Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/36494
Type: Conference paper
Title: Striation processing of spectrogram data
Author: Brooks, L.
Kidner, M.
Zander, A.
Hansen, C.
Zhang, Z.
Citation: ICSV13: Proceedings of the 13th International Congress of Sound and Vibration, 2-6 July 2006: [CD-ROM], pp.1-8.
Publisher: The International Institute of Acoustics and Vibration
Issue Date: 2006
ISBN: 9781627481502
Conference Name: International Congress on Sound and Vibration (13th : 2006 : Vienna, Austria)
Statement of
Responsibility: 
Laura A. Brooks, M. R. F. Kidner, Anthony C. Zander, Colin H. Hansen, Z. Yong Zhang
Abstract: The determination of seabed properties and their incorporation in sound propagation models for estimating the effectiveness of sonar and underwater communications is generally required in shallow water regions in the vicinity of commonly used shipping and fishing routes. It has been suggested by others that the extraction of acoustic data from interference patterns observable in ambient noise spectrograms can be used as an effective means of determining seafloor properties in these situations. Within this paper, the problem of obtaining information from a frequency vs. range spectrogram and relating this to the governing modal model is discussed. An existing method for estimating modal group and phase velocities (and hence seabed properties) from spectrogram information, based upon a dual mode analysis, is critically reviewed and the need for a more complete description of the modal model is outlined.
Description (link): http://www.mecheng.adelaide.edu.au/anvc/abstract.php?abstract=380
http://icsv13.tuwien.ac.at/
Appears in Collections:Aurora harvest 6
Environment Institute publications
Mechanical Engineering conference papers

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