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Title

Time domain analysis of ultrasonic signals for non-invasive temperature estimation

AuthorsSalido, Ricardo; Bazán, Ivonne; Ramos, Antonio; Vera, Arturo; Leija, Lorenzo
KeywordsUltrasonic transducer systems
Ultrasonic imaging and detection
Non-invasive temperature estimation
Time domain analysis
Issue DateDec-2007
PublisherSociedad Española de Acústica
CitationXIX Congreso Internacional de Acústica (ICA2007)
SeriesICA2007
ULT-15-014
AbstractA time delay technique that relates the temperature changes with the time shifts (delays) presented in echoes coming from a simulated and experimental body immersed in a thermal bath is developed and analyzed. Both simulated and experimental signals were obtained from a numeric and experimental phantom respectively. Results of the time domain analysis for two transducer frequencies in a temperature interval ranging from 25°C to 42°C are presented. Performance in the technique is evaluated by calculating the correlation coefficient between the lineal regression and the real values obtained for the temperature estimation. A comparison between simulated and experimental data for two transducer frequencies is presented.
DescriptionPonencia presentada en el XIX Congreso Internacional de Acústica (ICA2007), Madrid, 2-7 Sep 2007.-- PACS: 43.80.Ev.
URIhttp://hdl.handle.net/10261/5337
Appears in Collections:(IA) Comunicaciones congresos
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