NASA NTRS · 19880010465
GRADIO three-axis electrostatic accelerometers
Abstract
Dedicated accelerometers for satellite gravity gradiometry (GRADIO project) are described. The design profits from experience acquired with the CACTUS accelerometer payload of the satellite CASTOR-D5B and studies of highly accurate accelerometers for inertial navigation. The principle of operation, based on a three-axis electrostatic suspension of a cubic proof mass, is well suited for the measurements of accelerations less than 0.0001 m/sec/sec. A resolution better than 10 to the minus 11th power m/sec/sec/sq root Hz is expected.
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Bernard, A.. 1987-10-01. GRADIO three-axis electrostatic accelerometers. https://ntrs.nasa.gov/citations/19880010465
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