Now showing items 29-48 of 94

  • Fractional-Order Hartley Oscillator 

    Agambayev, Agamyrat; Kartci, Aslihan; Hassan, Ali H.; Herencsár, Norbert; Bagci, Hakan; Salama, Khaled Nabil (IEEE, 2018-07-02)
    A fractional-order capacitor (FOC) is developed using a Molybdenum disulfide ferroelectric polymer composite. The fabricated FOC exhibits constant phase over five decades between 100 Hz-10 MHz, which is the broadest operating ...
  • Fractional-Order Low-Pass Filter with Electronic Tunability of Its Order and Pole Frequency 

    Langhammer, Lukáš; Dvořák, Jan; Jeřábek, Jan; Koton, Jaroslav; Šotner, Roman (FEI STU Bratislava, 2018-02-27)
    This paper presents novel solution of a fractional-order low-pass filter (FLPF). The proposed filter operates in the current mode and it is designed using third-order inverse follow-the-leader feedback topology and operational ...
  • 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 ...
  • 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 ...
  • Fully-Differential Universal Frequency Filter with Dual-Parameter Control of the Pole Frequency and Quality Factor 

    Langhammer, Lukáš; Šotner, Roman; Dvořák, Jan; Jeřábek, Jan; Zapletal, Miroslav (IEEE, 2018-05-30)
    The paper presents a proposal of modified 2ndorder fully-differential universal frequency filter. Both the pole frequency and quality factor (controlled without disturbing each other) of the filter can be controlled by two ...
  • Funkcionální analýza s aplikacemi ve zpracování signálů 

    Veselý, Vítězslav; Rajmic, Pavel (Vysoké učení technické v Brně, 2015-01-01)
    Látka je rozčleněna do sedmi kapitol s cílem podat ucelený výklad základů lineární funkcionální analýzy, který čtenáři umožní hlouběji pochopit matematickou podstatu a usnadnit tak následné studium podle aplikačního zaměření. ...
  • Goertzel Algorithm Generalized to Non-integer Multiples of Fundamental Frequency 

    Sysel, Petr; Rajmic, Pavel (SpringerOpen, 2012-03-22)
    The paper deals with the Goertzel algorithm, used to establish the modulus and phase of harmonic components of a signal. The advantages of the Goertzel approach over the DFT and the FFT in cases of a few harmonics of ...
  • A Harmonized Perspective on Transportation Management in Smart Cities: The Novel IoT-Driven Environment for Road Traffic Modeling 

    Mašek, Pavel; Mašek, Jan; Frantík, Petr; Fujdiak, Radek; Ometov, Aleksandr; Hošek, Jiří; Andreev, Sergey; Mlýnek, Petr; Mišurec, Jiří (MDPI, 2016-11-08)
    The unprecedented growth of today’s cities together with increased population mobility are fueling the avalanche in the numbers of vehicles on the roads. This development led to the new challenges for the traffic management, ...
  • High input impedance voltage-mode universal filter and its modification as quadrature oscillator using VDDDAs 

    Tuntrakool, Sunti; Kumngern, Montree; Šotner, Roman; Herencsár, Norbert; Suwanjan, Peerawut; Jaikla, Winai (NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR), 2017-05-23)
    The second order universal voltage-mode filter using voltage differencing differential difference amplifiers (VDDDAs) has been proposed. It has high input impedance voltage-mode biquad filter with orthogonal tune of natural ...
  • 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 ...
  • Identification and Monitoring of Parkinson’s Disease Dysgraphia Based on Fractional-Order Derivatives of Online Handwriting 

    Mucha, Ján; Mekyska, Jiří; Galáž, Zoltán; Faúndez Zanuy, Marcos; Lopez-de-Ipina, Karmele; Zvončák, Vojtěch; Kiska, Tomáš; Smékal, Zdeněk; Brabenec, Luboš; Rektorová, Irena (MDPI, 2019-01-11)
    Parkinson’s disease dysgraphia affects the majority of Parkinson’s disease (PD) patients and is the result of handwriting abnormalities mainly caused by motor dysfunctions. Several effective approaches to quantitative PD ...
  • Implementation of True IoT Vision: Survey on Enabling Protocols and Hands-on Experience 

    Mašek, Pavel; Hošek, Jiří; Zeman, Kryštof; Štůsek, Martin; Kováč, Dominik; Číka, Petr; Mašek, Jan; Andreev, Sergey; Kröpfl, Franz (Hindawi Publishing Corporation, 2016-04-20)
    Internet of Things (IoT) is expected to become a driver in an emerging era of interconnected world through the advanced connectivity of smart devices, systems, and services. IoT goes beyond a broad range of Machine-to-Machine ...
  • The influence of digital modulations on 320 Gbit/s OTDM 

    Kočí, Lukáš; Münster, Petr; Horváth, Tomáš; Čučka, Milan; Filka, Miloslav (Croatian Communications and Information Society, 2016-06-01)
    The main contribution of this paper is application modulation formats in the 320Gbit/s OTDM and their comparison.
  • Internet Geography and Real Estate Market 

    Komosný, Dan; Bulín, Martin; Ilgner, Petr (IEEE, 2017-11-09)
    This paper introduces a new spatial data resource for Internet geography. The idea is based on merging two up-to-now unrelated fields - the real estate market and Internet networking. The huge real estate market is present ...
  • Joint accurate time and stable frequency distribution infrastructure sharing fiber footprint with research network 

    Vojtěch, Josef; Šlapák, Martin; Škoda, Pavel; Radil, Jan; Havliš, Ondřej; Altmann, Michal; Münster, Petr; Velc, Radek; Kundrát, Jan; Altmannová, Lada; Vohnout, Rudolf; Horváth, Tomáš; Hůla, Miloslav; Smotlacha, Vladimír; Čížek, Martin; Pravdová, Lenka; Řeřucha, Šimon; Hrabina, Jan; Číp, Ondřej (SPIE, 2017-02-07)
    The infrastructure essentialities for accurate time and stable frequency distribution are presented. Our solution is based on sharing fibers for a research and educational network carrying live data traffic with time and ...
  • Komprimované snímání perfúzního zobrazování v MRI 

    Mangová, Marie; Rajmic, Pavel; Jiřík, Radovan (Společnost elektrotechnického inženýrství, 2013-11-20)
    Perfúzní zobrazování v MRI je lékařská diagnostická metoda, kdy pacientovi podáme kontrastní látku a poté průběžně sledujeme průběh její koncentrace v postižené oblasti. Tuto závislost můžeme přibližně matematicky popsat ...
  • 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 ...
  • Links Failure Analysis of Averaging Executed by Protocol Push-sum 

    Kenyeres, Martin; Kenyeres, Jozef; Škorpil, Vladislav (Hikari, 2016-08-01)
    In this paper, we examine the impact of links failure on the push-sum protocol. This protocol is very suitable for the implementation into WSNs and therefore, we verify the robustness of the unsecured execution of this ...
  • Modified GIANT Dynamic Bandwidth Allocation Algorithm of NG-PON 

    Horváth, Tomáš; Oujezský, Václav; Münster, Petr; Vojtěch, Josef; Havliš, Ondřej; Sikora, Pavel (Croatian Communications and Information Society, 2017-04-07)
    As NS-3 simulator does not support the direct mapping of Triple Play services into T-CONT and their labeling. We focus on a delay value for Triple Play services which was reduced by own modification in a GIANT algorithm. ...
  • Multifunction RF Filters Using OTA 

    Herencsár, Norbert; Vrba, Kamil (Springer, 2007-09-03)
    In this paper the procedure of RF filter design using two active elements OTA is shown. The general method of filter design using OTA amplifiers, when the fully connected feedback network was designed around the two OTA ...