Laser vibration analyzer
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.
Engineering topics
Publications and source records attributed to Foster, J. V..
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.
Laser for remote vibration measurement and detection without mechanical contact with structure under test
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Laser application for vibration measurement utilizing Doppler shift produced on wave reflected from surface vibrating normal to beam path
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Development of aircraft control system with high performance electrically controlled and mechanically operated hydraulic valves for precise flight operation
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Explore the source record for details and available documents.