Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"attenuation measurement"”.
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Investigation of physical and psychophysical methods for the attenuation measurement of circumaural hearing protectors with implication for field use
… measure is needed to estimate the attenuation workers are achieving with their hearing protectors in the field. Alternative measures for assessing a hearing protector's effectiveness were evaluated through comparison to the standardized real-ear attenuation at threshold (REAT) …
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Evaluation and Mitigation of Industrial Fire Hazards
… uncertainties involved when transforming light attenuation measurements into soot volume fraction. Simulations of tests according to the EN54 detector standard were also carried out. The agreement differed for different fuels. In addition, there is a problem with comparing light attenuation …
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Design and Fabrication of Optomechanical Formalin Fixation Monitoring Systems Integrated with a Millifluidic Device
… technique for SW visualization and velocity measurement, and the SW-LSI system consisting of a 532nm laser, a piezo-actuator and a camera was constructed for this study. The stiffness changes of phantoms and chicken breast tissues during formalin fixation are investigated for different sizes …
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Testování přenosových vlastností vícejádrových optických vláken
Tato bakalářská práce se zabývá problematikou vícejádrových optických vláken a měřením jejich přenosových vlastností. První část se krátce věnuje obecně optickým vláknům, dále podrobně rozebírá vícejádrové optické vlákna, jejich přenosové vlastnosti, techniku přenosu, metody spojování a metody …