JIANGWeiping, YUAN Peng, TIAN Zhi, XIAO Yugang. Coordinate Datum Unification for Regional CORS Network Combination[J]. Geomatics and Information Science of Wuhan University, 2014, 39(5): 566-570. DOI: 10.13203/j.whugis20130383
Citation: JIANGWeiping, YUAN Peng, TIAN Zhi, XIAO Yugang. Coordinate Datum Unification for Regional CORS Network Combination[J]. Geomatics and Information Science of Wuhan University, 2014, 39(5): 566-570. DOI: 10.13203/j.whugis20130383

Coordinate Datum Unification for Regional CORS Network Combination

  • Objective In order to prevent the gaps in coordinate datum between different regional continuously op-erating reference systems(CORS),we analyze the causes and introduce a method for coordinate da-tum unification.Using experimental data from the Hubei and Hunan CORS,the results show that thesystematic deviation reaches 17.9±4.5mm between these two datums.The proposed method establi-shes a unified coordinate datum to eliminate the systematic deviation and builds connections betweeneach coordinate datum.The validity of our method was supported by empirical evidence.Finally,some suggestions about coordinate datum unification for a regional CORS network combination are putforward.
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