A CALIBRATION SYSTEM FOR SUPERCONDUCTING GRAVIMETERS

被引：24
|
作者：
ACHILLI, V
BALDI, P
CASULA, G
ERRANI, M
FOCARDI, S
GUERZONI, M
PALMONARI, F
RAGUNI, G
机构：
[1] UNIV BOLOGNA,DIPARTIMENTO FIS SETTORE GEOFIS,I-40126 BOLOGNA,ITALY
[2] UNIV BOLOGNA,IST TOPOG,BOLOGNA,ITALY
[3] IST NAZL GEOFIS,I-00161 ROME,ITALY
[4] IST NAZL GEOFIS,BOLOGNA,ITALY
来源：
BULLETIN GEODESIQUE | 1995年 / 69卷 / 02期
关键词：
D O I：
10.1007/BF00819553
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
A new method for the calibration of a superconducting gravity meter is described, in which a 273 Kg annular mass is placed around the meter and is moved up and down. The geometry of the apparatus is easy to model and the accuracy in the computation of the gravity variation induced by the mass, 6.7 mu gal, is limited only by the accuracy in the knowledge of value of the gravitational constant. Measurements done in '98 and '92 for the calibration of the instrument GWR-T015 are described. The calibration factor has been determined with a precision of about 0.3%.
引用
收藏
页码：73 / 80
页数：8
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