Data requirements for the determination of a sub-centimetre geoid

I Foroughi, M Goli, S Pagiatakis, S Ferguson… - Earth-Science …, 2023 - Elsevier
Recent applications in Earth sciences require geoid models to be determined with a sub-
centimetre internal error. Regional models of the geoid are usually determined using …

航空重力数据向下延拓的波数域迭代Tikhonov 正则化方法

孙文, 吴晓平, 王庆宾, 刘晓刚, 王凯 - 测绘学报, 2014 - xb.chinasmp.com
航空重力数据向下延拓是重力场数据联合处理的重要步骤. 研究了Tikhonov
正则化方法以及迭代Tikhonov 正则化方法在航空重力数据向下延拓中的应用, 指出Tikhonov …

基于改进径向导数的解析向下延拓优化算法

马健, 翟振和, 冯长强, 管斌, 王云鹏, 李端 - 测绘学报, 2023 - xb.chinasmp.com
解析延拓算法是一种重要的位场延拓方法. 与Poisson 延拓算法相比, 解析延拓算法具有算法
简单, 运算速度快等特点, 在基于第二或第三大地边值理论构建(似) 大地水准面或垂线偏差模型 …

Poisson downward continuation solution by the Jacobi method

R Kingdon, P Vaníček - Journal of Geodetic Science, 2011 - degruyter.com
Poisson Downward Continuation Solution by the Jacobi Method Downward continuation is a
continuing problem in geodesy and geophysics. Inversion of the discrete form of the Poisson …

On estimation of stopping criteria for iterative solutions of gravity downward continuation

M Goli, I Foroughi, P Novák - Canadian Journal of Earth …, 2018 - cdnsciencepub.com
This article discusses methods for selecting criteria used for stopping iterative regularization
methods applied to solving continuation of gravity observed at or outside the Earth's surface …

The effect of the noise, spatial distribution, and interpolation of ground gravity data on uncertainties of estimated geoidal heights

M Goli, I Foroughi, P Novák - Studia Geophysica et Geodaetica, 2019 - Springer
The uncertainties of the geoidal heights estimated from ground gravity data caused by their
spatial distribution and noise are investigated in this study. To test these effects, the geoidal …

航空重力测量数据向下延拓的改进Poisson 积分迭代法

刘晓刚, 孙中苗, 管斌, 范昊鹏 - 测绘学报, 2018 - xb.chinasmp.com
目前, 航空重力测量是快速获取陆地和近海区域高精度, 高分辨率重力场信息的非常有效的技术
手段, 向下延拓则是其数据处理中的关键环节, 直接影响到测量结果的进一步应用 …

Application of the one-step integration method for determination of the regional gravimetric geoid

M Goli, I Foroughi, P Novák - Journal of geodesy, 2019 - Springer
The regional gravimetric geoid solved using boundary-value problems of the potential
theory is usually determined in two computational steps:(1) downward continuing ground …

Planar, spherical and ellipsoidal approximations of Poisson's integral in near zone

M Goli, M Najafi-Alamdari - Journal of Geodetic Science, 2011 - degruyter.com
Planar, spherical and ellipsoidal approximations of Poisson's integral in near zone Planar,
spherical, and ellipsoidal approximations of Poisson's integral for downward continuation …

[PDF][PDF] Improving the Accuracy of Analytical Downward Continuation of Terrestrial Gravity Anomalies

M Goli - Journal of the Earth and Space Physics, 2024 - journals.ut.ac.ir
The determination of the geoid using the Stokes integral involves transforming gravity data
from their measurement altitude to the geoid/ellipsoid surface. This study focuses on …