Constrained gravity inversion with adaptive inversion grid refinement in spherical coordinates and its application to mantle structure beneath Tibetan Plateau

Y Zhong, Z Ren, J Tang, Y Lin, B Chen… - Journal of …, 2022 - Wiley Online Library
We develop a novel gravity inversion algorithm in spherical coordinates based on adaptive
inversion mesh refinement and multiphysical parameter constraints. The inversion mesh is …

3‐D density structure of the lunar Mascon Basins revealed by a high‐efficient gravity inversion of the GRAIL data

G Zhao, J Liu, B Chen, MK Kaban… - Journal of Geophysical …, 2021 - Wiley Online Library
The lunar mascon basins are characterized by high gravity anomalies and thin crust. Study
of the density structure beneath the mascon basins can help to understand the origin of …

[HTML][HTML] Gravity predictions in data-missing areas using machine learning methods

Y Liu, Y Zhang, Q Pang, S Liu, S Li, X Shi, S Bian… - Remote Sensing, 2024 - mdpi.com
Gravity data, comprising a key foundational dataset, are crucial for various research,
including land subsidence monitoring, geological exploration, and navigational positioning …

Joint Inversion of Gravity Gradient Tensor Data Based on L1 and L2 Norms

B Chen, S Li, Y Sun, J Du, J Liu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Gravity gradient data are sensitive to local density anomalies in regional geological
structures. Compared with the inversion of one component of the gravity field, joint inversion …

New three-dimensional positioning algorithm through integrating TDOA and Newton's method

J Qu, H Shi, N Qiao, C Wu, C Su, A Razi - EURASIP Journal on Wireless …, 2020 - Springer
Passive time difference location is an important method for passive location. There are fuzzy
positioning, no solution, and low positioning accuracy with the spherical coordinate …

A density-weighted and cross-gradient constrained joint inversion method of gravity and vertical gravity gradient data in spherical coordinates and its application to …

N Wang, G Ma, L Li, T Wang, D Li - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The gravity gradient data have higher horizontal resolution and highlight the shallow
sources relative to gravity data; therefore, the comprehensive measurement of gravity and its …

Density structure of the Rümker region in the northern oceanus procellarum: Implications for lunar volcanism and landing site selection for the Chang'E‐5 mission

C Chisenga, J Yan, J Zhao… - Journal of …, 2020 - Wiley Online Library
The Rümker region, located in the northern Oceanus Procellarum, is the candidate landing
region for China's Chang'E‐5 lunar sample‐return mission. The area is geologically …

Fast magnetization vector inversion method with undulating observation surface in spherical coordinate for revealing lunar weak magnetic anomaly feature

G Ma, L Meng, L Li - Remote Sensing, 2024 - mdpi.com
The three-dimensional magnetic vector structure (magnetization intensity and direction) of
the planet can be effectively used to analyze the characteristics of its formation and …

Three-dimensional gravity inversion based on sparse recovery iteration using approximate zero norm

ZH Meng, XC Xu, DN Huang - Applied Geophysics, 2018 - Springer
This research proposes a novel three-dimensional gravity inversion based on sparse
recovery in compress sensing. Zero norm is selected as the objective function, which is then …

Evaluation of gravitational curvatures for a tesseroid and spherical shell with arbitrary-order polynomial density

XL Deng - Journal of Geodesy, 2023 - Springer
In recent years, there are research trends from constant to variable density and low-order to
high-order gravitational potential gradients in gravity field modeling. Under the research …