Gradually improving the readability of the time-frequency spectra for natural frequency identification in cantilever beams

European Signal Processing Conference

Volumn , Issue , 2012, Pages 809-813

  Onchis Moaca, Darian ^a   Gillich, Gilber Rainer ^a   Frunza, Radu ^b  

^a EFTIMIE MURGU UNIVERSITY OF RESITA   (Romania)

^b UNIVERSITY OF VIENNA   (Austria)

Author keywords

Lasso; natural frequency identification; non stationary Gabor transform; reassignment; short time Fourier transform; Wigner Ville

Indexed keywords

FREQUENCY IDENTIFICATION; GABOR TRANSFORM; LASSO; REASSIGNMENT; SHORT TIME FOURIER TRANSFORMS; WIGNER VILLE;

NATURAL FREQUENCIES; SIGNAL PROCESSING; SPECTROSCOPY;

CANTILEVER BEAMS;

EID: 84869824776     PISSN: 22195491     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. E. Chassande Mottin, I. Daubechies, F. Auger, and P. Flandrin. Differential reassignment. IEEE Signal Processing Letters, 4(10):293-294, oct 1997.
2. H. G. Feichtinger. Optimal Iterative Algorithms in Gabor Analysis. Proc. of IEEE-SP, International Symposium on Time-Frequency and Timescale Analysis. pages 44-47, October 1994.
3. G.-R. Gillich, Z.-I. Praisach, D. M. Onchis and N. Gillich. How to correlate vibration measurements with FEM results to locate damages in beams. Finite Differences, Finite Elements, Finite Volumes, Boundary Elements. Proceedings of the 4th WSEAS International Conference on Finite Differences-Finite Elements-Finite Volumes-Boundary Elements (F&B 2011). pages 76-81, April 2011.
4. G.-R. Gillich, Z.-I. Praisach, D. M. Onchis. About the Effectiveness of Damage Detection Methods Based on Vibration Measurements. Proceedings of the 3rd WSEAS International Conference on Engineering Mechanics, Structures, Engineering Geology, pages 204-209, July 2010.
5. K. Gröchenig, Foundations of Time-Frequency Analysis, Birkhäuser, Boston, (2001).
6. D.M. Onchis and G.R. Gillich. Wavelet-type denoising for mechanical structures diagnosis. Proceedings of the 3rd WSEAS International Conference on Engineering Mechanics, Structures, Engineering Geology,pages 200-203, July 2010.
7. M. Osborne, B. Presnell, and B. Turlach. On the LASSO and its dual. J. Comput. Graph. Statist., 9(2):319-337, 2000.
8. R. Tibshirani. Regression shrinkage and selection via the lasso. J. Roy. Statist. Soc. Ser. B, 58(1):267-288, 1996.
9. Collect. Math., 57(Extra Volume (2006)):233-253, 2006.
10. G. A. Velasco, N. Holighaus, M. Dörfler, and T. Grill. Constructing an invertible constant-Q transform with non-stationary Gabor frames. Proceedings of DAFX11, Paris, 2011.