Results 21 to 30 of about 41,704 (260)
Remote Sensing, 2023 Underwater gravity gradient detection techniques are conducive to ensuring the safety of submersible sailing. In order to improve the accuracy of underwater obstacle detection based on gravity gradient detection technology, this paper studies the gravity
Tengda Fu +5 more
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Calibration for GOCE Gradiometer Data Based on the Prior Gravity Models [PDF]
Journal of Geodesy and Geoinformation Science, 2019 The determination of the calibration parameters of the gravity gradiometer play an important role in the GOCE gravity gradient data processing. In this paper, the temporal signals and outliers in the GOCE gravity gradient observations are analyzed. Based
Qingliang QU,Xiaotao CHANG,Shengwen YU,Guangbin ZHU
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Remote Sensing, 2020 Currently, seafloor topography inversion based on satellite altimetry gravity data provides the principal means to predict the global seafloor topography. Researchers often use sea surface geoid height or gravity anomaly to predict sea depth in the space
Diao Fan +4 more
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Bathymetric Prediction from Multi-source Satellite Altimetry Gravity Data [PDF]
Journal of Geodesy and Geoinformation Science, 2019 According to the “theoretical admittance " and the "observation admittance" of the actual data, the theoretical value of effective elastic thickness in the study area was 10km.
Diao FAN,Shanshan LI,Shuyu MENG,Chi ZHANG,Jinkai FENG,Yan HUANG,Jiawei DU,Zhibin XING
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Sensors, 2023 It is acknowledged that a classical definition of the geoid-to-quasigeoid separation as a function of the simple planar Bouguer gravity anomaly is compatible with Helmert’s definition of orthometric heights.
Robert Tenzer, Albertini Nsiah Ababio
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Research and Construction of a Global Hexagonal Marine Gravity Gradient Reference Map for Navigation
Geofluids, 2023 A high-precision marine gravity gradient reference map is key to enabling underwater gravity gradient matching navigation. At present, the construction of the reference maps is based on quadrilateral geographic grids. However, quadrilateral grids lead to
Huang Yan +7 more
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地震科学进展, 2023 The integrated and array observation of the high-precision absolute gravity and gravity gradient can effectively improve the identification accuracy of gravity field sources at different depths.
Qiong Wu, Jiansheng Xu
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Remote Sensing, 2021 Airborne (or satellite) gravity measurement is a commonly used remote sensing method to obtain the underground density distribution. Airborne gravity gradiometry data have a higher horizontal resolution to shallower causative sources than airborne ...
Guoqing Ma +5 more
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An iterative Wiener filtering method based on the gravity gradient invariants
Geodesy and Geodynamics, 2015 How to deal with colored noises of GOCE (Gravity field and steady – state Ocean Circulation Explorer) satellite has been the key to data processing. This paper focused on colored noises of GOCE gradient data and the frequency spectrum analysis. According
Rui Zhou, Xiaoping Wu
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Ocean dynamic equations with the real gravity
Scientific Reports, 2021 Two different treatments in ocean dynamics are found between the gravity and pressure gradient force. Vertical component is 5–6 orders of magnitude larger than horizontal components for the pressure gradient force in large-scale motion, and for the ...
Peter C. Chu
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