Inversion techniques for ocean acoustic tomography and bottom classification based on normal mode theory

• Autorzy: Taroudakis M.
• Języki publikacji: EN

Abstrakty

EN

The paper presents a short review of the modal representation and inversion techniques applied to problems of ocean acoustic tomography and geoacoustic inversion. The use of the modal inversion techniques is based on the assumption that the modal component of the acoustic field can be recognized in the recorded acoustic signals. The paper is referred to the main techniques that have been applied so far by the group of the Institute of Applied and Computational Mathematics at FORTH and address their benefits and drawbacks.

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2007
• Tom: Vol. 10
• Strony: 199--206
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Taroudakis M.

• University of Crete, Department of Mathematics and Foundation for Research and Technology-Hellas Institute of Applied and Computational Mathematics P.O.Box 1385,

Bibliografia

• [1] S. Rajan, J.F. Lynch, G.V. Frisk, Perturbative inversion methods for obtaining bottom geoacoustic parameters in shallow water, J.Acoust.Soc.Am. 82 (1987) pp. 998-1017.
• [2] E.C. Shang, Y.Y. Wang, On the possibility of monitoring El Niño by using modal ocean acoustic tomography, J.Acoust.Soc.Am. 91 (1992) pp. 136-140.
• [3] E.C. Shang, Ocean acoustic tomography based on adiabatic mode theory, J.Acoust.Soc.Am. 85 (1989) pp 1531-1537.
• [4] M.I. Taroudakis, J.S. Papadakis, Modal inversion schemes for ocean acoustic tomography, J. Comput. Acoust. 1 (1993) pp. 395-421.
• [5] T.C. Yang, Effectiveness of mode filtering: A comparison of matched-field and matched-mode processing, J.Acoust.Soc.Am. 87 (1990) pp. 2072-2084.
• [6] M.I. Taroudakis, A comparison of modal-phase and modal-travel time approaches for ocea acoustic tomography Proceedings of the 2nd European Conference on Underwater Acoustics, edited by Leif Bjørnø, Copenhagen 1994 pp 1057-1062.
• [7] M.I. Taroudakis, Identifying modal arrivals in shallow water for bottom geoacoustic inversions, J. Comput.Acoust. 8 (2000) pp 307-324.
• [8] M.I. Taroudakis, M. Markaki, Tomographic inversions in shallow water using modal travel time measurements ACTA ACUSTICA united with ACUSTICA 87 (2001) pp. 647-658.
• [9] M.I. Taroudakis, M.G. Markaki, On the use of matched-field processing and hybrid algorithms for vertical slice tomography, J.Acoust.Soc.Am. 102 (1997) pp. 885-895.
• [10] M.I. Taroudakis, G. Tzagkarakis, On the use of the reassigned wavelet transform for mode identification. J.Comput.Acoust. 12 (2004) pp. 175-196.
• [11] F. Auger, P. Flandrin, Improving the readability of time-frequency and time-scale representations by the reassigned method IEEE Trans on Signal Processing 43 (1995) pp. 1068-1089.
• [12] G.R.Potty, J.H.Miller, Geoacoustic tomography : Range-dependent inversions on a single slice. J.Comput.Acoust 8 (2000) pp. 325-346.
• [13] G.R Potty, J.H. Miller, J.F. Lynch, K.B. Smith, Tomographic inversion for sediment parameters in shallow water, J.Acoust.Soc.Am 108 (2000) pp. 973-986.