WEI Erhu, LI Zhiqiang, GONG Guangyu, ZHANG Shuai. Fitting and Prediction of Pole Motion Time Series Model[J]. Geomatics and Information Science of Wuhan University, 2013, 38(12): 1420-1424.
Citation: WEI Erhu, LI Zhiqiang, GONG Guangyu, ZHANG Shuai. Fitting and Prediction of Pole Motion Time Series Model[J]. Geomatics and Information Science of Wuhan University, 2013, 38(12): 1420-1424.

Fitting and Prediction of Pole Motion Time Series Model

Funds: 武汉大学测绘学院2012年本科专业综合改革教学研究资助项目(201220);国家自然科学基金资助项目(41374012);国家863计划资助项目(2008AA12Z308);卫星导航定位系列课程国家级教学团队资助项目(214275482)
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  • Received Date: October 23, 2013
  • Revised Date: December 04, 2013
  • Published Date: December 04, 2013
  • The cosine trend model and ARMA model for pole motion have been fitted andforecasted under the use of the data offered by IERS.Through the analysis of the experimen-tal results,we find the cosine trend model more suitable for analyzing the components of thepole motion.Meanwhile,ARMA model is more suitable for fitting pole motion time series,its fitting accuracy is higher than the cosine trend model and its prediction accuracy havereached an advanced level.
  • [1]
    Wei Erhu,Yan Wei,Jin Shuanggen,et al.Im-provement of Earth Orientation Parameter Estimateswith Chang’E-1⊿VLBI Observations[J].Journalof Geodynamics,2013,DOI:10.1016/j.jog.2013.04.001[2] Wei Erhu,Jin Shuanggen,Yang Hongzhou,et al.Simulation and Results on Real-Time Positioning ofChang’E-3Rover with the Same-Beam VLBI Obser-vations[J].Planetary and Space Science,2013,84:20-27[3] Wei Erhu,Jin Shuanggen,Zhang Qi,et al.Auton-omous Navigation of Mars Probeusing X-ray Pul-sars:Modeling and Results[J].Advances in SpaceResearch,2013,51(5):849-857[4] 李征航,魏二虎,王正涛,等.空间大地测量学[M].武汉:武汉大学出版社,2010[5] Cryer J D,Chan K S.Time Series Analysis withApplication in R.Second Edition[M].Berlin:Springer,2008[6] 严忠,岳朝龙,刘竹林.计量经济学[M].合肥:中国科学技术大学出版社,2005
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