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High-precision signal processing algorithm to evaluate SAW properties as a function of temperature

  • This paper presents a signal processing algorithm which accurately evaluates the SAW properties of a substrate as functions of temperature. The investigated acoustic properties are group velocity, phase velocity, propagation loss, and coupling coefficient. With several measurements carried out at different temperatures, we obtain the temperature dependency of the SAW properties. The analysisThis paper presents a signal processing algorithm which accurately evaluates the SAW properties of a substrate as functions of temperature. The investigated acoustic properties are group velocity, phase velocity, propagation loss, and coupling coefficient. With several measurements carried out at different temperatures, we obtain the temperature dependency of the SAW properties. The analysis algorithm starts by reading the transfer functions of short and long delay lines. The analysis algorithm determines the center frequency of the delay lines and obtains the delay time difference between the short and long delay lines. The extracted parameters are then used to calculate the acoustic properties of the SAW material. To validate the algorithm, its accuracy is studied by determining the error in the calculating delay time difference, center frequency, and group velocity.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/3581
Bibliografische Angaben
Title (English):High-precision signal processing algorithm to evaluate SAW properties as a function of temperature
Author:Ismail Shrena, David Eisele, Jochen Bardong, Elena MayerStaff Member, Leonhard Michael ReindlORCiD
Year of Publication:2013
Creating Corporation:IEEE
First Page:805
Last Page:813
Parent Title (English):IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume:60
Issue:4
ISSN:0885-3010
DOI:https://doi.org/10.1109/TUFFC.2013.2629
Language:English
Inhaltliche Informationen
Institutes:Fakultät Elektrotechnik und Informationstechnik (E+I) (bis 03/2019)
Institutes:Bibliografie
GND Keyword:Akustische Oberflächenwelle; Signaltechnik; Verfahrenstechnik
Formale Angaben
Open Access: Closed Access 
Licence (German):License LogoUrheberrechtlich geschützt