Metabuscador

Filtrado por:

Temas

Idiomas

Inglés (407)
sk (89)
cs (9)
slo (3)
Más...

Año

2013 (20)
Más...

Aproximadamente 508 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Methods of Calculation of Digital Signals Spectra
Cepciansky, Gustav - Schwartz, Ladislav

Formato:	,
Enlaces:	Modern telecommunication networks work on the transmission method of common data streams in which data bursts consisting of packets that further consist of particular bits are multiplexed from various traffic sources. The larger amount of data is transmitted through a…
Fecha:	2011-10-13
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Efficient Propulsion Structure with an Axial Flux Rotary Converter for HEV Drive Unit
Havel, Ales; VSB-TU Ostrava - Vaculik, Petr; VSB-TU Ostrava - Slivka, David; VSB-TU Ostrava

Formato:	,
Enlaces:	This paper describes an efficient axial flux arrangement of the four quadrant rotary converter for hybrid electric vehicles. The design of the axial flux wound stator and both axial flux squirrel cage rotors is based on the arrangement of radial…
Fecha:	2011-10-13
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

A Five Level NPC Inverter Controlled by Using SHEPWM Strategy
Cherchali, Noureddine Ould - Tlemcani, Abde Abdelhalim - Barazane, Linda - Boucherit, Mohamed Seghir

Formato:	,
Enlaces:	The object of this paper is to analyse the behavior and the performances of a three-phase induction machine supplied with a five level neutral-point-clamped (NPC) inverter controlled by Selective Harmonic Eliminated Pulse-Width Modulation Technique (SHEPWM). First, the modeling of the…
Fecha:	2011-10-13
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Temperature Characterization of Passive Optical Components for WDM-PON FTTx
Chovan, Jozef; International Laser Centre, Ilkovičova 3, Bratislava, Slovak Republic Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak Technical University in Bratislava, Ilkovičova 3, Bratislava, Slovak Republic - Uherek, Frantisek; International Laser Centre, Ilkovičova 3, Bratislava, Slovak Republic Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak Technical University in Bratislava, Ilkovičova 3, Bratislava, Slovak Republic - Kurinec, Radoslav; Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak Technical University in Bratislava, Ilkovičova 3, Bratislava, Slovak Republic - Satka, Alexander; International Laser Centre, Ilkovičova 3, Bratislava, Slovak Republic Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak Technical University in Bratislava, Ilkovičova 3, Bratislava, Slovak Republic - Pavlov, Jozef; Sylex, s.r.o., Mlynské luhy 31, Bratislava, Slovak Republic - Seyringer, Dana; Fachhochschule Vorarlberg GmbH, Hochschulstrasse 1, Dornbirn, Austria

Formato:	,
Enlaces:	In this paper we report on the experimental test set-up for the temperature characterization of optical multiplexers/demultiplexers in the C - telecommunication band. Particularly the temperature change of transmission parameters like polarization dependent loss and insertion loss are investigated. The…
Fecha:	2011-10-13
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Modelling of Attenuation and Crosstalk of Cascaded Transmission Lines
Lafata, Pavel

Formato:	,
Enlaces:	This paper deals with the measurements and modelling of attenuation and near-end (NEXT) and far-end (FEXT) crosstalk for cascaded metallic transmission lines. The transmission parameters of homogenous metallic line can be easily described by telegraph equations or cascade matrix; there…
Fecha:	2011-10-13
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Modelling of H.264 MPEG2 TS Traffic Source
Klucik, Stanislav; Institute of Telecommunications Faculty of Electrical Engineering and Information Technology Slovak University of Technology in Bratislava Ilkovicova 3 Bratislava 812 19 Slovakia - Lackovic, Martin

Formato:	,
Enlaces:	This paper deals with IPTV traffic source modelling. Traffic sources are used for simulation, emulation and real network testing. This model is made as a derivation of known recorded traffic sources that are analysed and statistically processed. As the results…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Modeling of Telecommunication Cables for Gigabit DSL Application
Nevosad, Marek; Department of Telecommunication Engineering Faculty of Electrical Engineering, Czech Technical University in Prague Prague - Lafata, Pavel - Jares, Petr

Formato:	,
Enlaces:	The first part of our paper brings the description and analysis of method used for modeling of metallic cable’s parameters according to the modified KPN model. Moreover we were able to perform measurements and estimations for real metallic cable’s with…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Admission Control in IMS Networks
Chromy, Erik; Slovak University of Technology - Jadron, Marcel - Kavacky, Matej - Klucik, Stanislav

Formato:	,
Enlaces:	In our paper there is an emphasis on simulations of admission control methods in MATLAB environment. The main task of admission control method is to make a decision if the connection requiring network access should be accepted to the network…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Small Cell Network Topology Comparison
Oppolzer, Jan; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech Technical University in Prague Technicka 2 Prague 166 27 Czech Republic - Bestak, Robert

Formato:	,
Enlaces:	One of the essential problems in a mobile network with small cells is that there is only a limited number of (PCIs) available. Due to this fact, operators face the inevitable need for reusing (PCIs). In our contribution, we are…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

10.

Room Thermostat with Servo Controlled by PIC Microcontroller
Skapa, Jan; VSB-Technical University of Ostrava - Kramar, Petr

Formato:	,
Enlaces:	This paper describes the design of room thermostat with Microchip PIC microcontroller. Thermostat is designated for two-pipe heating system. The microprocessor controls thermostatic valve via electric actuator with mechanical gear unit. The room thermostat uses for its activity measurements of…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

11.

Unsupervised Spelling Correction for Slovak
Hladek, Daniel; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering Technical University of Kosice Park Komenskeho 13 042 00 Kosice Slovak Republic - Stas, Jan - Juhar, Jozef

Formato:	,
Enlaces:	This paper introduces a method to automatically propose and choose a correction for an incorrectly written word in a large text corpus written in Slovak. This task can be described as a process of finding the best matching sequence of…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

12.

Comparison among Models to Estimate the Shielding Effectiveness Applied to Conductive Textiles
Lopez, Alberto; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech Technical University in Prague Technicka 2 Prague 166 27 Czech Republic - Vojtech, Lukas - Neruda, Marek

Formato:	,
Enlaces:	The purpose of this paper is to present a comparison among two models and its measurement to calculate the shielding effectiveness of electromagnetic barriers, applying it to conductive textiles. Each one, models a conductive textile as either a (1) wire…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

13.

Availability Model for Virtualized Platforms
Hlavacek, Jiri; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech technical university in Prague Prague - Bestak, Robert

Formato:	,
Enlaces:	Network virtualization is a method of providing virtual instances of physical networks. Virtualized networks are widely used with virtualized servers, forming a powerful dynamically reconfigurable platform. In this paper we discuss the impact of network virtualization on the overall system…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

14.

The Analysis of SUCCESS HPON Networks Using the HPON Network Configurator
Roka, Rastislav; Institute of Telecommunications Slovak University of Technology Bratislava SLOVAKIA

Formato:	,
Enlaces:	NG-PON systems present optical access infrastructures to support various applications of the many service providers. In the near future, we can expect NG-PON technologies with different motivations for developing of HPON networks. The HPON is a hybrid passive optical network…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

15.

Problem of Channel Utilization and Merging Flows in Buffered Optical Burst Switching Networks
Kozak, Milos - Jaumard, Brigitte - Bohac, Leos

Formato:	,
Enlaces:	In the paper authors verify two problems of methods of operational research in optical burst switching. The first problem is at edge node, related to the medium access delay. The second problem is at an intermediate node related to buffering…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

16.

Fault Tolerant Ethernet Based Network for Time Sensitive Applications in Electrical Power Distribution Systems
Bohac, Leos; Czech technical university in Prague - Vodrazka, Jiri

Formato:	,
Enlaces:	The paper analyses and experimentally verifies deployment of Ethernet based network technology to enable fault tolerant and timely exchange of data among a number of high voltage protective relays that use proprietary serial communication line to exchange data in real…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

17.

Development of the Real Time Situation Identification Model for Adaptive Service Support in Vehicular Communication Networks Domain
Kurmis, Mindaugas; Institute of Mathematics and Informatics Vilnius University Akademijos str. 4 Vilnius Lithuania - Andziulis, Arunas - Dzemydiene, Dale - Jakovlev, Sergej - Voznak, Miroslav - Drungilas, Darius

Formato:	,
Enlaces:	The article discusses analyses and assesses the key proposals how to deal with the situation identification for the heterogeneous service support in vehicular cooperation environment. This is one of the most important topics of the pervasive computing. Without the solution…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

18.

OpenFlow Deployment and Concept Analysis
Hegr, Tomas; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech Technical University in Prague Technicka 2 Praha 6 Czech Republic - Bohac, Leos - Uhlir, Vojtech - Chlumsky, Petr

Formato:	,
Enlaces:	Terms such as SDN and OpenFlow (OF) are often used in the research and development of data networks. This paper deals with the analysis of the current state of OpenFlow protocol deployment options as it is the only real representative…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

19.

Performance Analysis of IMS Network: the Proposal of new Algorithms for S-CSCF Assignment
Nagy, Lubos - Novotny, Vit - Uramova, Jana - Makhlouf, Nermin

Formato:	,
Enlaces:	This article is focused on the proposal of three load balancing methods which can be used for a selection of S-CSCF (Serving-Call Session Control Server) server in IP Multimedia Subsystem (IMS) during the registration procedures of subscribers. All presented methods…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

20.

Wearable Textile Electrodes for ECG Measurement
Vojtech, Lukas - Bortel, Radoslav - Neruda, Marek - Kozak, Milos

Formato:	,
Enlaces:	The electrocardiogram (ECG) is one of the most important parameters for monitoring of the physiological state of a person. Currently available systems for ECG monitoring are both stationary and wearable, but the comfort of the monitored person is not at…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

21.

Vehicular Networks and Road Safety: an Application for Emergency/Danger Situations Management Using the WAVE/802.11p Standard
Fazio, Peppino; Dipartimento di Elettronica Informatica e Sistemistica Faculty of Engineering University of Calabria - de Rango, Floriano - Lupia, Andrea

Formato:	,
Enlaces:	Car-to-car communication makes possible offering many services for vehicular environment, mainly to improve the safety. The decentralized kind of these networks requires new protocols to distribute information. The advantages that it offers depend on the penetration rate, that will be…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

22.

A Methodology for Measuring Voice Quality Using PESQ and Interactive Voice Response in the GSM Channel Designed by OpenBTS
Partila, Pavol; Department of Telecommunications Faculty of Electrical Engeneering and Computer Science VSB-Technical University of Ostrava Ostrava - Kohut, Marek - Voznak, Miroslav - Mikulec, Martin - Safarik, Jakub - Tomala, Karel

Formato:	,
Enlaces:	This article discusses a methodology for rating the quality of mobile calls. Majority telecommunications service from the perspective of the whole world is using mobile telephony networks. One of the problems affecting this service and its quality are landscape barriers,…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

23.

Categorization of Unorganized Text Corpora for better Domain-Specific Language Modeling
Stas, Jan; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice - Zlacky, Daniel; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice - Hladek, Daniel; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice - Juhar, Jozef; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice

Formato:	,
Enlaces:	This paper describes the process of categorization of unorganized text data gathered from the Internet to the in-domain and out-of-domain data for better domain-specific language modeling and speech recognition. An algorithm for text categorization and topic detection based on the…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

24.

Vehicular Networking Enhancement And Multi-Channel Routing Optimization, Based on Multi-Objective Metric and Minimum Spanning Tree
Fazio, Peppino; Dipartimento di Elettronica Informatica e Sistemistica Faculty of Engineering University of Calabria - Sottile, Cesare - Santamaria, Amilcare Francesco - Tropea, Mauro

Formato:	,
Enlaces:	Vehicular Ad hoc NETworks (VANETs) represent a particular mobile technology that permits the communication among vehicles, offering security and comfort. Nowadays, distributed mobile wireless computing is becoming a very important communications paradigm, due to its flexibility to adapt to different…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

25.

Generalized Radio Resource Management for Overlapping MBS Zones
Luo, Fang - Chou, Yu-Feng - Cheng, Ray-Guang - Kalika, Marek - Holy, Radek - Kalikova, Jana

Formato:	,
Enlaces:	Multicast and broadcast service (MBS) is a point-to-multipoint service where data packets are transmitted simultaneously from a single source to multiple destinations. In MBS, some base stations (BSs) may form an MBS zone and transmit identical MBS contents simultaneously using…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

26.

Surface Effect on Three Phase Lines of Low-Ohmic Furnaces
Novak, Pavel

Formato:	,
Enlaces:	The article another option of using numerical method of elementary conductors in surface effect three-phase supply linesfor low-ohmic furnaces. Impedance asymmetry of three-phase supply lines of different conductor profiles and various spaceconfigurations is analysed following to the author`s article published…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

27.

WDM in Courses of Communication Technologies
Filka, Miloslav - Bernkopf, Miroslav

Formato:	,
Enlaces:	This conference paper shows and demonstrates how modern technologies (such as WDM – Wavelength Division Multiplex) were introduced to students of Optical Networks lectured at Brno University of Technology, Faculty of Electrical Engineering and Communication, Dept. of Telecommunications.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

28.

Epitaxial Layers of InP Doped With Rare Elements for Use in Radiation Detector
Kozak, Halyna - Sopko, Bruno - Zdansky, Karel

Formato:	,
Enlaces:	We have focused on the investigation of the impact of Ce, Eu, Tm, Eu2O3 and Tm2O3 addition in LPE growth process on the properties of InP layers in the context of their application in detector structures.
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

29.

Science is a Part of the Culture
Turek, Ivan

Formato:	,
Enlaces:	The contribution points on relation between sciences and various aspects of the life of a society. The relation of physics and mathematics with technical disciplines is stressed. It is accented that technical education should be based on a mathematical and…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

30.

Note on the Methodology of Measuring the Attenuation of Acustic Waves in Solid State
Sidor, Peter - Vajda, Drahoslav

Formato:	,
Enlaces:	The presented paper is a note on the methodology of measuring the attenuation of ultrasonic waves in the case of observation device not facilitating a direct measurement of the attenuation based on the definition of the ratio of amplitudes. Instead…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

31.

Intermodal Interference as a Source of Information on Optical Fibres
Kacik, Daniel - Turek, Ivan - Martinecek, Ivan - Grendár, Drahomír

Formato:	,
Enlaces:	A basic description of intermodal interference which follows possibility investigation of intermodal interference in spectral and space region. There is also a brief description of equipments used for such investigation and some illustrations of obtained results. There is pointed in the…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

32.

Four-Wave Mixing Aplication in Semiconductor Optical Amplifier
Odrobinak, Radoslav

Formato:	,
Enlaces:	Four-Wave Mixing (FWM) in semiconductor optical amplifiers is an attrative mechanism for wavelenght coversion in wavelenght-division multiplexed (WDM) systems since it provides modulation format and bit rate transparency over wide tuning ranges. A series of systems experiments evaluating several aspects…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

33.

Diagnostics and Reconfiguration of Control Systems
Krokavec, Dusan - Filasova, Anna

Formato:	,
Enlaces:	This contribution summarizes some of the major trends, as well as real opportunities for the application of system fault diagnosis and reconfiguration control structures in automatic control systems. There are referenced ongoing concepts for residual generation, described design approaches in virtual reconfiguration…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

34.

Mathematical Model of Thyristor Inverter Including a Series-parallel Resonant Circuit
Luft, Miroslaw; Technical University of Radom - Szychta, Elzbieta

Formato:	,
Enlaces:	The article presents a mathematical model of thyristor inverter including a series-parallel resonant circuit with theaid of state variable method. Maple procedures are used to compute current and voltage waveforms in the inverter.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

35.

Possibilities of Genetic Algorithm Application in the Calculation of Power Networks Operation,
Rapsik, Miroslav - Altus, Juraj

Formato:	,
Enlaces:	The paper describes the possibilities of genetic algorithm application by the reactive power flows’ optimization in Slovak power transmission system. The methods of reactive power flow calculation and the utilization of genetic algorithms for their minimalization are indicated in the…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

36.

Location in Mobile Networks Using Database Correlation (DCM)
Mada, Michal - Duha, Jan

Formato:	,
Enlaces:	The article presents one of the methods of location (DCM), which is suitable for using in urban environments, where other methods are less accurate. The principle of this method is in comparison of measured samples of signal with samples stored…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

37.

High-Freqeuncy Analysis of Three-Winding Autotransformers 400/121/34 kV
Gutten, Miroslav - Brandt, Martin - Polansky, Roman - Prosr, Pavel

Formato:	,
Enlaces:	This article deals with a description of methods of an experimental analysis concerning the actual condition of windings and magnetic circuit of the autotransformer, which is required in power transmission companies all over the world.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

38.

Analysis of PMMT Operation for Renewable (PV/FC) Energy Source
Sul, Robert - Fibich, Peter - Frivaldsky, Michal

Formato:	,
Enlaces:	Utilization and construction of renewable energy sources require complexity of whole system. It is considered touse a set of devices that are necessary for energy conversion, accumulation, preparation and its distribution into electrical power supply network. The way of realization…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

39.

Advanced Ceramics Electronics Application
Trnka, Pavel - Bujalobokova, Magdalena

Formato:	,
Enlaces:	Ceramics materials infringe human life from early years of the humankind. Together with the progress of the science and engineering, various materials and technologies have been used. Suitable materials and technologies have been used in the proper applications. This paper…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

40.

Using of the Modern Semiconductor Devices Based on the SiC
Drabek, Pavel

Formato:	,
Enlaces:	This paper deals with possibility of application of the semiconductor devices based on the SiC (Silicon Carbide) inthe power electronics. Basic synopsis of SiC based materials problems are presented, appreciation of their properties incomparison with current using power semiconductor devices…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

41.

The Assessment of Working Conditions of Traction Substation for Power and Reactive Energy
Wojciechowski, Jerzy - Lukasik, Zbigniew

Formato:	,
Enlaces:	In this paper, problems concerning the management of reactive power of DC traction substation have been discussed. The structure of traction system and its main elements has been sketched. Reactive power issue with respect to rectifier sets has been presented.…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

42.

Quality of Power Supply in European View
Prokop, Lukas - Hradilek, Zdenek

Formato:	,
Enlaces:	This paper deals with comparisons of situation in quality of power supply regulation in some of European countries, which are interested in CEER (Council of European Energy Regulators). Especially we focused our analysis on reliability indices, relationship between supplier and…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

43.

Estimates of Quantities in a Hall Effect Geodynamo Theory
de Paor, Annraoi M; NUI Dublin

Formato:	,
Enlaces:	Currents, resistances, dynamo constant, Hall voltage coefficient and inductances are estimated for the author’s geodynamo theory incorporating the Hall Effect. It is concluded that the Hall Coefficient in the bulk liquid core of the Earth is approximately 1.512x10-1, orders of…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

44.

Estimation of Energy Not Supply
Medvec, Zdenek - Prokop, Lukas

Formato:	,
Enlaces:	Damages in industrial company are raising during electrical interruption of power supply. These damages have usually different character and financial damages are most usual. Value of damage is nearly pertinent to type of industrial branch and working load of production…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

45.

Analysis of Setups of the Control of Rail Microprocessor Systems
Kornaszewski, Mieczyslaw - Lukasik, Zbigniew

Formato:	,
Enlaces:	In the article will have been introduced possibilities following from the application of the microprocessor technology in rail systems of the control of traffic will remain for example of modern signalling on railway crossings. Introduction to microcomputer and microprocessor systems…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

46.

Numerical Solution of Magnetostatic Field of Maglev System
Sobotka, Jaroslav

Formato:	,
Enlaces:	The paper deals with the design of the levitation and guidance system of the levitation train Transrapid 08 by means of QuickField 5.0 – a 2D program formagnetic electromagnetic fields solutions.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

47.

Calculation of Forces Acting on Bars of Induction Machina
Hruska, Karel

Formato:	,
Enlaces:	This calculation is based on calculation of torque components of induction machines. Basic torque components are expanded, using knowledge of machine’s geometry, to the periphery of machine’s rotor. Using Fourier analysis of torque components it is possible to calculate forces…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

48.

Principles of Audio Watermarking
Hrncar, Martin - Krajcovic, Jan

Formato:	,
Enlaces:	The article contains a brief overview of modern methods for embedding additional data in audio signals. It could have many reasons - for the purposes of access control or identification related to particular type of audio. This secret information is…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

49.

Triple Play Service and IPTV Services Offered within it
Pajdusakova, Dagmar - Adamec, Bohumil

Formato:	,
Enlaces:	This paper deals with Triple Play multimedia service and figures its architecture. Triple Play offers voice, video and data services together in one customer connection. There is offered IPTV (Internet Protocol Television) service within this service, where we can include…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

50.

Influence of Electric Discharges on Bearings of Electric Machina
Foldyna, Jiri - Chmelik, Karel - Misak, Stanislav

Formato:	,
Enlaces:	Bearing currents are one of cause’s bearings faults. The character of a lubricator belongs to main factor influencing an inception of bearing currents. We have analyzed the electric character variety kind of lubricators; the influence of lubricators on a bearing…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering