Results 81 to 90 of about 757,045 (352)
Different approaches in GLONASS orbit computation from broadcast ephemeris [PDF]
Several types of methods can solve equations of satellite motion numerically. These methods are divided into single and multi-step methods. The accuracy of each method depends directly on adopted integration step size between successive iterations.
Kamil Maciuk
doaj +1 more source
INVESTIGATION OF THE LITHOSPHERIC PLATE BOUNDARY ZONE WITHIN SAKHALIN ISLAND BASED ON SATELLITE GEODESY DATA [PDF]
Mariya Gridchina +99 more
openalex +1 more source
On the eve of the 100th anniversary of IAU Commission 19/A2 “Rotation of the Earth” [PDF]
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence
Brzeziński, Aleksander +9 more
core +1 more source
Hydrogravimetry Enables Quantification of Alpine Groundwater Dynamics
Abstract Groundwater plays a critical role in the functioning of alpine hydrological systems, and its importance is expected to increase under climate change. However, quantification of groundwater processes in these systems remains highly uncertain. Terrestrial time‐lapse gravimetry (TLG) is a geophysical and geodetic technique whose measured variable
Landon J. S. Halloran +4 more
wiley +1 more source
Comparison and Accuracy Estimation of Modern Models of the Earth’s Gravitational Potential [PDF]
The paper presents a brief overview of new models of the Earth’s gravitational potential constructed based on satellite-to-satellite tracking, satellite gradiometry, satellite altimetry, as well as ground gravimetric and satellite laser ranging. Inherent
I.O. Novlyanskaya
doaj
General Theory. Analytic solutions for the motion of a near‐earth satellite are of practical importance for orbit prediction and establishment of reference orbits I (intermediaries) for minimizing perturbations from which the geodetic information is extracted.
openaire +1 more source
Cold Atom Interferometry in Satellite Geodesy for Sustainable Environmental Management [PDF]
Khulan Batsukh
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While many geological and geophysical processes such as the melting of icecaps, the magnetic expression of bodies emplaced in the Earth's crust, or the surface displacement remaining after large earthquakes are spatially localized, many of these ...
Beggan, Ciaran D. +2 more
core +1 more source
ABSTRACT Examining the extent to which measurements of rotation matrices are close to each other is challenging due measurement noise. To overcome this, data is typically smoothed, and the Riemannian and Euclidean metrics are applied. However, if rotation matrices are not directly measured and are instead formed by eigenvectors of measured symmetric ...
P. D. Ledger +2 more
wiley +1 more source
FOSS4G date assessment on the isprs optical stereo satellite data. A benchmark for DSM generation [PDF]
The ISPRS Working Group 4 Commission I on "Geometric and Radiometric Modelling of Optical Spaceborne Sensors", provides a benchmark dataset with several stereo data sets from space borne stereo sensors.
Crespi, Mattia +2 more
core +1 more source

