Sensors & Test

Test & Measurement

Learn what's trending in test, measurement, and monitoring technologies. Explore the latest products, applications, and technical briefs covering advanced measuring instruments, monitoring systems, devices, and instrumentation.

Stories

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Briefs: Test & Measurement
A method of automated diagnosis of helicopter gearboxes involves processing of selected features of digitized outputs of vibration sensors via structure-based connectionist networks...
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Briefs: Information Technology
Work-Measurement and Methods-Analysis Studies of the OPF
Two reports describe early phases of continuing studies directed toward the selection and adaptation of industrial work-measurement and methods-analysis procedures for application to the Orbiter Processing Facility (OPF) at Kennedy Space Center. These studies were prompted by a need to...
Briefs: Sensors/Data Acquisition
Proximity Measurement of Pressure and Temperature
Inexpensive, high-performance, optically coupled temperature and strain gauges based on a combination of advanced optoelectronic and microelectromechanical concepts have been proposed. The sensors would contain vibrating beams with submillimeter dimensions, made primarily of silicon by...
Briefs: Photonics/Optics
Laser Doppler velocimetry (LDV) systems have been used for a number of years in field and laboratory applications. The normal LDV system consists of a two-color, four-beam...
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