Now showing items 21-40 of 168

    • Lattice structures for synthesis and implementation of wavelet transforms 

      Yatsymirskyy, Mykhaylo (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      In this paper the novel lattice structure composed of homogeneous invertible two-point operations which are connected in regular and simple structure is proposed. Further on the pipeline scheme for implementation of such ...
    • The effect of contrasting selected graphical elements of a web page on information retrieval time 

      Stobińska, Magdalena; Pietruszka, Maria (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      As online presence plays an increasingly important role in corporate success, the high usability of a company’s website becomes one of its most valuable assets. The time required to reach the needed information, which plays ...
    • Dielectric relaxation modes in liquid crystalline mixture 

      Wojciechowski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Mixture of two liquid crystalline compounds (which do not exhibit antiferroelectric or ferrielectric phase separately) shows ferrielectric phase in a broad temperature range. The dielectric spectroscopy technique was used ...
    • Particle swarm optimization: the gradient correction 

      Borowska, Bożena; Nadolski, Stefan (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      In the following paper, the solution of the optimization problem that relied on the determination of the optimal geometry of two cylindrical coil arrangement evoking magnetic field of specific parameters was presented. The ...
    • Level set method in inverse problem solution 

      Stasiak-Bieniecka, Magdalena; Berowski, Przemysław (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      The optimal shape design of the capacitor with Laplace equation of state and inverse problem solution in Electrical Impedance Tomography using level set method are presented in the paper. The inverse problem solution ...
    • Electron drift mobility in amorphous anthrone layers 

      Kania, Sylwester (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      There were investigated the magnitude of the mobility and the type of the mechanism of the electron transport in the amorphous anthrone layers Enthrone (C14H10O) is the molecular crystal. The anthrone molecules due to ...
    • Effect of temperature on the refractive index and Kerr effect of the transformer oil Nynas Nytro Taurus 

      Górski, Piotr; Ledzion, Rafał; Sadowski, Marcin; Kucharczyk, Włodzimierz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      The temperature dependence of refractive index of the mineral transformer oil Nynas Nytro Taurus within the range 278-385K is determined. Changes with temperature in the quadratic electrooptic response of the oil are ...
    • Activation processes for two chosen aromatic hydrocarbon materials 

      Kania, Sylwester; Kuliński, Janusz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      The activation process and the transport process for electrons in the tetracene layers and holes in the p-quaterphenyl layers is considered. Obtained results may suggests the hopping transport through the localized states ...
    • Numerical studies of significance of anchoring strength energy for behaviour of flexoelectric homeotropic nematic layer subjected to DC electric field 

      Buczkowska, Mariola; Grzelczak, Katarzyna (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Elastic deformations of homeotropic nematic liquid crystal layers subjected to a d.c. electric field were studied numerically. The flexoelectric properties of the nematic material and the presence of ionic space charge ...
    • Numerical study of ionic current in a dielectric liquid layer subjected to square wave voltage 

      Derfel, Grzegorz; Opioła, Paweł (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Ionic current flowing in a thin layer of dielectric liquid under the action of square wave voltage was studied numerically. Quasi-blocking electrodes and equal mobilities of unions and cations were assumed. Field dependent ...
    • In memory of Dr. Andrzej Małolepszy. Technical Editor of JACS 

      Szczepaniak, Piotr; Byczkowska-Lipińska, Liliana; Kącki, Edward; Niewiadomski, Adam (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
    • Sliding mode approach to congestion control in connection-oriented communication networks 

      Bartoszewicz, Andrzej; Żuk, Justyna (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      In this paper, a novel sliding mode flow controller design for the connection-oriented communication networks is proposed. The networks are modeled as discrete time systems with the available bandwidth acting as disturbance. ...
    • Application of electrooptic modulators for divergent light beam 

      Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Analysis of electrooptic modulators of the light strength working with divergent light beam is performed numerically employing the Jones matrices method. The approach allows to consider small inaccuracies in cutting and ...
    • Spatch based active partitions with linguistically formulated energy 

      Tomczyk, Arkadiusz; Pryczek, Michał; Walczak, Stanisław; Jojczyk, Konrad; Szczepaniak, Piotr (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      The present paper shows the method of cognitive hierarchical active partitions that can be applied to creation of automatic image understanding systems. The approach, which stems from active contours techniques, allows one ...
    • Transport processes in thin films induced with absorption for two aromatic hydrocarbons 

      Kania, Sylwester; Kuliński, Janusz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Transport processes enhanced by absorption of the volatile ethanol on the tetracene and p-quaterphenyl films are considered. Obtained results may suggest injection of the charge during chemisorptions. There was observed a ...
    • Dielectric properties of ferrielectric phase induced in liquid crystal mixture 

      Wojciechowski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Mixtures of two liquid crystalline compounds (which do not exhibit antiferroelectric phases separately) show ferrielectric phase in a broad temperature range in 5:5 and 3:7 compositions. The dielectric spectroscopy technique ...
    • The Gentzen sequent calculus in e-testing. Pt. 2: Algorithms and implementation 

      Niewiadomski, Adam; Indrzejczak, Andrzej (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      This paper contains the description of algorithms and their implementations, the foundations and background of which are presented in Part I of this paper [1].
    • Electron drift mobility in amorphous anthrahinone layers 

      Kania, Sylwester (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      There were investigated the magnitude of the mobility and the type of the mechanism of the electron transport in the amorphous antrachinone layers. Antrachinone (C14H8O2) is the molecular crystal. The antrachinone molecules ...
    • On the nature temperature dependence of intrinsic quadratic electrooptic coefficients in KDP-type crystals 

      Kucharczyk, Włodzimierz; Ledzion, Rafał; Górski, Piotr; Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      It is shown that the fourth-order electrooptic effect may be responsible for the temperature dependence of the quadratic electrooptic coefficients defined in terms of polarization. An example is given for the ammonium ...
    • On distributed data processing in data grid architecture for a virtual repository 

      Kuliberda, Kamil; Wiślicki, Jacek; Kowalski, Tomasz Marek; Adamus, Radosław; Kaczmarek, Krzysztof; Subieta, Kazimierz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      The article describes the problem of integration of distributed, heterogeneous and fragmented collections of data with application of the virtual repository and the data grid concept. The technology involves: wrappers ...