Search results for: WAVE FILTERING

• Extreme waves and wave events in the Baltic Sea

  Publication

  • M. Paprota
  • J. Przewłócki
  • W. Sulisz
  • B. Swerpel

  - Year 2003

  W pracy przedstawiono wyniki pomiarów szeregów czasowych falowania uzyskanych z boi pomiarowych, umieszczonych w kilku miejscach linii brzegowej Morza Bałtyckiego. Rozważano wpływ czasu trwania sztormu i kierunku wiatru na powstawanie pojedynczych oraz grup fal ekstremalnych. Przeprowadzono statystyczną analizę takich fal, zwracając szczególną uwagę na rozkłady ich wysokości. Dla wybranych realizacji przeprowadzono analizę spektralną...

• WAVE MOTION

  Journals

  ISSN: 0165-2125 , eISSN: 1878-433X

• Waves Along Fractal Coastlines: From Fractal Arithmetic to Wave Equations

  Publication

  • M. Czachor

  - ACTA PHYSICA POLONICA B - Year 2019

  Beginning with addition and multiplication intrinsic to a Koch-type curve, we formulate and solve wave equation describing wave propagation along a fractal coastline. As opposed to examples known from the literature, we do not replace the fractal by the continuum in which it is embedded. This seems to be the first example of a truly intrinsic description of wave propagation along a fractal curve. The theory is relativistically...

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• Adoption and Fostering

  Journals

  ISSN: 0308-5759 , eISSN: 1740-469X

• SCIENCE OF SINTERING

  Journals

  ISSN: 0350-820X

• Nonlinear Excitation of the Non-Wave Perturbations by the Magnetoacoustic Waves in the Non-Isentropic Plasma

  Publication

  • A. Perelomova

  - Archives of Acoustics - Year 2018

  Nonlinear excitation of slow modes by the planar magnetosonic perturbations in a plasma is discussed. Plasma is an open system due to radiation and external heating. This may stipulate enhancement of wave perturbations and hence the acoustical activity of plasma. Plasma is assumed to be a homogeneous ideal gas with infinite electrical conductivity. The straight magnetic field is orthogonal to the velocity of fluid’s...

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• Wave Frequency Effects on Damage Imaging in Adhesive Joints Using Lamb Waves and RMS

  Publication

  • E. Wojtczak
  • M. Rucka

  - Materials - Year 2019

  Structural adhesive joints have numerous applications in many fields of industry. The gradual deterioration of adhesive material over time causes a possibility of unexpected failure and the need for non-destructive testing of existing joints. The Lamb wave propagation method is one of the most promising techniques for the damage identification of such connections. The aim of this study was experimental and numerical research on...

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• Physics of Wave Phenomena

  Journals

  ISSN: 1541-308X , eISSN: 1934-807X

• <title>Recurrent neural network application to image filtering: 2-D Kalman filtering approach</title>

  Publication

  • R. Swiniarski
  • A. Dzielinski
  • S. Skoneczny
  • M. Butler

  - Year 1991

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• On the concept of estimation memory in adaptive filtering.

  Publication

  • M. Niedźwiecki

  - Bulletin of the Polish Academy of Sciences-Technical Sciences - Year 2002

  Artykuł przedstawia i omawia pojęcie pamięci estymacji, pozwalające na obiektywne porównanie właściwości śledzących różnych algorytmów adaptacyjnych filtracji.