Browsing Konferencijų straipsniai / Conference Articles by Faculty "Elektronikos fakultetas / Faculty of Electronics"

Now showing items 1-20 of 746

    • 130 nm diferencinis, pakopinis, krūviui jautrus priešstiprintuvis 

      Barzdėnas, Vaidotas (Elektronika ir elektrotechnika: 10-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“, įvykusios Vilniuje 2007 m. kovo 16 d., medžiaga, 2007)
      Aprašomas diferencinis, pakopinis krūviui jautrus priešstiprintuvis su nuotėkio srovės kompensavimo grandine, dažnai taikomas elementariųjų dalelių registravimo ir medicininėse diagnostinėse sistemose. Aptariami gauti ...

    • 2DE gel image preprocessing using self-organising maps 

      Serackis, Artūras; Matuzevičius, Dalius; Navakauskas, Dalius (Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments, Wilga, Poland, 24-29 June 2010 : proceedings / The International Society for Optical Engineering, 2010)
      Image processing for the comparison and matching of two images is usually based on classical cross-correlation technique. However matching of 2DE gel images requires more sophisticated approach. In this paper the preprocessing ...

    • 3D Vector electric field distributions and dispersion characteristics of open rectangular and circular metamaterial waveguides 

      Gric, Tatjana; Ašmontas, Steponas; Nickelson, Liudmila (18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings. Vol. 2, 2010)
      Here we present the 3D vector electric field distributions of the main and the first higher modes propagating in the open metamaterial rod and hollow-core waveguides.

    • A capacitive feedback 80 dBΩ 1.1 GHz CMOS transimpedance amplifier with improved biasing 

      Romanova, Agata; Barzdėnas, Vaidotas (Proceedings of the 27th international conference "Mixed design of integrated circuits and systems", June 25-27, 2020, Lódz, Poland, 2020)
      The work presents the design of an area-efficient low-noise high-performance CMOS transimpedance amplifier for optical time-domain reflectometers. The proposed solution is based on a low-noise capacitive feedback structure ...

    • A ground reaction force artificial neural network classifier for the diagnosis of parkinson’s disease 

      Aubin, Patrick Mark; Serackis, Artūras; Griškevičius, Julius (Proceedings of XXIIIrd ISB2011 Congress, Brussels, July 3-7, 2011, 2011)
      Parkinson's disease (PD) is a common neurodegenerative disease with symptoms of bradykinesia, rest tremor, rigidity, and postural instability. Currently there is no definitive diagnosis of PD. The disease is diagnosed by ...

    • A new approach for spectrum sensing in wideband 

      Stašionis, Liudas; Serackis, Artūras (EUROCON 2013: Zagreb, Croatia, 1-4 July, 2013, 2013)
      A new algorithm of the spectrum sensing is proposed in this paper. The spectrum sensing methods presented in this paper are optimised to implement these in FPGA based embedded systems. The low power and highly parallelised ...

    • A new self-organizing map topology for real-time spectrum sensing and fast convergence 

      Stašionis, Liudas; Serackis, Artūras (EUROCON 2015 - International conference on computer as a tool (EUROCON), IEEE, Salamanca, 8-11 Sept. 2015, 2015)
      The paper presents a new modification of a self-organizing map topology to increase the speed of feature map convergence. The modification proposed in this paper is useful for real time spectrum sensing applications in ...

    • A Qiucker Training Algorithm for the Lattice-Ladder Multilayer Percertrons = 

      Navakauskas, Dalius (23rd seminar of fundamentals of electronics and circuit theory, IC-SPECTO 200 : Gliwice-Ustron 24-25.05.2000, proceedings, 2000)
      Mostkowo-drabinkowe perceptrony wielowarstwowe wzbudzają duže zainteresowanie, gdyž posiadają nieskonczoną odpowiedž impulsową, a obserwacja ich stabilnosci jest prosta. [...].

    • A review of fingerprinting techniques for smart cities 

      Celik, Gurkan; Baimagambetova, Moldir; Abromavičius, Vytautas (2022 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 21 April 2022, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2022)
      This paper introduces a review on most common fingerprinting techniques for indoor localization systems, and is aimed at the researchers who want to understand all the aspects and start working in the area of fingerprinting ...

    • A review of the basic power amplifier linearization methods 

      Borel, Andžej; Barzdėnas, Vaidotas (2020 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 30 April 2020, Vilnius, Lithuania: proceedings of the conference / organized by Vilnius Gediminas Technical University, 2020)
      This paper reviews the main groups of power amplifier linearization methods. There are three basic groups of linearization methods: feedforward, feedback and pre-distortion. The principle of operation of mentioned linearization ...

    • A study on electrolytic capacitor aging in power converters and parameter change over the lifespan 

      Suskis, Pavels; Zakis, Janis; Suzdalenko, Alexander; Van Khang, Huynh; Pomarnacki, Raimondas (2023 IEEE 10th Jubilee Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE), 27-29 April 2023, 2023)
      Electrolytic capacitor is a very common element used in modern power electronics. Besides the undoubtable advantages as high capacity per volume and low price per capacity unit, they are relatively low reliability and ...

    • A study on sputtered ultrathin chromium films for optical applications 

      Belosludtsev, Alexandr; Sytchkova, Anna; Baltrušaitis, Kazimieras; Gric, Tatjana (Proceedings of SPIE - The International Society for Optical Engineering: Advances in Optical Thin Films VII, 13 September 2021, 2021)
      Structural, optical, and electrical properties of ultrathin chromium films manufactured using magnetron sputtering were investigated. The films showed pure metallic chromium phase yet their refractive index and extinction ...

    • A survey of point cloud reconstruction methods 

      Matiukas, Vilius; Paulinas, Mantas; Ušinskas, Andrius; Adaškevičius, Rimas; Meškauskas, Rimvydas; Valinčius, Donatas (ECT - 2008: proceedings of the 3rd international conference on electrical and control technologies, May 8-9, 2008, Kaunas, Lithuania / Kaunas University of Technology, IFAC Committee of National Lithuanian Organisation, Lithuanian Electricity Association, Full Member Of EURELECTRIC, 2008)
      3D surface reconstruction from unstructured point clouds is a very important technique in today's engineering, manufacturing and visualization. Different point clouds are obtained from various digitizing systems: laser ...

    • Absorption dependencies of dipolar glass cylindrical waveguide coated by SiC on temperatures and coated layer thicknesses 

      Nickelson, Liudmila; Bubnelis, Artūras; Ašmontas, Steponas (PIERS Proceedings: Progress In Electromagnetics Research Symposium, Moscow, Russia, August 19-23, 2012, 2012)
      We have electrodynamically rigorously investigated the open (without metal screen) layered dipolar glass-silicon carbide (SiC) waveguides. Our electrodynamical modeling was carried out by the partial area method with using ...

    • Absorption enhancement in terahertz photoconductive antenna by means of the novel types of metamaterials 

      Gric, Tatjana; Rafailov, Edik (Conference on lasers and electro-optics (CLEO 2020) : Applications and technology [proceedings] : 10–15 May 2020, Washington, DC United States, paper AW4M.4, 2020)
      We numerically investigate terahertz photoconductive antenna based on optimized plasmonic nanostructures, stressing the stronger enhancement in case of transparent conducting oxide nanowires. The case is treated by means ...

    • AC induction motor speed stabilization technique based on amplitude control 

      Šapurov, Martynas; Bleizgys, Vytautas; Baškys, Algirdas; Zubavičius, Raimondas (Intelligent Technologies in Logistics and Mechatronics Systems ITELMS'2013 : proceedings of the 8th international conference, May 23-24, 2013, Panevėžys, Lithuania., 2013)
      The frequency converter supplied AC induction motor speed stabiliz ation technique using motor slip control based on the variation of motor supply voltage amplitude has been proposed. The amplitude of voltage is varied in ...

    • Academic computer network traffic statistical analysis 

      Garšva, Eimantas; Paulauskas, Nerijus; Gražulevičius, Gediminas; Gulbinovič, Lech (2nd Baltic Congress on Future Internet Communications (BCFIC), 25-27 April 2012, Vilnius, Lietuva, 2012)
      The article presents the statistical analysis results of an academic computer network traffic using the data gathered with NetFlow protocol. Results of the statistical analysis are presented in a visual manner which reveals ...

    • Acceleration of feature extraction for FPGA-based speech recognition 

      Arminas, Vytautas; Tamulevičius, Gintautas; Navakauskas, Dalius; Ivanovas, Edgaras (Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments, Wilga, Poland, 24-29 June 2010 : proceedings / The International Society for Optical Engineering, 2010)
      The paper describes a field programmable gate array implementation of the main part of speech recognition system - feature extraction. In order to accelerate recognition the whole cepstral analysis scheme is implemented ...

    • Acceleration of HOG based pedestrian detection in FIR camera video stream 

      Tumas, Paulius; Jonkus, Artūras; Serackis, Artūras (2018 Open Conference of Electrical, Electronic and Information Sciences (eStream), 26 April 2018, Vilnius, Lithuania, 2018)
      Pedestrian detection is one the main problem for the automotive applications which is a challenging task to do. In recent years, the number of approaches was developed to speed up the detection rate and accuracy. However, ...

    • Accuracy enhancement of angular positioning drive 

      Šakalinis, Sigitas; Udris, Dainius (ECT - 2010 : proceedings of the 5th international conference on electrical and control technologies, May 6-7, 2010, Kaunas, Lithuania / Kaunas University of Technology, IFAC Committee of National Lithuanian Organisation, Lithuanian Electricity Association, Full Member Of EURELECTRIC. Electrical and Control Technologies, 2010)
      The main task of this research was an accuracy enhancement of a positioning drive, installed in a test rig for testing and calibration of the geodetic instruments at Vilnius Gediminas Technical University, Institute of ...