ACCURACY IMPACT ANALYSIS OF KINEMATIC ORBIT DETERMINATION BASED ON EPOCH PHASE DIFFERENCE
Fan Chengcheng 1,2,3) ;Peng Bibo 1,2) ;Chen Runjing 1,2,3) ; and Zhang Ming 4)
1)Institute of Geodesy and Geophysics,CAS,Wuhan 430077;2)State key Laboratory of Geodesy and Earth’s Dynamic, Wuhan 430077;3)Graduate University of Chinese Academy of Sciences, Beijing 100049;4)GNSS Reseach Center, Wuhan University, Wuhan 430079
Abstract：The kinematic orbit determination of LEO satellite software named GNSS_LEO_KPP is developed, and the observation data of GRACE_A and GRACE_B satellites in 7 days from DOY220/2011 to DOY226 / 2011 are calculated. Compared with the JPL precise orbits, the accuracy of final kinematic orbit can reach 10—20 cm. The results show that: the priori orbit quality has a certain level of impact on the final kinematic orbit quality, so we could use the iterative loop kinematic orbit as a prior orbit, and the final kinematic orbit accuracy can be maintained in decimeter or subcentimeter level.
Fan Chengcheng,Peng Bibo,Chen Runjing et al. ACCURACY IMPACT ANALYSIS OF KINEMATIC ORBIT DETERMINATION BASED ON EPOCH PHASE DIFFERENCE[J]. jgg, 2012, 32(3): 80-85.
