Now showing items 35-54 of 94

  • 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 ...
  • Multivariate classification of echellograms: a new perspective in Laser-Induced Breakdown Spectroscopy analysis 

    Pořízka, Pavel; Klus, Jakub; Mašek, Jan; Rajnoha, Martin; Prochazka, David; Modlitbová, Pavlína; Novotný, Jan; Burget, Radim; Novotný, Karel; Kaiser, Jozef (Springer Nature, 2017-12-01)
    In this work, we proposed a new data acquisition approach that significantly improves the repetition rates of Laser-Induced Breakdown Spectroscopy (LIBS) experiments, where high-end echelle spectrometers and intensified ...
  • 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 ...