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Experimental determination of the single point echo of an ultrasonic transducer using a tomographic approach
Luleå tekniska universitet.
1992 (English)In: Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Paris, France, October 29-November 1, 1992, Piscataway, NJ: IEEE Communications Society, 1992, Vol. 5, 2151-2152 p.Conference paper (Refereed)
Abstract [en]

The impulse response method is often used to study the ultrasonic field radiated by planar or gently curved transducers. This, however, requires one transmitting and one receiving transducer which has to be placed with great accuracy in the ultrasonic field. Here we propose a measuring method with only one transducer which acts both as transmitter and receiver. Echoes from sliding halfplanes are registered and by using tomographic methods, the echo from a single point in the same plane as the halfplanes can then be calculated. Beside the ultrasonic field, these calculations will yield us the transducer's characteristics. These can be used to extract further information from an echo of an arbitrary surface, such as the gradient of the surface

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1992. Vol. 5, 2151-2152 p.
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-34869Local ID: 92e80170-e086-11dc-9e29-000ea68e967bOAI: diva2:1008121
IEEE International Conference on Engineering in Medicine and Biology Society : 17/12/1992
Godkänd; 1992; 20080221 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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