Resilient observation models for seafloor geodetic positioning
Y Yang, X Qin - Journal of Geodesy, 2021 - Springer
Acoustic positioning of the seafloor geodetic network is subject to the complex ocean
environment. The measurements are strongly affected by time-varying and location-varying …
environment. The measurements are strongly affected by time-varying and location-varying …
Seafloor geodetic network establishment and key technologies
Y Yang, Y Liu, D Sun, T Xu, S Xue, Y Han… - Science China Earth …, 2020 - Springer
Seafloor geodetic network construction involves the development of geodetic station shelter,
network configuration design, location selection and layout, surveying strategy, observation …
network configuration design, location selection and layout, surveying strategy, observation …
GARPOS: Analysis software for the GNSS‐A seafloor positioning with simultaneous estimation of sound speed structure
S Watanabe, T Ishikawa, Y Yokota… - Frontiers in Earth …, 2020 - frontiersin.org
Global Navigation Satellite System–Acoustic ranging combined seafloor geodetic technique
(GNSS-A) has extended the geodetic observation network into the ocean. The key issue for …
(GNSS-A) has extended the geodetic observation network into the ocean. The key issue for …
[HTML][HTML] 海底大地基准点圆走航模式定位模型及分析
曾安敏， 杨元喜， 明锋， 马越原 - 2021 - xb.chinasmp.com
圆走航模式是确定海底大地基准点位置的常用测量模式. 本文对圆走航模式的定位效能进行了
系统分析. 首先分析了顾及声速剖面变化规律的声学测距非差定位模型和削弱系统误差影响的历 …
系统分析. 首先分析了顾及声速剖面变化规律的声学测距非差定位模型和削弱系统误差影响的历 …
[PDF][PDF] 犌犖犛犛 犃直线测量模式及航迹组合优化分析
马越原， 杨元喜， 曾安敏 - 地球物理学报, 2022 - dsjyj.com.cn
摘要海底控制点的GNSS A 定位精度受到测量船相对于海底控制点的航迹影响,
本文针对圆形测量模式垂向几何结构较弱的问题, 给出了一种新的基于嵌套圆的直线测量模式的 …
本文针对圆形测量模式垂向几何结构较弱的问题, 给出了一种新的基于嵌套圆的直线测量模式的 …
A precise underwater positioning method by considering the location difference of transmitting and receiving sound waves
T Li, J Zhao, J Ma - Ocean Engineering, 2022 - Elsevier
To improve the underwater positioning precision of the traditional underwater positioning
method that only uses one-way sound propagation, the paper proposes a new underwater …
method that only uses one-way sound propagation, the paper proposes a new underwater …
Investigation on total adjustment of the transducer and seafloor transponder for GNSS/Acoustic precise underwater point positioning
Global navigation satellite system/acoustic (GNSS/A) underwater positioning technique has
drawn increasing attention in the fields of marine scientific research and engineering …
drawn increasing attention in the fields of marine scientific research and engineering …
顾及声速结构时域变化的海底基准站高精度定位方法
赵爽， 王振杰， 聂志喜， 贺凯飞， 刘慧敏， 孙振 - 测绘学报, 2023 - xb.chinasmp.com
目前广泛采用GNSS-A 联合技术进行海底基准站定位, 高精度位置反演通常基于声速剖面数据
采用等梯度声线跟踪方法实现. 但该方法使用的离散声速剖面忽略了声速结构的时域连续变化 …
采用等梯度声线跟踪方法实现. 但该方法使用的离散声速剖面忽略了声速结构的时域连续变化 …
Precise positioning method for seafloor geodetic stations based on the temporal variation of sound speed structure
At present, GNSS-Acoustic (GNSS-A) combined technology is widely used in positioning for
seafloor geodetic stations. Based on sound velocity profiles (SVPs) data, the equal gradient …
seafloor geodetic stations. Based on sound velocity profiles (SVPs) data, the equal gradient …
Ultra-fast calculation method of incident angle based on underwater acoustic round-trip positioning
Y Liu, JS Subirana, T Xu, J Wang, W Yang, S Zhang… - Ocean …, 2024 - Elsevier
In underwater acoustic round-trip positioning, the incident angle calculation in constant
gradient acoustic ray tracing significantly hinders the efficiency of positioning calculation. To …
gradient acoustic ray tracing significantly hinders the efficiency of positioning calculation. To …