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  • 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.
  • 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. (en)
  • 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. (cs)
Title
  • Elektrický šum a citlivost piezokeramických snímačů (cs)
  • Electrical noise and sensitivity of piezoceramic sensors
  • Electrical noise and sensitivity of piezoceramic sensors (en)
skos:prefLabel
  • Elektrický šum a citlivost piezokeramických snímačů (cs)
  • Electrical noise and sensitivity of piezoceramic sensors
  • Electrical noise and sensitivity of piezoceramic sensors (en)
skos:notation
  • RIV/00216305:26220/03:PU39260!RIV06-GA0-26220___
http://linked.open.../vavai/riv/strany
  • 249-255
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/01/1058), P(GA205/03/0071), Z(MSM 262200022)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 605600
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/03:PU39260
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • piezoceramic sensors, electrical noise, polarization, sensitivity (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [C1C06D55218A]
http://linked.open...v/mistoKonaniAkce
  • Prague
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • NDT in Progress, 2nd International Workshop of NDT Experts - Proceedings
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hájek, Karel
  • Majzner, Jiří
  • Šikula, Josef
  • Štrunc, Marian
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Vysoké učení technické v Brně
https://schema.org/isbn
  • 80-214-2475-3
http://localhost/t...ganizacniJednotka
  • 26220
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