Research on Acquisition and Tracking Technology Based on Underwater Continuous Signal

SUN Dajun; MING Wanting; ZHANG Jucheng

doi:10.11999/JEIT211376

Volume 45 Issue 2

Feb. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(2): 567-575

SUN Dajun, MING Wanting, ZHANG Jucheng. Research on Acquisition and Tracking Technology Based on Underwater Continuous Signal[J]. Journal of Electronics & Information Technology, 2023, 45(2): 567-575. doi: 10.11999/JEIT211376

Citation:

SUN Dajun, MING Wanting, ZHANG Jucheng. Research on Acquisition and Tracking Technology Based on Underwater Continuous Signal[J]. Journal of Electronics & Information Technology, 2023, 45(2): 567-575. doi: 10.11999/JEIT211376

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Research on Acquisition and Tracking Technology Based on Underwater Continuous Signal

doi: 10.11999/JEIT211376 cstr: 32379.14.JEIT211376

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
4.
Harbin Engineering University Qingdao Ship Science and Technology Co., Ltd 266000, China

Funds: The National Natural Science Foundation of China (61901135)

Received Date: 2021-11-30
Rev Recd Date: 2022-03-28

Available Online: 2022-04-07

Publish Date: 2023-02-07

Abstract

Abstract

Considering the problem of real-time measurement of position and transmission of charge information in the recovery and guidance process of underwater high speed submersible, the acquisition and tracking technology based on the underwater continuous wave system is proposed. Continuous wave system is used to realize synchronous resolution of ranging and communication. The data acquisition time is compressed by parallel processing structure, and the optimal loop tracking strategy suitable for underwater acoustic environment and high dynamic background is designed based on the principle of phase-locked loop. From the theoretical simulation and Songhua Lake test results, the capture time of the algorithm is shortened from 83.87 s of the traditional matching algorithm to 0.66 s, and the calculation amount is reduced to 2.36 % of the time domain algorithm. Signal tracking technology has good performance under both high speed constant speed model and acceleration model. From the perspective of communication, the tracking algorithm can transmit data accurately. From the perspective of parameter estimation, the parameter accuracy based on tracking results changes slowly with the speed, but the traditional detection accuracy decreases with the increase of speed.This method achieves accurate Doppler estimation, and ensures the continuity and stability of ranging and communication. It is of great significance to the real-time recovery guidance of underwater high speed submersible.
- Underwater signal acquisition,
- Signal tracking,
- High speed,
- Parameter estimation

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References(20)

References

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