Analysis and classification of secondary sounds from the disintegration of kidney-stones with acoustic shock waves [Elektronisk resurs]
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Olsson, Lennart (författare)
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Almquist, Lars-Olov (författare)
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Grennberg, Anders (författare)
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Holmer, Nils-Gunnar (författare)
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Luleå tekniska universitet Institutionen för system- och rymdteknik (utgivare)
- 1991
- Engelska.
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Ingår i: Ultrasound in Medicine and Biology. - 0301-5629. ; 17:5, 491-495
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Sammanfattning
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- Secondary sound emission, partly in the audible frequency range, from shock wave disintegration of kidney stones has been recorded during the treatment of two patients. A skilled operator can determine by listening if the stone is hit by the shock-wave or not. Spectral analysis of these recordings show differences between sounds which can be used to evaluate the fragmenting effect on the stone. Results are presented of a preliminary discriminating method based on parameters in an autoregressive signal model.
Ämnesord
- Engineering and Technology (hsv)
- Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Signal Processing (hsv)
- Teknik och teknologier (hsv)
- Elektroteknik och elektronik (hsv)
- Signalbehandling (hsv)
- Signalbehandling (ltu)
- Signal Processing (ltu)
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