Deconvolution-based Target Echo High-resolution Time Delay Estimation Technique Using Active Sonar

Siyuan CANG; Xueli SHENG; Hang DONG; Longxiang GUO

doi:10.11999/JEIT200649

Volume 43 Issue 3

Mar. 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(3): 842-849

Siyuan CANG, Xueli SHENG, Hang DONG, Longxiang GUO. Deconvolution-based Target Echo High-resolution Time Delay Estimation Technique Using Active Sonar[J]. Journal of Electronics & Information Technology, 2021, 43(3): 842-849. doi: 10.11999/JEIT200649

Citation:

Siyuan CANG, Xueli SHENG, Hang DONG, Longxiang GUO. Deconvolution-based Target Echo High-resolution Time Delay Estimation Technique Using Active Sonar[J]. Journal of Electronics & Information Technology, 2021, 43(3): 842-849. doi: 10.11999/JEIT200649

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Deconvolution-based Target Echo High-resolution Time Delay Estimation Technique Using Active Sonar

doi: 10.11999/JEIT200649

1.
Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China
2.
Key Laboratory of Marine Information Acquisition and Security, Harbin Engineering University, Ministry of Industry and Information Technology, Harbin 150001, China
3.
College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China

Funds: The National Natural Science Foundation of China (51979061, 51779061), The National Key R&D Program of China (2018YFC1405902)

Received Date: 2020-08-03
Rev Recd Date: 2021-02-06

Available Online: 2021-02-19

Publish Date: 2021-03-22

Abstract

Abstract

In view of enhancing the time delay estimation resolution for the target echo in a complex shallow-water environment, thus improving the target detection ability of the active sonar system. A high-resolution time delay estimation technique is proposed to detect the underwater target based on sparse representation theory and deconvolution framework. Firstly, the Toeplitz operator is introduced here to construct a dictionary matrix using the various time delayed replicing of the transmitting signal. The estimated time-delay value can be found in the desired sparse vector solution. Secondly, the Alternating Direction Method of Multipliers (ADMM) is implemented to calculate the optimal solution globally. Thirdly, the reweighted iteration approach is explored to control the regularization parameter, thus suppressing the impact of the multipath channel. The arrival time of the echo can be decoupled to obtain a high-resolution time delay result. The simulated and experimental data verify that the proposed deconvolution-based time delay estimation technique can be used to detect the underwater target in shallow-water acoustic multipath channels. The resolution of the estimated time-delay result can achieve 0.056 ms.
- Active sonar,
- High resolution,
- Time delay estimation,
- Sparse representation,
- Alternating Direction Method of Multipliers (ADMM)

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References(20)

References

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