Volume 38 Issue 4
Apr.  2013
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ZHONG Zhen, LI Fei, YAN Jianguo, SHAO Xianyuan. Comparison and Analysis on Main and Newly Lunar Gravity Field Models[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 390-393.
Citation: ZHONG Zhen, LI Fei, YAN Jianguo, SHAO Xianyuan. Comparison and Analysis on Main and Newly Lunar Gravity Field Models[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 390-393.
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Comparison and Analysis on Main and Newly Lunar Gravity Field Models

  • 1State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China)(2Chinese Antarctic Center of Surveying and Mapping, Wuhan University, 129 Luoyu Road, Wuhan 430079, China

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  • Received Date: March 10, 2013
  • Revised Date: April 04, 2013
  • Published Date: April 04, 2013
    Graphical Abstract
    • Abstract
  • The power spectrum and the free air gravity anomaly of different gravity field models CEGM02, SGM100h, SGM150, LP150Q, GLGM\|3, LPE200 were analyzed. The orbits of the lunar exploration spacecrafts with different altitudes and inclinations were simulated for all the gravity fields. Results firstly show that all the models behave the same way for polar orbit satellites, which reveal that all the models can be recommended in precision orbit determination for the polar orbit satellites. But CEGM02, SGM100h and SGM150 contribute more to those non-polar orbit spacecrafts. It is accordingly suggested that those non-polar orbit spacecrafts could be launched for future lunar exploration so as to perfect the lunar gravity field model. Moreover, the lunar gravity field model will be refined by using localized spherical harmonic functions which can efficiently extract local gravity field signals.
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    • References (14)
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