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Phenomenological and global optimization inversion

delete2003-07-01
delete13
PRE
AI
P
Peter Gerstoft
W
William S. Hodgkiss
W
W. A. Kuperman
S
Song, HC
DOI：10.1109/JOE.2003.816681delete
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Abstract

Abstract

En 中文
This paper discusses geoacoustic inversion results based on benchmark range-dependent data using SAGA, a global inversion package, and using phenomenological inversions. In phenomenological inversions, physical and signal-processing approaches are used to enhance the data to extract specific features. The global optimization approach is carried out on complex-valued vertical array data, transmission loss data, and reverberation data. The importance of checking the solution is emphasized by inspecting the match with the data and the error estimates and by checking the solution using data that has not been used in constructing the solution. The results show that we are able to estimate the geoacoustic parameters and that these parameters could be used to predict the field for different frequencies and/or source-receiver geometry than used in the inversion.
Keywords:
genetic algorithms (GAs)
geoacoustic inversion
SAGA

Journal

IEEE Journal of Oceanic Engineering cover
IEEE Journal of Oceanic Engineering
IF:
5.3
Papers:
2.6K
Citations:
7.4K

Organization

No organization information available