期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 88, 期 11, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5010202
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资金
- United States Naval Observatory
A pendulum inclinometer has been built and tested, suitable for measuring the deflection of the gravitational vertical to an accuracy of 1 mu rad. The design is based on measuring the differential capacitance between a pendulum bob and two closely spaced parallel electrodes. Two independent pendulums are oriented orthogonally to measure both coordinates. A collimated optical beam is stably attached to the inclinometer pair and provides a means for making stellar measurements relative to the gravitational vertical. For optimum performance, the inclinometer is operated at its null position by supporting the entire assembly on a rigid tilting plate. Good repeatability is a key feature of this inclinometer. Published by AIP Publishing.
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