ANALYSIS OF ACCELEROMETER PERFORMANCE PARAMETERS FOR SATELLITE GRAVITY GRADIOMETRY
Zhu Zhu 1) ; and Zhou Zebing 1,2)
1)School of Physics, Huazhong University of Science and Technology, Wuhan 430074;2)Institute of Geophysics, Huazhong University of Science and Technology, Wuhan 430074
Abstract Spaceborne gravity gradiometer is a core sensor in satellite gradiometry, and accelerometer is the basic unit of gravity gradiometer, whose performance directly affects the level of gravity field recovery and space resolution. Combined the basic operation principle with the real L1b data of the satellite gradiometry mission GOCE, the effects of the resolution, scale factor and quadratic factor of accelerometers are specified in this paper. On the basis of analysis results,finally,we propose that the higher sensitive accelerometers and threeaxis dragfree control technologies should be developed and applied into the future satellite gradiometry mission.
Key words ：
electrostatic gravity gradiometer
accelerometer
resolution
scale factor
quadratic factor
Received: 01 January 1900
Corresponding Authors:
Zhu Zhu
Cite this article:
Zhu Zhu , and Zhou Zebing. ANALYSIS OF ACCELEROMETER PERFORMANCE PARAMETERS FOR SATELLITE GRAVITY GRADIOMETRY[J]. , 2012, 32(5): 148-153.
Zhu Zhu , and Zhou Zebing. ANALYSIS OF ACCELEROMETER PERFORMANCE PARAMETERS FOR SATELLITE GRAVITY GRADIOMETRY[J]. jgg, 2012, 32(5): 148-153.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2012/V32/I5/148
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