CALIBRATION OF SCALE VALUE FOR LaCoste&Romberg AIRBORNE GRAVIMETER
Sun Zhongmiao 1) ;Li Yingchun 1) ;Zhang Songtang 2) ; and Wang Yingjian 2)
1)Xi’an Research Institute of Surveying and Mapping, Xi’an 7100542)61365 Troops, Tianjin 300211
Abstract LaCoste&Romberg airborne gravimeter is the key equipment of the Chinese airborne gravimetry system. On the basis of the characters of the airborne gravimetry, the calibration method of the meter factor for the airborne gravimeter is discussed and the formula for computing the meter factor was derived. Thus,a new meter factor is determined using actual calibration data. The validation of the new meter factor is verified using the real airborne data from the Datong test. The results indicate that the systemic biases of the airborne gravity disturbance compared to ground reference can be reduced about 1×10 -5 ms -2 by use of the new meter factor.
Key words :
airborne gravimetry
airborne gravimeter
meter factor
systemic error
calibration
Received: 01 January 1900
Corresponding Authors:
Sun Zhongmiao
Cite this article:
Sun Zhongmiao ,Li Yingchun ,Zhang Songtang et al. CALIBRATION OF SCALE VALUE FOR LaCoste&Romberg AIRBORNE GRAVIMETER[J]. , 2008, 28(2): 132-135.
Sun Zhongmiao ,Li Yingchun ,Zhang Songtang et al. CALIBRATION OF SCALE VALUE FOR LaCoste&Romberg AIRBORNE GRAVIMETER[J]. jgg, 2008, 28(2): 132-135.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2008/V28/I2/132
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