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A platform for research: civil engineering, architecture and urbanism
Filtering of Earth’s polar motion using trigonometric interpolation
Abstract The annual wandering of Earth’s pole takes place in an area about 200 $ m^{2} $. Within this area, the amplitudes of the displacements due to Earth tide and global meteorological processes do not exceed a few decimetres. Obviously, very precise measuring technique is necessary for the examination of the above phenomena. Nowadays, these are primarily the devices and the methods of cosmic geodesy. From them, on the basis of Ádám (1990) the VLBI (Very Long Baseline Interferometry), and the SLR (Satellite Laser Ranging) are able to show the variations of the pole with periods between one day and one year. The GPS (Global Positioning System) and the developed processing system of VLBI are suitable for the examination of processes within a day.
Filtering of Earth’s polar motion using trigonometric interpolation
Abstract The annual wandering of Earth’s pole takes place in an area about 200 $ m^{2} $. Within this area, the amplitudes of the displacements due to Earth tide and global meteorological processes do not exceed a few decimetres. Obviously, very precise measuring technique is necessary for the examination of the above phenomena. Nowadays, these are primarily the devices and the methods of cosmic geodesy. From them, on the basis of Ádám (1990) the VLBI (Very Long Baseline Interferometry), and the SLR (Satellite Laser Ranging) are able to show the variations of the pole with periods between one day and one year. The GPS (Global Positioning System) and the developed processing system of VLBI are suitable for the examination of processes within a day.
Filtering of Earth’s polar motion using trigonometric interpolation
Závoti, J. (author)
2001
Article (Journal)
English
Predictability of the Earth’s polar motion
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Slide-rule interpolation for six-place trigonometric functions
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