An Ultra-Low Frequency Active Vertical Vibration Isolator With Geometric Anti-Spring Structure

Published on Nov 3, 2017
· DOI :10.1115/IMECE2017-71173
Jiamin Yao3
Estimated H-index: 3
(THU: Tsinghua University),
Kang Wu3
Estimated H-index: 3
(THU: Tsinghua University)
+ 3 AuthorsLipo Wang56
Estimated H-index: 56
(THU: Tsinghua University)
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2012
1 Author (LI Guang-min)
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#1Meiying Guo (THU: Tsinghua University)H-Index: 3
#2Kang Wu (THU: Tsinghua University)H-Index: 3
Last. Lijun Wang (THU: Tsinghua University)H-Index: 3
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A classical absolute gravimeter is widely used to measure the gravitational acceleration, normally known as g. It applies a Mach-Zehnder interferometer to track a free-falling retroreflector in a vacuum chamber. Theoretically, it needs a static reference retroreflector in an inertial frame. Practically, the reference retroreflector is always disturbed by the ground vibration. Vibration correction methods apply the seismometer output to calculate the motion of the reference retroreflector. Transf...
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