Trace gas sensors are used in different fields. Light-induced thermoelastic spectroscopy (LITES) has extremely high sensitivity and offers non-contact measurement, attracting extensive research ...
A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.200078 overviews advances in distributed fiber optic vibration/acoustic sensing technology. Distributed fiber optic ...
Many serious machine problems can be diagnosed early with normal vibration analysis techniques based on fast Fourier transforms. But some problems remain dangerously hidden in the vibration reading — ...
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