• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 26 Issue 3
Jun.  2013
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Article Contents
HUANG Qiang, FAN Dongming. Comparison of Short Arc Integral Approach and Average Acceleration Approach in Gravity Field Recovery[J]. Journal of Southwest Jiaotong University, 2013, 26(3): 455-459,480. doi: 10.3969/j.issn.0258-2724.2013.03.010
Citation: HUANG Qiang, FAN Dongming. Comparison of Short Arc Integral Approach and Average Acceleration Approach in Gravity Field Recovery[J]. Journal of Southwest Jiaotong University, 2013, 26(3): 455-459,480. doi: 10.3969/j.issn.0258-2724.2013.03.010

Comparison of Short Arc Integral Approach and Average Acceleration Approach in Gravity Field Recovery

doi: 10.3969/j.issn.0258-2724.2013.03.010
  • Received Date: 07 Jun 2012
  • Publish Date: 25 Jun 2013
  • In order to compare the short arc integral approach with the average acceleration approach, two Fortran programs were compiled respectively. Two 90 degrees and orders gravity field models, Model_Arc (for the short arc integral approach) and Model_Acc (for the average acceleration approach), were recovered based on the programs and GOCE (gravity field and steady-state ocean circulation explorer) orbits. The results show that the maximal geoid error is respectively 4 cm at 80 degrees to the Model_Acc and 10 cm at 90 degrees to the Model_arc, the precisions of the Model_Acc and Model_Arc are higher than those of the models based on CHAMP (challenging mini-satellite payload) and GRACE (gravity recovery and climate experiment) orbits. The superiority of the Model_Acc over model GO_CONS_GCF_2_TIM_R3 is accuracy before 80 degrees, while the superiority of the Model_Arc over the Model_Acc is consumed time.

     

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