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Proceedings Paper

Measurement of out-of-plane vibrations by processing digital speckle pattern interferometry fringes using wavelet transform
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Paper Abstract

In this paper we present a new filtering scheme for processing of DSPI fringes and implemented the same to measure the out-of-plane vibration in a rectangular plate fixed at one end and free at another end. Values of the amplitude measured by DSPI and accelerometer are in good agreement. Also mode shapes obtained from the experimental data and from the theory are almost similar.

Paper Details

Date Published: 9 September 2002
PDF: 8 pages
Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); doi: 10.1117/12.481964
Show Author Affiliations
Chandra Shakher, Indian Institute of Technology Delhi (India)
Rajesh Kumar, Indian Institute of Technology Delhi (India)

Published in SPIE Proceedings Vol. 4920:
Advanced Sensor Systems and Applications
Yun-Jiang Rao; Julian D. C. Jones; Hiroshi Naruse; Robert I. Chen, Editor(s)

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