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Título: | Time domain analysis of ultrasonic signals for non-invasive temperature estimation |
Autor: | Salido, Ricardo; Bazán, Ivonne; Ramos, Antonio; Vera, Arturo; Leija, Lorenzo | Palabras clave: | Ultrasonic transducer systems Ultrasonic imaging and detection Non-invasive temperature estimation Time domain analysis |
Fecha de publicación: | dic-2007 | Editor: | Sociedad Española de Acústica | Citación: | XIX Congreso Internacional de Acústica (ICA2007) | Serie: | ICA2007 ULT-15-014 |
Resumen: | A 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. | Descripción: | Ponencia presentada en el XIX Congreso Internacional de Acústica (ICA2007), Madrid, 2-7 Sep 2007.-- PACS: 43.80.Ev. | URI: | http://hdl.handle.net/10261/5337 |
Aparece en las colecciones: | (IA) Comunicaciones congresos |
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ult-15-014.pdf | 198,57 kB | Adobe PDF | Visualizar/Abrir |
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