ANALYSIS OF INFLUENCE OF FREQUENCY ALIASING EFFECTS ON GRACE GRAVITY SOLUTION
Zhao Qian 1) ;Jiang Weiping 1) ;Xu Xinyu 2) ; and Guo Jing 1)
1)GNSS Reseach Center, Wuhan University, Wuhan 430079;2)School of Geodesy and Geomatics, Wuhan University, Wuhan 430079
Abstract The causes of aliasing in GRACE mission is investigated, the impact on the static as well as timevarying gravity field is analysed, and a method for analyzing aliasing problems relative to ocean tide and atmosphere is proposed. Through comparing different methods for reducing aliasing error, it is pointed that gravity field mearsuring mode with combination of satellite costellations is the most effective one at present. The results will be able to provide references for the development of next generation gravity satellite missions in China.
Key words ：
GRACE
aliasing effects
gravity field
satellite constellation
measuring mode
Received: 01 January 1900
Corresponding Authors:
Zhao Qian
Cite this article:
Zhao Qian ,Jiang Weiping ,Xu Xinyu et al. ANALYSIS OF INFLUENCE OF FREQUENCY ALIASING EFFECTS ON GRACE GRAVITY SOLUTION[J]. , 2011, 31(4): 123-126.
Zhao Qian ,Jiang Weiping ,Xu Xinyu et al. ANALYSIS OF INFLUENCE OF FREQUENCY ALIASING EFFECTS ON GRACE GRAVITY SOLUTION[J]. jgg, 2011, 31(4): 123-126.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I4/123
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