Abstract:We analyze the spatial and temporal variation characteristics of the scale factor coefficients of 12 CG gravimeters. The results show that the scale factor coefficients calibrated in different time periods within the same reading range vary, and the scale factor coefficients calibrated in different reading ranges within the same time period also vary. The application example proves that the accuracy of scale factor coefficient calibration of the CG gravimeter using the data between gravity datum points in the survey area is better than that of it calibrated at the national baseline field.
DENG Youmao,WANG Zhenliang,SUN Chengye et al. Analysis of the Spatial and Temporal Variation Characteristics of Scale Factor Coefficient of CG Gravimeter[J]. jgg, 2023, 43(9): 970-973.