NASA NTRS · 19710000248
Laser vibration analyzer
Abstract
Instrument system uses laser and optical heterodyne receiver to measure Doppler phase shifts produced on a laser beam by the deflection of the vibrating surface of a structure under test or in operation.
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Foster, J. V.. 1971-07-01. Laser vibration analyzer. https://ntrs.nasa.gov/citations/19710000248
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