Browsing Research Articles (Centre for Geo-Information Science (CGIS)) by UP Author "Combrinck, Ludwig"

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Global geopotential models from satellite laser ranging data with geophysical applications : a review

Botai, Mihloti Christina; Combrinck, Ludwig (Academy of Science of South Africa, 2012-03)

The launch of artificial satellites (as early as in 1957), specifically the launch of the first laser tracked satellite, Beacon-B, in 1964, has provided data sets which have allowed researchers to probe the long to medium ...
Inferences of α-stable distribution of the underlying noise components in geodetic data

Botai, Joel Ongego; Combrinck, Ludwig; Sivakumar, Venkataraman (Geological Society of South Africa, 2011-12)

We investigate the use of distribution functions to characterise the geophysical signals and noise components embedded in the geodetic Very Long Baseline Interferometry (VLBI) data sets across some of the International ...
On the global geodetic observing system : Africa's preparedness and challenges

Botai, Joel Ongego; Combrinck, Ludwig; Rautenbach, Cornelis Johannes de Wet (Elsevier, 2013-02)

.Space geodetic techniques and satellite missions play a crucial role in the determination and monitoring of geo-kinematics, Earth’s rotation and gravity fields. These three pillars of geodesy provide the basis for determining ...

Now showing items 1-3 of 3

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