Compressive acoustic sound speed profile estimation | Zendy

Michael J. Bianco | Zendy; Peter Gerstoft | Zendy

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Compressive acoustic sound speed profile estimation

Author(s) -

Michael J. Bianco,

Peter Gerstoft

Publication year - 2016

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 - 10.1121/1.4943784

Subject(s) - underdetermined system , acoustics , inversion (geology) , compressed sensing , speed of sound , range (aeronautics) , geology , scale (ratio) , computer science , high resolution , underwater acoustics , physics , remote sensing , underwater , algorithm , materials science , seismology , oceanography , quantum mechanics , composite material , tectonics

Ocean acoustic sound speed profile (SSP) estimation requires the inversion of acoustic fields using limited observations. Compressive sensing (CS) asserts that certain underdetermined problems can be solved in high resolution, provided their solutions are sparse. Here, CS is used to estimate SSPs in a range-independent shallow ocean by inverting a non-linear acoustic propagation model. It is shown that SSPs can be estimated using CS to resolve fine-scale structure.

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