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Description
  • The proposed improvement of impact echo signal analysis consists in dividing of the impact echo signal to more parts and in the spectral analysis of each one separately. In this case we can obtain more information about tested object. First of all, the frequency shifts of resonance frequencies are not averaged and it can be compared with resonance frequency for low excitation. Further advantage consists in the relatively comparison with the same tested body and not only with general standard value. By this way, this new method brings essential increasing of sensitivity to the body cracks in comparison with standard method.
  • The proposed improvement of impact echo signal analysis consists in dividing of the impact echo signal to more parts and in the spectral analysis of each one separately. In this case we can obtain more information about tested object. First of all, the frequency shifts of resonance frequencies are not averaged and it can be compared with resonance frequency for low excitation. Further advantage consists in the relatively comparison with the same tested body and not only with general standard value. By this way, this new method brings essential increasing of sensitivity to the body cracks in comparison with standard method. (en)
  • Uvedené zlepšení spektrální analýzy Impact Echo signálu spočívá v rozdělení tohoto signálu na více částí a spektrální analýze každé této části nezávisle. Touto cestou získáme více informací o testovaném tělese. Především kmitočtový posuv není průměrován a může být porovnáván s rezonančním kmitočtem při nízkém vybuzení. Další výhoda spočívá v přímém porovnávání signálů z téhož tělesa oproti porovnávání s obecným standardem. Touto cestou se získává vyšší citlivost na defekty v porovnání se standardními metodami. (cs)
Title
  • A Resonance Frequency Shift In Spectral Analysis Of The Impact Echo
  • Posuv rezonančního kmitočtu ve spektrální analýze Impact Echo signálu (cs)
  • A Resonance Frequency Shift In Spectral Analysis Of The Impact Echo (en)
skos:prefLabel
  • A Resonance Frequency Shift In Spectral Analysis Of The Impact Echo
  • Posuv rezonančního kmitočtu ve spektrální analýze Impact Echo signálu (cs)
  • A Resonance Frequency Shift In Spectral Analysis Of The Impact Echo (en)
skos:notation
  • RIV/60162694:G43__/08:#0001775!RIV09-MO0-G43_____
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 354454
http://linked.open...ai/riv/idVysledku
  • RIV/60162694:G43__/08:#0001775
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • impact echo, nonlinear ultrasound spectroscopy, frequency shift (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [D93C41B7B4D9]
http://linked.open...v/mistoKonaniAkce
  • Stockholm, Švédsko
http://linked.open...i/riv/mistoVydani
  • USA
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the International Symposium 18th ISNA 2008
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hájek, Karel
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
issn
  • 0094-243X
number of pages
http://purl.org/ne...btex#hasPublisher
  • American Institute of Physic
https://schema.org/isbn
  • 978-0-7354-0544-8
http://localhost/t...ganizacniJednotka
  • G43
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