Zobrazeno 1 - 10
of 12
pro vyhledávání: '"J.-P. Sferruzza"'
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 49:1453-1460
New clinical concepts in lithotripsy demand small shock heads. Reducing the size of piezoelectric shock heads will be possible only if the pressure generated at the surface of each transducer can be increased so that the total pressure at the focus r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::408cc33d08e897e04264f210e0ba4730
https://doi.org/10.1109/tuffc.2002.1041087
https://doi.org/10.1109/tuffc.2002.1041087
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 49:177-183
Existing methods for the modeling of piezoelectric transducer response are generally frequency domain-based. The major disadvantage of this type of model is that they cannot take into account the electrical elements present in the emitting or receivi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::129ba220841e51c98f7a6cce7c53a2ff
https://doi.org/10.1109/58.985702
https://doi.org/10.1109/58.985702
Publikováno v:
Sensors and Actuators A: Physical. 88:146-155
Recently, the instruments commonly used in urology have been organized in modules which are designed specially for use with a multi-purpose “urology table”. In order to fit into this design, the size of piezoelectric lithotripters will have to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d1e447a258c4bc693a674c75b43d25b
https://doi.org/10.1016/s0924-4247(00)00507-0
https://doi.org/10.1016/s0924-4247(00)00507-0
Publikováno v:
1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027).
We attempt to optimise the electrical excitation of a piezoelectric transducer in order to generate high power unipolar pressure pulses. In this method the electrical excitation voltage is a ramp with a duration equal to the time of flight T of ultra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b252bcf8fcf2c992e4feb1195b76eb6a
https://doi.org/10.1109/ultsym.1999.849196
https://doi.org/10.1109/ultsym.1999.849196
Publikováno v:
2001 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.01CH37263).
New clinical concepts in lithotripsy demand small shock heads. Reducing the size of piezoelectric shock heads will only be possible if the pressure generated at the surface of each transducer can be increased so that, the total pressure at the focus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a73b6480f154d2336c66f44ce76492c
https://doi.org/10.1109/ultsym.2001.991925
https://doi.org/10.1109/ultsym.2001.991925
Publikováno v:
2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121).
Existing models for piezoelectric transducers are generally frequency domain-based. A limitation of these models is that they do not consider the fact that some components of the exciting or receiving electrical circuit can be time-dependent. This ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42b758c613eab8e9f4a9c70bbc66c14d
https://doi.org/10.1109/ultsym.2000.921504
https://doi.org/10.1109/ultsym.2000.921504
Publikováno v:
Ultrasonics. 38(10)
New clinical concepts in lithotripsy demand small shock heads. Reducing the size of piezoelectric shock heads will only be possible if the pressure generated at the surface of each transducer can be increased so that the total pressure at the focus r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e037512d1adec978785c40ddd105e246
https://pubmed.ncbi.nlm.nih.gov/11106008
https://pubmed.ncbi.nlm.nih.gov/11106008
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