Document Detail

Range aliasing in frequency coherent geoacoustic inversion.
MedLine Citation:
PMID:  21974485     Owner:  NLM     Status:  In-Data-Review    
This paper discusses the effects of frequency selection on source localization and geoacoustic inversion methods that use frequency coherent objective functions. Matched-field processors based on frequency-coherent objective functions often have rapidly fluctuating range ambiguity surfaces. Insufficient sampling in frequency domain results in range aliasing terms that affect geoacoustic inversion. Range aliasing and its effects on source localization and environmental parameter inversion are demonstrated on data collected during the MAPEX2000 experiment. Guidance for frequency selection to avoid range aliasing is provided.
Caglar Yardim; Peter Gerstoft; William S Hodgkiss
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  130     ISSN:  1520-8524     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  EL154     Citation Subset:  IM    
Marine Physical Laboratory, Scripps Institution of Oceanography, La Jolla, California 92093-0238,,
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