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  Global uniqueness in a passive inverse problem of helioseismology

Agaltsov, A., Hohage, T., & Novikov, R. G. (2020). Global uniqueness in a passive inverse problem of helioseismology. Inverse Problems, 36(5): 055004. doi:10.1088/1361-6420/ab77d9.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-9F43-C Version Permalink: http://hdl.handle.net/21.11116/0000-0006-9F44-B
Genre: Journal Article

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 Creators:
Agaltsov, Alexey1, Author              
Hohage , T2, Author
Novikov, R G, Author
Affiliations:
1Max Planck Institute for Solar System Research, Max Planck Society, ou_1125546              
2Max Planck Institute for Solar System Research, Max Planck Society, Justus-von-Liebig-Weg 3, 37077 Göttingen, DE, ou_1125546              

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 Abstract: We consider the inverse problem of recovering the spherically symmetric sound speed, density and attenuation in the Sun from the observations of the acoustic field randomly excited by turbulent convection. We show that observations at two heights above the photosphere and at two frequencies above the acoustic cutoff frequency uniquely determine the solar parameters. We also present numerical simulations which confirm this theoretical result.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1088/1361-6420/ab77d9
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Title: Inverse Problems
Source Genre: Journal
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Publ. Info: Bristol : IOP Pub.
Pages: - Volume / Issue: 36 (5) Sequence Number: 055004 Start / End Page: - Identifier: ISSN: 0266-5611
CoNE: https://pure.mpg.de/cone/journals/resource/954925499121