Results 21 to 30 of about 26,637 (257)

Optimisation of Lilla Edet Landslide GPS Monitoring Network

open access: yesJournal of Geodetic Science, 2015
Since the year 2000, some periodic investigations have been performed in the Lilla Edet region to monitor and possibly determine the landslide of the area with GPS measurements.
Alizadeh-Khameneh M. A.   +2 more
doaj   +1 more source

Fracture behaviour of alloys for a new laser ranged satellite [PDF]

open access: yes, 2018
A new laser-ranged satellite called LARES 2 (Laser Relativity Satellite 2) has been recently designed for accurate tests of Einsten's theory of General Relativity and space geodesy.
Brotzu, A.   +4 more
core   +1 more source

Earth rotation variations observed by VLBI and the Wettzell “G” ring laser during the CONT17 campaign [PDF]

open access: yesAdvances in Geosciences, 2019
The VLBI (Very Long Baseline Interferometry) technique can provide the full set of parameters needed for the transformation between celestial and terrestrial reference frames with high accuracy.
S. Böhm   +5 more
doaj   +1 more source

Advancements of Geodetic Activities in Nepal: A Review on Pre- and Post-2015 Gorkha Earthquake Eras with Future Directions

open access: yesRemote Sensing, 2022
From celestial objects to every feature on Earth, geodesy provides a reference frame and is the foundation for surveying, mapping, and other geoscience activities.
Shanker KC, Tri Dev Acharya
doaj   +1 more source

A new laser-ranged satellite for General Relativity and space geodesy: I. An introduction to the LARES2 space experiment [PDF]

open access: yes, 2017
We introduce the LARES 2 space experiment recently approved by the Italian Space Agency (ASI). The LARES 2 satellite is planned for launch in 2019 with the new VEGA C launch vehicle of ASI, ESA and ELV.
Ciufolini, Ignazio   +10 more
core   +1 more source

Geodetic and Geodynamic Studies at Department of Geodesy and Geodetic Astronomy Wut

open access: yesReports on Geodesy and Geoinformatics, 2016
The article presents current issues and research work conducted in the Department of Geodesy and Geodetic Astronomy at the Faculty of Geodesy and Cartography at Warsaw University of Technology. It contains the most important directions of research in the
Brzeziński Aleksander   +13 more
doaj   +1 more source

Refinement of the normal E¨otv¨os matrix and its influence on the estimation of the deflections of the vertical

open access: yesContributions to Geophysics and Geodesy, 2015
The elements of the Eötvös matrix, usually determined by torsion balance measurements, are useful in many geodetic applications. We present a method for the computation of the elements of the normal Eötvös matrix at a point on the Earth’s physical ...
Gerassimos MANOUSSAKIS   +1 more
doaj   +1 more source

Benefits of Multi-Constellation/Multi-Frequency GNSS in a Tightly Coupled GNSS/IMU/Odometry Integration Algorithm

open access: yesSensors, 2018
Localization algorithms based on global navigation satellite systems (GNSS) play an important role in automotive positioning. Due to the advent of autonomously driving cars, their importance is expected to grow even further in the next years ...
Björn Reuper   +2 more
doaj   +1 more source

GPS Satellite Surveying in Developing Countries - A Review

open access: yesJournal of King Saud University: Engineering Sciences, 1989
The use of the GPS system for survey and geodesy is a technological breakthrough that will revolutionize the standards, accuracy, speed and practice of every day surveying.
Ibrahim Al-Kadi
doaj   +1 more source

Some thoughts on the use of InSAR data to constrain models of surface deformation: Noise structure and data downsampling [PDF]

open access: yes, 2005
Repeat-pass Interferometric Synthetic Aperture Radar (InSAR) provides spatially dense maps of surface deformation with potentially tens of millions of data points. Here we estimate the actual covariance structure of noise in InSAR data.
Lohman, Rowena B., Simons, Mark
core   +2 more sources

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