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Separation of dispersive coinciding signals by combining hard and soft modeling
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-6216-6132
2008 (English)In: Proceedings of the International Congress on Ultrasonics: Vienna, April 9-13, 2007, Paper ID 1563, Session R17, 2008Conference paper, Published paper (Refereed)
Abstract [en]

In some ultrasonic measurement situations, an adequate signal separation is difficult to achieve. A typical situation is material characterization of thin media, relative to the emitted signal's time support. In this paper a new method is proposed that enables accurate signal separation of measured coinciding signals in the postprocessing stage. The method is based on a combination of hard physical and soft empirical models, which allows for a description of both known and unknown dynamics making the separation possible. The proposed technique is verified using real measurements on thin dispersive samples and validated with residual analysis.

Place, publisher, year, edition, pages
2008.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-40330DOI: 10.3728/ICUltrasonics.2007.Vienna.1563_martinssonLocal ID: f6ad7eb0-d191-11db-a0b9-000ea68e967bOAI: oai:DiVA.org:ltu-40330DiVA, id: diva2:1013852
Conference
International Congress on Ultrasonics : 09/04/2007 - 12/04/2007
Note
Godkänd; 2007; 20070206 (jesper)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2018-03-06Bibliographically approved

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Martinsson, JesperHägglund, FredrikCarlson, Johan
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CiteExportLink to record
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Citation style
  • apa
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