15 March 2006 Development of 3D vibration measurement system using laser doppler vibrometers
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This paper presents the development of a high precision three-dimensional measurement system using laser doppler vibrometers. Two measurement systems were developed. Then, the following fundamental issues were studied and the results presented: measurement principle, accuracy with respect to long distance measurements and laser beam angles. As examples of possible applications of the system, measurements of ground motion, measurement of wave propagation in a plate and vibration measurement of a steel railway bridge were treated.
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T. Miyashita, T. Miyashita, Y. Fujino, Y. Fujino, } "Development of 3D vibration measurement system using laser doppler vibrometers", Proc. SPIE 6177, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems V, 61770I (15 March 2006); doi: 10.1117/12.662159; https://doi.org/10.1117/12.662159

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