Browsing Research Articles (Centre for Geo-Information Science (CGIS)) by UP Author "Botai, Joel Ongego"

Browsing Research Articles (Centre for Geo-Information Science (CGIS)) by UP Author "Botai, Joel Ongego"

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  • 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 ...