Universiteto leidyba / University's Publishing: Recent submissions
Dabar rodomi įrašai 1-20 iš 3993
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IEEE 802.11e capabilities in dense wireless networks
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)The usage of IEEE 802.11 wireless equipment has been growing in recent years. Nevertheless, the spectrum which is used by such equipment is already overcrowded and due to this, the performance of wireless devices is ... -
Voice calls users' behavior in terms of call duration
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)During base station subsystem (BSS) or radio access network (RAN) construction, the system capacity is planned according to the expected traffic volume in the coverage areas. When the traffic volume is within the planned ... -
Voltage controlled oscillator with frequency response by linear in time function
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)The voltage controlled oscillator with feature when frequency response to voltage step is not instantaneous but linear in time function with controlled slope has been proposed. Additionally, the frequency time dependence ... -
The adaptive temporal NMR flowmeter
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)This article describes a method for flow measurement of liquids containing protons. Measurements are made using by method of interaction with the test medium in a non contact manner using fields that penetrate through the ... -
Adaptive smoothing and filtering in transducers
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)The article discusses adaptive filtering in the measurement signals with complex dynamics. Smoothing is pro- posed to change depending on the dynamics. Dynamics is estimated by approximating the current values of linear, ... -
Identification of technological equipment with significant impact on uncertainty of electrical balances
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)The drawbacks of electrical balances calculation methods are considered in the paper. In order to increase accuracy of appropriate balances it is necessary to verify them via electricity meters. Due to limited number of ... -
Harmonic identification of technological objects in real time
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)The features of controlling technological objects with unstable parameters, which change their properties during operation over a wide-range, are considered in the article. The coefficients of the equivalent transfer ... -
Synthesis of optimal control systems for braking process for automatic manipulator frame
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)The paper considers the problem appearance of inertia hanger with details at movement galvanic automatic manipulator. It explores new methods for the synthesis of optimal control system to determine the optimal function. ... -
Synthesis of PI controller with fuzzy set theory
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)Defined technique of control system model design with fuzzy logic controller. Presented simulation modeling results of the system with fuzzy logic controller. The input and output linguistic variables term-set accessory ... -
Welcome
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 19, 2016, Vilnius, Lithuania, 2016)We are very glad to welcome our colleagues young scientists, researchers and practitioners to the 3rd Open Conference of Electrical, Electronic and Information Sciences (eStream'2016), held in Vilnius, Lithuania, 19 April ... -
QoS efficiency for individual user in 3G networks
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)Packet data traffic volume and a packet switch related services climb upward in UMTS (Universal Mobile Telecommunications System) networks. Services provided on a live network became very complex and require different QoS ... -
Design of a time-gain-compensation amplifier for ultrasonic echo signal processing
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)This article presents a design concept of a time-gain-compensation (TGC) amplifier integrated circuit (IC) for ultrasonic echo signal processing. The TGC chain contains pre-amplification, attenuation, filtering and comparison ... -
Business process event log use for activity sequence analysis
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)It is mandatory for nowadays businesses to improve their processes to survive. The basis of this improvement is business process analysis. The analysis can be done in multiple ways but one of the state of the art solutions ... -
Dynamic business process model implementation solutions
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)Business processes in enterprise are changing due to changes in the environment of business systems. These changes need to be implemented with very low latency because it is necessary to maintain competitiveness. Usually ... -
Research of Fitts' law characteristics using curved display, electroencephalography and eyes tracker
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)Fitts law is a background for every end user system. The software design made by thousands of rules is orientated into task execution time. But in our days more and more people are using two displays (monitors) for daily ... -
Revised 2D fast fourier transform
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)It is assumed here, that some signal samples in the respective period, available for processing digitally by the fast Fourier transform (FFT) procedure for determining spectra of two-dimensional (2D) signals, are updated ... -
Inertial sensor based object tracking method for video based technical support system
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)Recently, live video streaming from hand- held devices entered mass market. Ordinary video conference systems were supplemented with additional features, such as marking in order to point attention of the conference ... -
Measuring the speed of capillary soaking with adaptation regarding coordinates
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)The options of improving the accuracy of the soaking dynamics detector measurements are considered in the article. It is proposed to replace the capacitor of the sensing device with a completely metalized surface of the ... -
Evaluation metrics for ontology-based security standards mapping
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)Harmonization methods provides techniques for different documents alignment, comparison and evaluation. Most popular harmonization method to align two documents is mapping, but this method is too complicated when we need ... -
CMOS technology based LC VCO review
(2015 Open Conference of Electrical, Electronic and Information Sciences (eStream), April 21, 2015, Vilnius, Lithuania, 2015)This paper reviews CMOS LC Voltage Controlled Oscillators (VCO) for wireless multi-standard transceivers and wireless communications. The main parameters, such as phase noise, carrier frequency, supply voltage, tuning ...