Аbsolute ballistic gravimeter, acceleration of gravity
https://doi.org/10.17285/0869-7035.2015.23.3.003-012
Abstract
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 field and calculation of free-fall 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.
About the Author
Л. Витушкин
ВНИИ метрологии им. Д.И.Менделеева, Университет ИТМО (С.-Петербург).
Russian Federation
Russian Federation
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Аbsolute ballistic gravimeter, acceleration of gravity. Giroskopiya i Navigatsiya. 2015;23(3):3-12. (In Russ.) https://doi.org/10.17285/0869-7035.2015.23.3.003-012
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