Impact of Ocean Sound Speed Horizontal Gradient on Global Navigation Satellite System–Acoustic Precise Seafloor Positioning

Impact of Ocean Sound Speed Horizontal Gradient on Global Navigation Satellite System–Acoustic Precise Seafloor Positioning

Global Navigation Satellite System–Acoustic ranging (GNSS-A) technology can achieve centimeter-level seafloor positioning. However, the horizontal gradient of ocean sound speed limits the seafloor positioning accuracy of GNSS-A. This paper evaluates the impact of ocean sound speed horizontal gradien...

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Bibliographic Details
Main Authors: Yang Liu, Tianjie Shi, Yanxiong Liu, Shengli Wang, Guanxu Chen, Menghao Li, Qiuhua Tang, Yikai Feng
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Journal of Marine Science and Engineering
Subjects:
GNSS-A
seafloor positioning
ocean sound speed
horizontal gradient
Online Access:https://www.mdpi.com/2077-1312/13/2/361
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