Recent Submissions

  • Distributed Sensing Based on Interferometry and Polarization Methods for Use in Fibre Infrastructure Protection 

    Münster, Petr; Horváth, Tomáš; Vojtěch, Josef (MDPI, 2019-04-16)
    Fibre optic infrastructures are very important, and therefore, it is necessary to protect them from fibre cuts. Most fibre cuts are caused by digging activity, and many network operators seek appropriate solutions enabling ...
  • Design of Fractional-Order Integrator Controlled by Single Voltage Gain 

    Šotner, Roman; Petržela, Jiří; Jeřábek, Jan; Herencsár, Norbert; Andriukaitis, Darius (IEEE, 2019-07-01)
    This work presents analyses of interaction of fractional- and integer-order transfer functions when their responses are added together by simple linear operation of sum. The mathematical background is very complex but ...
  • Comparative Study of Op-Amp-based Integrators Suitable for Fractional-Order Controller Design 

    Herencsár, Norbert; Kartci, Aslihan; Yildiz, Hacer A.; Šotner, Roman; Dvořák, Jan; Kubánek, David; Jeřábek, Jan; Koton, Jaroslav (IEEE, 2019-07-01)
    In this paper, a fractional-order capacitor (FOC) of an order = 0.89 (i.e. constant phase angle –80.1 degree) was emulated via Valsa RC network with five branches. The network component values were optimized using modified ...
  • VDIBA-Based Fractional-Order Oscillator Design 

    Kartci, Aslihan; Herencsár, Norbert; Dvořák, Jan; Vrba, Kamil (IEEE, 2019-07-01)
    This paper deals with a voltage-mode integer- and fractional-order oscillator design providing compact and simple CMOS structure. The proposed circuit consists of only one grounded/floating capacitor, one grounded/floating ...
  • Synthesis and Optimization of Fractional-Order Elements Using a Genetic Algorithm 

    Kartci, Aslihan; Agambayev, Agamyrat; Farhat, Mohamed; Herencsár, Norbert; Brančík, Lubomír; Bagci, Hakan; Salama, Khaled Nabil (IEEE, 2019-06-14)
    This study proposes a new approach for the optimization of phase and magnitude responses of fractional-order capacitive and inductive elements based on the mixed integer-order genetic algorithm (GA), over a bandwidth of ...
  • Visible Light Communication: A System Perspective - Overview and Challenges 

    Rehman, Saeed; Ullah, Shakir; Chong, Peter; Yongchareon, Sira; Komosný, Dan (MDPI, 2019-03-07)
    Visible light communication (VLC) is a new paradigm that could revolutionise the future of wireless communication. In VLC, information is transmitted through modulating the visible light spectrum (400–700 nm) that is used ...
  • 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 ...
  • Simultaneous Transmission of Photonic Services over One Fiber with an ITU 100 GHz Grid 

    Horváth, Tomáš; Münster, Petr; Vojtěch, Josef; Smotlacha, Vladimír (MDPI, 2019-04-02)
    The increasing interest in distributed sensors and the decreasing price of optical components have led to leveraging the use of existing fiber in deployments over optical networks and more application possibilities (from ...
  • Simulation of Achievable Data Rates of Broadband Power Line Communication for Smart Metering 

    Mlýnek, Petr; Mišurec, Jiří; Šilhavý, Pavel; Fujdiak, Radek; Sláčik, Ján; HASIRCI, Zeynep (MDPI, 2019-04-12)
    This paper presents results of such a simulation study. It is based on realistic PLC channel model implementation in Network Simulator 3, our modification and extension of this implementation for our use case scenario. It ...
  • 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 ...
  • Website Hosting Data and Analysis 

    Ilgner, Petr; Komosný, Dan; Rehman, Saeed (Czech Statistical Office, 2019-03-22)
    We have collected a large dataset – more than 21 000 websites – through web-crawling the public resources of the Czech Internet. Te proposed method for website hosting detection along with their geographic location and ...
  • Linear function blocks following recent trends in analog circuit design 

    Herencsár, Norbert (VUTIUM, 2015-10-21)
    By following the most recent trend and progress in analog signal processing, this habilitation thesis deals with the latest developments in areas such as single-ended and fully-differential first-order all-pass filter ...
  • Towards Robust Voice Pathology Detection 

    Harár, Pavol; Galáž, Zoltán; Alonso-Hernandez, Jesus; Mekyska, Jiří; Burget, Radim; Smékal, Zdeněk (Springer, 2019-01-02)
    Automatic objective non-invasive detection of pathological voice based on computerized analysis of acoustic signals can play an important role in early diagnosis, progression tracking and even effective treatment of ...
  • Fully differential first-order allpass filters using a DDCC 

    Horng, Jiun-Wei; Wu, Chang-Ming; Herencsár, Norbert (NISCAIR-CSIR, 2014-08-01)
    Two voltage-mode high input impedance differential input-differential output first-order allpass filters based on differential difference current conveyor (DDCC) are presented. Each of the proposed circuit uses one plus-type ...
  • 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 ...
  • Fractional-Order Oscillator Design Using Unity-Gain Voltage Buffers and OTAs 

    Kartci, Aslihan; Herencsár, Norbert; Koton, Jaroslav; Brančík, Lubomír; Vrba, Kamil; Tsirimokou, Georgia; Psychalinos, Costas (IEEE, 2017-08-06)
    In this study, a new voltage-mode fractional-order oscillator using two unity-gain voltage buffers, two operational transconductance amplifiers, one resistor, and two capacitors is presented. The design procedure of ...
  • Electronically Reconfigurable Universal Filter Based on VDTAs 

    Langhammer, Lukáš; Šotner, Roman; Domanský, Ondřej; Hricko, Tomáš (IEEE, 2018-04-19)
    The proposed filter extends features of the previously presented Voltage Differencing Transconductance Amplifiers (VDTAs)-based frequency filter. It brings the new advantage of an electronic reconfiguration of its transfer. ...
  • History, Progress and New Results in Synthetic Passive Element Design Employing CFTAs 

    Koton, Jaroslav; Herencsár, Norbert; Venclovský, Martin (International Society for Science and Engineering, 2015-03-31)
    After the presentation of the Current Follower Transconductance Amplifier (CFTA) active element, it has found a numerous application possibilities while designing linear and non-linear analog function blocks. This paper ...
  • CMOS-based active RC sinusoidal oscillator with four-phase quadrature outputs and single-resistance-controlled (SRC) tuning laws 

    Lahiri, Abhirup; Herencsár, Norbert (Elsevier, 2012-09-07)
    This paper proposes a very compact CMOS realization of active RC sinusoidal oscillator capable of generating four quadrature voltage outputs. The oscillator is based on the cascade of lossless and lossy integrators in loop. ...
  • Validation of Fractional-Order Lowpass Elliptic Responses of (1 + )-Order Analog Filters 

    Kubánek, David; Freeborn, Todd; Koton, Jaroslav; Dvořák, Jan (MDPI, 2018-12-13)
    In this paper, fractional-order transfer functions to approximate the passband and stopband ripple characteristics of a second-order elliptic lowpass filter are designed and validated. The necessary coefficients for these ...

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