On the effect of error correlation on matched-field geoacoustic inversion | Zendy

ChenFen Huang | Zendy; Peter Gerstoft | Zendy; William S. Hodgkiss | Zendy

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On the effect of error correlation on matched-field geoacoustic inversion

Author(s) -

ChenFen Huang,

Peter Gerstoft,

William S. Hodgkiss

Publication year - 2007

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.2424267

Subject(s) - inversion (geology) , covariance matrix , covariance , observational error , correlation , noise (video) , acoustics , statistics , geology , mathematics , computer science , physics , seismology , geometry , artificial intelligence , image (mathematics) , tectonics

The effect of correlated data errors on matched-field geoacoustic inversion for vertical array data is examined. The correlated errors stem from the inability to model the inhomogeneities in the environment resulting in an additional error term beyond ambient noise. Simulated data with these correlated errors are generated and then inverted with or without using the proper covariance matrix. Results show that the correlated error has a negative impact on geoacoustic parameter estimation if not accounted for properly.

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