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Analysis of influence of frequency aliasing effects on GRACE gravity solution

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Authors:Zhao Qian; Jiang Weiping; Xu Xinyu; Guo Jing
Author Affiliations:Primary:
Wuhan University, School of Geodesy and Geomatics, Wuhan, China
Volume Title:Dadi Celiang yu Diqiu Dongli Xue Journal of Geodesy and Geodynamics
Source:Dadi Celiang yu Diqiu Dongli Xue = Journal of Geodesy and Geodynamics, 31(4), p.123-126. Publisher: Gai Kan Bianjibu, Wuhan, China. ISSN: 1671-5942
Publication Date:2011
Note:In Chinese with English summary. 20 refs.
Summary:The causes of aliasing in GRACE mission are investigated, the impact on static as well as time-varying gravity fields is analyzed, and a method for analyzing aliasing problems relative to the ocean tides and atmosphere is proposed. By comparing different methods for reducing aliasing error, the authors pointed that the gravity field measuring mode with a combination of satellite constellations is the most effective one at present. The results will be able to provide references for the development of the next generation gravity satellite missions in China.
Subjects:Aliasing; Effects; Geodesy; GRACE; Gravity field; Measurement; Numerical analysis; Satellite methods
Record ID:788496-28
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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