APPLYING THE WAVELET TRANSFORM TO STUDY THE FEATURES OF FREAK WAVES
No. 32 (2010), Waves
No. 32 (2010)

APPLYING THE WAVELET TRANSFORM TO STUDY THE FEATURES OF FREAK WAVES

Waves
https://doi.org/10.9753/icce.v32.waves.69
Published 2011-01-19
  • Li-Chung Wu
  • Beng-Chun Lee
  • Chia Chuen Kao
  • Dong-Jiing Doong
  • Chih-Chiang Chang
Li-Chung Wu
Beng-Chun Lee
Chia Chuen Kao
Dong-Jiing Doong
Chih-Chiang Chang
Proceedings of the 32nd International Conference
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Keywords

freak waves
wavelet transform
wavelet scalogram

How to Cite

Wu, L.-C., Lee, B.-C., Kao, C. C., Doong, D.-J., & Chang, C.-C. (2011). APPLYING THE WAVELET TRANSFORM TO STUDY THE FEATURES OF FREAK WAVES. Coastal Engineering Proceedings, 1(32), waves.69. https://doi.org/10.9753/icce.v32.waves.69
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Abstract

The issues of freak waves are more and more popular since the late 1980s. This study tries to use the wavelet scalogram of freak wave records to investigate the energy characteristics during the occurrence of the freak waves. Through the analysis of the wave energy and phase, it is found that as freak waves occur, the component waves will lead to constructive superposition due to similar phases. The wavelet scalogram provides the other idea to explain the feature of freak waves.
https://doi.org/10.9753/icce.v32.waves.69
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References

Buessow, R. 2007. An algorithm for the continuous morlet wavelet transform. Mechanical Systems and Signal Processing, 21, 2970-2979. http://dx.doi.org/10.1016/j.ymssp.2007.06.001

Chalikov, D. 2009. Freak waves: Their occurrence and probability, Physics of Fluids, 21, 076602-1~ 076602-18.

Gramstad, O. and K. Trulsen. 2010. Can swell increase the number of freak waves in a wind-sea? Journal of Fluid Mechanics, 650, 57-79. http://dx.doi.org/10.1017/S0022112009993491

Jordan, D., R.W. Miksada, and E.J. Powers. 1997. Implementation of the continuous wavelet transform for digital time series analysis, Review of Scientific Instruments, 68, 1484-1494. http://dx.doi.org/10.1063/1.1147636

Lee, B.C., L.C. Wu, D.J. Doong, and C.C. Kao. 2007. Seasonal variations of wind and wave data over Taiwan waters, Marine Geophysical Researches, 28, 183-190. http://dx.doi.org/10.1007/s11001-007-9025-6

Onorato, M., A.R. Osborne, M. Serio, and S. Bertone. 2001. Freak waves in random oceanic sea states, Physical Review Letters, 86, 5831-5834. http://dx.doi.org/10.1103/PhysRevLett.86.5831PMid:11415369

Tucker, M.J. and E.G. Pitt. 2001. Waves in Ocean Engineering, Elsevier Science Ltd, Oxford, 521pp.

Wang, D.W., C.C. Teng, and R. Ladner. 1993. Buoy directional wave measurements using magnetic field components, In: The Second International Symposium on Ocean Wave Measurement and Analysis, 316-329.

Yeh, P.L. and P.L. Liu. 2008. Application of the wavelet transform and the enhanced Fourier spectrum in the impact echo test, NDT & E International, 41, 382-394. http://dx.doi.org/10.1016/j.ndteint.2008.01.002

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