英文摘要
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Because of many Global Navigation Satellite System(GNSS) organizations getting maturing with the development of science, multi-satellite RTK system become the future research topics of satellite positioning and newly trends of cadastral survey. This research applied multi-satellite RTK system and e-GNSS to implement the supplementary control point surveying on the cadastral resurvey, through different experimental areas of works, and investigated individual influences on the positioning accuracy. The results of those studies are summarized as follow:(1) In Daxi District of multi-satellite RTK combined test,the precision of X-Y planes contrast between single GPS and ALL satellites is increased from 33.33% to 50%. Besides the result of e-GNSS and TTG measurement, they can meet the specifications after correct the system errors, there are still 8% more than ± 0.03m level. (2) In Taoyuan District of multi-satellite RTK combined test,the precision of X-Y planes contrast between single GPS and ALL satellites is increased from 16.67% to 33.33%. Besides the result of e-GNSS and TTG measurement, they can meet the specifications after correct the system errors, there are still 24% more than ± 0.03m level. Therefore, assessing the applicability of cadastral survey, the accuracy of multi-satellite RTK combined system is better than e-GNSS system in current.
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