Abbreviate
发表于 2025-3-27 00:36:26
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IVORY
发表于 2025-3-27 02:19:41
Towards A Cross-Validated Spherical Spline Geoid for the South-Western Cape, South AfricaS is to be used for levelling, to obtain differences in orthometric height (or differences in normal height) where geoid heights are obtained from GPS measurements at points of known elevation. The gravity anomalies are used to help with the interpolation of the geoid between the GPS-derived geoid heights.
conjunctiva
发表于 2025-3-27 08:08:25
Geoidal Map Improvement in Brazilof mean gravity anomalies now available and the results of the comparison between the Doppler undulations and the recent GEM-T1 model. Finally, a geoidal map using 301 doppler undulations and the spheroidal heights derived from GEM-Tl is presented.
GIST
发表于 2025-3-27 10:43:16
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勤劳
发表于 2025-3-27 14:06:37
Recent Variations in Mean Sea Level in Southern Africaveyors, as it affects the stability of the vertical datum. Long term trends are also of concern to oceanographers and (taking into account the possible consequences of global warming) also exercise the minds of environmentalists and politicians.
HAIRY
发表于 2025-3-27 18:39:47
A High Resolution, High Precision Geoid for the British Islesof topographic height. The Global Positioning System (GPS) can measure the height of a ground-based receiver above the reference ellipsoid with a precision of a few centimetres. Consequently, a combination of GPS measurements with a precise gravimetric geoid can provide a cheap alternative to nationwide geodetic levelling.
牙齿
发表于 2025-3-28 01:07:36
A Relative Geoid for the UKthat would result in a geoid database covering the whole country. This database would be tried and tested as part of the project to ensure its suitability for practical use in Engineering and Topographic Surveying.
古老
发表于 2025-3-28 02:36:31
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Picks-Disease
发表于 2025-3-28 07:19:22
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neutrophils
发表于 2025-3-28 13:00:17
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