Now showing items 50-69 of 94

  • New Resistorless and Electronically Tunable Realization of Dual-Output VM All-Pass Filter Using VDIBA 

    Herencsár, Norbert; Minaei, Shahram; Koton, Jaroslav; Yuce, Erkan; Vrba, Kamil (Springer, 2013-01-07)
    In this paper, a new active element called voltage differencing inverting buffered amplifier (VDIBA) is presented. Using single VDIBA and a capacitor, a new resistorless voltage-mode (VM) first-order all-pass filter (APF) ...
  • New resistorless tunable voltage-mode universal filter using single VDIBA 

    Herencsár, Norbert; Cicekoglu, Oguzhan; Šotner, Roman; Koton, Jaroslav; Vrba, Kamil (Springer, 2013-08-01)
    To increase the universality of the recently introduced voltage differencing inverting buffered amplifier (VDIBA), this letter presents a new voltage-mode (VM) multi-input–single-output (MISO) universal filter. The proposed ...
  • New voltage-mode universal filter and sinusoidal oscillator using only single DBTA 

    Herencsár, Norbert; Koton, Jaroslav; Vrba, Kamil; Lattenberg, Ivo (Taylor & Francis, 2010-04-01)
    In this article, a new voltage-mode second-order universal frequency filter and sinusoidal oscillator using only single differential-input buffered and transconductance amplifier (DBTA) is presented. The proposed voltage-mode ...
  • Novel Algorithm in Activation Process of GPON Network 

    Horváth, Tomáš; Münster, Petr; Jurčík, Michal; Filka, Miloslav (Croatian Communications and Information Society, 2016-02-17)
    Passive optical networks are dominating access networks around the world due to its their economical aspect, bandwidth, and penetration. It is necessary to deal with specification of these networks.
  • A Novel Current-Mode SIMO Type Universal Filter Using CFTAs 

    Herencsár, Norbert; Koton, Jaroslav; Vrba, Kamil; Mišurec, Jiří (Hikari Ltd., 2009-02-01)
    In this paper a new active element for the realization of current-mode analog blocks Current Follower Transconductance Amplifier (CFTA) is presented. The element is a combination of the Current Follower (CF) and the Balanced ...
  • Novel first-order all-pass filter applications of z-copy voltage differencing current conveyor 

    Šotner, Roman; Herencsár, Norbert; Jeřábek, Jan; Vrba, Kamil; Dostál, Tomáš; Jaikla, Winai; Metin, Bilgin (NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR), 2015-08-05)
    The application of z-copy voltage differencing current conveyor (ZC-VDCC) in simple and interesting first-order all-pass sections has been studied in the present paper. The solutions presented here have presumptions for ...
  • A Novel Pseudo-Differential Integer/Fractional-Order Voltage-Mode All-Pass Filter 

    Herencsár, Norbert; Šotner, Roman; Kartci, Aslihan; Vrba, Kamil (IEEE, 2018-05-08)
    The paper presents the first- (integer) and fractional-order case studies of a novel pseudo-differential (P-D) voltage-mode all-pass filter (APF) employing a single differential voltage current conveyor (DVCC), one resistor, ...
  • A Novel Unique Parameter for Increasing of Security in GPON Networks 

    Horváth, Tomáš; Münster, Petr; Filka, Miloslav (Croatian Communications and Information Society, 2016-07-01)
    Passive optical networks are widely used because of their sufficient bandwidth and low price of individual elements. Based on the European Commission, The Czech Republic ISPs have to ensure 30 Mbit/s (in existing networks) ...
  • Optimized High Resolution 3D Dense-U-Net Network for Brain and Spine Segmentation 

    Kolařík, Martin; Burget, Radim; Uher, Václav; Říha, Kamil; Dutta, Malay Kishore (MDPI, 2019-02-15)
    The 3D image segmentation is the process of partitioning a digital 3D volumes into multiple segments. This paper presents a fully automatic method for high resolution 3D volumetric segmentation of medical image data using ...
  • Orthogonality is superiority in piecewise-polynomial signal segmentation and denoising 

    Novosadová, Michaela; Rajmic, Pavel; Šorel, Michal (Springer Open, 2019-01-25)
    Segmentation and denoising of signals often rely on the polynomial model which assumes that every segment is a polynomial of a certain degree and that the segments are modeled independently of each other. Segment borders ...
  • Parkinson Disease Detection from Speech Articulation Neuromechanics 

    Gomez-Vilda, Pedro; Mekyska, Jiří; Manuel Ferrandez, Jose; Palacios-Alonso, Daniel; Gómez-Rodellar, Andrés; Rodellar Biarge, María Victoria; Galáž, Zoltán; Smékal, Zdeněk; Eliášová, Ilona; Košťálová, Milena; Rektorová, Irena (Frontiers, 2017-08-25)
    Aim: The research described is intended to give a description of articulation dynamics as a correlate of the kinematic behavior of the jaw-tongue biomechanical system, encoded as a probability distribution of an absolute ...
  • Positioning Information Privacy in Intelligent Transportation Systems: an Overview and Future Perspective 

    Ometov, Aleksandr; Bezzateev, Sergey; Davydov, Vadim; Shchesniak, Anna; Mašek, Pavel; Lohan, Elena Simona; Koucheryavy, Yevgeni (MDPI, 2019-03-26)
    Today, one of the most promising markets in the world is related to vehicular niche. At the same time, one of the challenges for enabling autonomous cars in the Intelligent Transportation Systems (ITS) is the positioning ...
  • Practical Design of Fractional-Order Oscillator Employing Simple Resonator and Negative Resistor 

    Šotner, Roman; Jeřábek, Jan; Domanský, Ondřej; Herencsár, Norbert; Kartci, Aslihan; Dvořák, Jan (IEEE, 2018-11-08)
    This contribution presents straightforward design of a fractional-order oscillator employing novel simple impedance inverter (implementing differential voltage current conveyor transconductance amplifier as active element) ...
  • A Practical Perspective on 5G-Ready Highly Dynamic Spectrum Management with LSA 

    Mašek, Pavel; Mokrov, Evgeny; Zeman, Kryštof; Ponomarenko-Timofeev, Aleksei; Pyattaev, Alexander; Nesterov, Sergey; Andreev, Sergey; Hošek, Jiří; Samouylov, Konstantin; Koucheryavy, Yevgeni (Hindawi, 2018-07-24)
    A diversity of wireless technologies will collaborate to support the fifth-generation (5G) communication networks with their demanding applications and services. Despite decisive progress in many enabling solutions, ...
  • Pseudo-differential filter operating in current mode 

    Sládok, Ondřej; Velič, Ladislav; Koton, Jaroslav; Herencsár, Norbert (IEEE, 2018-12-30)
    In the paper, the theory of pseudo-differential filters is examined and supported by designing a fourth-order frequency filter operating in current mode and implemented as cascade connection of two basic second-order blocks. ...
  • Real-Time Guitar Preamp Simulation Using Modified Blockwise Method and Approximations 

    Mačák, Jaromír; Schimmel, Jiří (Springer Nature, 2011-04-07)
    The designing of algorithms for real-time digital simulation of analog effects and amplifiers brings two contradictory requirements: accuracy versus computational efficiency. In this paper, the simulation of a typical ...
  • Realisations of single-resistance-controlled quadrature oscillators using a generalised current follower transconductance amplifier and a unity-gain voltage-follower 

    Herencsár, Norbert; Vrba, Kamil; Koton, Jaroslav; Lahiri, Abhirup (Taylor & Francis, 2010-08-01)
    This article presents realisations of single-resistance-controlled-oscillators (SRCOs) using the recently proposed modern active building block (ABB), namely the generalised current follower transconductance amplifier ...
  • Realization of first-order current-mode filters with low number of MOS transistors 

    Yuce, Erkan; Minaei, Shahram; Herencsár, Norbert; Koton, Jaroslav (World Scientific Publishing Company, 2013-01-14)
    In this paper, a new current-mode (CM) circuit for realizing all of the first-order filter responses is suggested. The proposed configuration contains low number of components, only two NMOS transistors both operating in ...
  • Reconfigurable Fractional-Order Filter with Electronically Controllable Slope of Attenuation, Pole Frequency and Type of Approximation 

    Jeřábek, Jan; Šotner, Roman; Dvořák, Jan; Polák, Josef; Kubánek, David; Herencsár, Norbert; Koton, Jaroslav (World Scientific Publishing, 2017-03-09)
    This paper presents design of electronically reconfigurable fractional-order filter that is able to be configured to operate as fractional-order low-pass filter (FLPF) or fractional-order high-pass filter (FHPF). Its slope ...
  • Resistor-less Single-purpose or Reconfigurable Biquads Utilizing Single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor 

    Jeřábek, Jan; Šotner, Roman; Polák, Josef; Langhammer, Lukáš; Herencsár, Norbert; Prokop, Roman; Vrba, Kamil (2017-03-31)
    Presented work deals with applications of the single Z-Copy Controlled-Gain Voltage Differencing Current Conveyor (ZC-CG-VDCC) in single purpose and multifunctional biquadratic voltage- and current-mode active resistor-less ...