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Träfflista för sökning "WFRF:(Rudenko A) srt2:(2000-2004)"

Search: WFRF:(Rudenko A) > (2000-2004)

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1.
  • Rudenko, Oleg, et al. (author)
  • Enhancements of energy and Q-factor of a nonlinear resonator with increase in its losses
  • 2002
  • In: Doklady Akademii Nauk. - : MAIK Nauka/Interperiodica Publishing, Russia. - 0869-5652. ; 383:1, s. 330-333
  • Journal article (peer-reviewed)abstract
    • A phenomenon that is paradoxical at first sight is studied: an appropriately-organized energy outflow from a resonator cavity results not in the attenuation of nonlinear vibrations but in their noticeable enhancement. An increase in the resonator Q-factor and in the energy accumulated in it is well pronounced when the frequencies of the higher harmonics generated in a nonlinear medium are close to the natural frequencies of the resonator. An important example of a nonlinear system with the necessary properties is an acoustic resonator with selective losses.
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2.
  • Rudenko, Oleg, et al. (author)
  • Nonlinear response of a layer to pulse action in diagnostics of small inhomogenities
  • 2000
  • In: Doclady, Section Mechanics (Reports of the Russian Academy of Sciences) / Doklady Akademii Nauk. - : MAIK Nauka/Interperiodica Publishing, Russia. - 0869-5652. ; 374 ; 1-3, s. 194-197
  • Journal article (peer-reviewed)abstract
    • Giant nonlinear respons are observed at acoustic irradiation of microscopic gas bubbles in liquids, cracks and fluid-filled pores in solids; and compressed contact of rough surfaces, and is used in diagnostics of materials of industrial and geological structures. Reconstruction of characteristics of a scattering inhomogeneity requires an analyses of complicated inverse problems. The problem of plane-wave incidence upon a layer is simple and serves a model for more complicated inhomogeneities; its response enables us to reconstruct the spectral composition and field structure of other nonlinear scatterers.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Hedberg, Claes (2)
Rudenko, Oleg (2)
Sobisevich, A.L. (2)
Sobisevich, L.E. (2)
University
Blekinge Institute of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Engineering and Technology (2)

Year

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