-26

Abstract

Abstract

The acoustic stealth performance of a diver propulsion vehicle(DPV) is one of the key technologies of special operations that determines whether diver troops can penetrate secretly. In this study, a precise three-dimensional geometric DPV model was established. Based on the model as well as the near-field planar element method for predicting the acoustic scattering characteristics of sonar targets, the frequency domain indirect method and the echo tomography method, broadband omnidirectional time-domain echoes, frequency response curves, and acoustic tomographic DPV images were obtained by simulation. The influence of the incident plane wave frequency and azimuth on the acoustic scattering characteristics of the DPV was analyzed. Lake tests were carried out to explore the static acoustic scattering characteristics of the DPV. The experimental and simulation results were in good agreement, with abeam echo strength of approximately −10 dB and a frequency response curve error within 3 dB, verifying the accuracy of the theoretical modeling. This study provides a reference for further research on the acoustic stealth design and detection of DPVs.
- diver propulsion vehicle,
- acoustic scattering,
- echoing characteristic,
- echo strength

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References(21)

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