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Influence of Sea Level Anomaly on Underwater Gravity Gradient Measurements [PDF]
Sensors, 2022 Considering the theoretical research needs of gravity gradient detection and navigation, this study uses the right rectangular prism method to calculate the disturbing gravity gradient from sea level anomalies in the range of 5° × 5° in the Kuroshio ...
Pengfei Xian +3 more
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Satellite gravity gradient grids for geophysics. [PDF]
Sci Rep, 2016 The Gravity field and steady-state Ocean Circulation Explorer (GOCE) satellite aimed at determining the Earth’s mean gravity field. GOCE delivered gravity gradients containing directional information, which are complicated to use because of their error ...
Bouman J +7 more
europepmc +7 more sources
Influence of Differences in the Density of Seawater on the Measurement of the Underwater Gravity Gradient [PDF]
Sensors, 2023 In preparing gravity gradient reference maps for navigation purposes, researchers have tended to use a constant value for the density of seawater. However, the actual seawater density at a particular location may vary due to the effects of longitude ...
Pengfei Xian +4 more
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An Airborne Gravity Gradient Compensation Method Based on Convolutional and Long Short-Term Memory Neural Networks [PDF]
SensorsAs gravity exploration technology advances, gravity gradient measurement is becoming an increasingly important method for gravity detection. Airborne gravity gradient measurement is widely used in fields such as resource exploration, mineral detection ...
Shuai Zhou +3 more
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GOCE gravity models and gravity gradient assessment [PDF]
, 2012 The GOCE (Gravity field and steady-state Ocean Circulation Explorer) mission launched on 17 March 2009 provides for the first time Satellite Gravity Gradiometer (SGG) data.
Wang, Lin
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3D density imaging using gravity and gravity gradient in the wavenumber domain and its application in the Decorah [PDF]
Scientific ReportsDensity imaging is a method that uses the inversion of the gravity and gravity gradient spectra in the wavenumber domain to create accurate 3D reconstructions of subsurface density distributions.
Huiyou He +4 more
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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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Marine Geophysical Researches, 2018 Bathymetry is the measurement of the water depth similar to underwater topography. Gravity anomaly and vertical gravity gradient are important data used to inverse bathymetry.
Xiaoyun Wan +2 more
exaly +2 more sources
Self-Gradient Compensation of Full-Tensor Airborne Gravity Gradiometer
Sensors, 2019 In the process of airborne gravity gradiometry for the full-tensor airborne gravity gradiometer (FTAGG), the attitude of the carrier and the fuel mass will seriously affect the accuracy of gravity gradiometry.
Xuewu Qian, Yanhua Zhu
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Performance Evaluation and Requirements Assessment for Gravity Gradient Referenced Navigation [PDF]
Sensors, 2015 In this study, simulation tests for gravity gradient referenced navigation (GGRN) are conducted to verify the effects of various factors such as database (DB) and sensor errors, flight altitude, DB resolution, initial errors, and measurement update rates
Jisun Lee, Jay Hyoun Kwon, Myeongjong Yu
doaj +2 more sources