Electrical noise and sensitivity of piezoceramic sensors

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F03%3APU39260" target="_blank" >RIV/00216305:26220/03:PU39260 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Electrical noise and sensitivity of piezoceramic sensors
Original language description
Improving of sensitivity of piezoceramic sensors demands minimizing of their noise. The paper deals with the study of polarization noise in piezoceramics. Here the thermal noise and polarization noise are the main sources of voltage and current fluctuation. Noise spectral density is proportional to sample equivalent parallel resistance and decreases with increasing frequency. We proved, in accordance with experimental results, that at low frequencies the polarization noise measured (measured noise afterr substraction of thermal noise) is 1/f type.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2003
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
NDT in Progress, 2nd International Workshop of NDT Experts - Proceedings
ISBN
80-214-2475-3
ISSN
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e-ISSN
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Number of pages
7
Pages from-to
249-255
Publisher name
Brno University of Technology
Place of publication
Brno
Event location
Prague
Event date
Oct 6, 2003
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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