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Calibration of simulation models for ultrasonic transducers based on implicit calibration
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-6216-6132
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0002-6289-4949
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology.
2009 (English)In: 2008 IEEE Ultrasonics Symposium: IUS ; Beijing, China, 2 - 5 November 2008, Piscataway, NJ: IEEE Communications Society, 2009, p. 1528-1531Conference paper, Published paper (Refereed)
Abstract [en]

There are numerous software packages available for modeling of the sound pressure fields emitted by ultrasound transducers and transducer arrays. Accurate modeling of a real-world transducer requires knowledge of several parameters that are generally not known. This paper presents an estimation principle that can be used to calibrate such models, based on measurements of the sound field. The model separates the problem into estimation of the transducer's electro-mechanical impulse response and its spatial impulse response. The latter being what the software packages generally model. We demonstrate the principle with measurements of the sound field from a non-focused 5 MHz transducer. The results show that the modeled sound field agrees well with measurements.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2009. p. 1528-1531
Series
I E E E International Ultrasonics Symposium. Proceedings, ISSN 1051-0117
Keywords [en]
Implicit calibration, transducer modeling, ultrasound measurements
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-30770DOI: 10.1109/ULTSYM.2008.0372ISI: 000268845800372Scopus ID: 2-s2.0-67649335609Local ID: 4b2f51e0-48d1-11dd-a9fb-000ea68e967bISBN: 978-1-4244-2428-3 (print)OAI: oai:DiVA.org:ltu-30770DiVA, id: diva2:1003999
Conference
IEEE International Ultrasonics Symposium : 02/11/2008 - 05/11/2008
Note

Validerad; 2009; 20080703 (johanc)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2023-10-14Bibliographically approved

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Carlson, Johan E.Martinsson, JesperHägglund, Fredrik

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