Absolute ballistic gravimeters
Absolute ballistic gravimeters
复制标题
绝对弹道重力仪
DOI:
10.1134/s207510871504015x
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发表时间:
2015
影响因子:
--
通讯作者:
L. Vitushkin
中科院分区:
文献类型:
--
作者:
L. Vitushkin
Operating principle of modern ballistic gravimeters is based on the measurement of motion parameters of a macroscopic test body or a cloud of cold atoms in the gravity field and calculation of free-fall acceleration using the measured motion parameters from the test body motion equation. There are about 200 transportable ballistic gravimeters in the world, the best of which feature uncertainty of a few units of 10−8 ms−2. Metrological assurance system for absolute gravimeters is being developed. Improvements in absolute gravimeters will allow their use on moving platforms.