Metabuscador

Filtrado por:

Temas

ADSL2+; digital subscriber line; packet jitter modeling; transmission delay. (1)
Active point; acupuncture; frequency; human skin; impedance; meridian; sinusoidal and triangular signal; voltage chart; voltage measurement. (1)
Assigning indicators; high power transformers; TOPSIS method. (1)
BER; Flat Rayleigh; LTE advanced; LS; MMSE; SSD; ZF. (1)
Computer simulation; cyclo-converter; direct converter; frequency converter; resonant converter; two-phase AC motor; two-stage electronic converter. (1)
Más...

Idiomas

Inglés (18)
cze (2)
slo (1)
Más...

Año

2013 (9)
2012 (7)
2010 (5)
Más...

Aproximadamente 21 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

An Introduction to Feedforward Control of Electric Drives
Malek, Michal - Makys, Pavol - Stulrajter, Marek

Formato:	,
Enlaces:	The field of electric drives provides a broad spectrum of applications with different power demands, utilized motor types or different environment requirements. Lot of applications are characterized by very high demands on accuracy and dynamic properties and have attribute of…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

A Combined TOPSIS and FA Based Strategic Analysis of Technical Condition of High Power Transformers
Bartlomeijczyk, Mikolaj - Gutten, Miroslav - Hamacek, Stefan

Formato:	,
Enlaces:	The paper presents mathematical model - TOPSIS method, which was utilized on insulating state of distribution transformer to analyze and sensibility of individual measurements methods mutual comparison. We can uniquely determine the importance of these measurements methods with this mathematical…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

A Single MO-CFTA Based Electronically/Temperature Insensitive Current-mode Half-wave and Full-wave Rectifiers
Kongnun, Weerapon - Silapan, Phamorn

Formato:	,
Enlaces:	The article presents a current-mode full-wave rectifier employing multiple output current follower transconductance amplifier (MO-CFTA). The both circuits description is very simple, it merely comprises only single MO-CFTA, without external passive element. In addition, the magnitude and direction of output…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Optical Properties of Microstructured Fibre Tuned by Filling with Magnetic Liquids
Vanda, Jan; HiLASE project, Institute of Physics, Acadamy of Sciences of the Czech Republic - Candiani, Alessandro; Information Engineering Department, University of Parma, Area Parco delle Scienze 181/A 43124, Parma, Italy

Formato:	,
Enlaces:	Alternative for adjust optical fiber light-guiding properties by bulk glass doping is provided by microstructured optical fibers, which allows access directly to the light guiding core via their microstructure. Following paper will report utilizing of suspended-core, so-called high-delta, microstructured optical…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Attacks to Cryptography Protocols of Wireless Industrial Communication Systems
Ondrasina, Tomas - Franekova, Maria

Formato:	,
Enlaces:	The paper deals with problems of safety and security principles within wireless industrial communication systems. First safety requirements to wireless industrial communication system, summarisation of attack methods and the available measures for risks elimination are described with orientation to safety…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Power System for Intelligent House
Jahelka, Michal

Formato:	,
Enlaces:	Power supply of intelligent houses or house phones is possible to do with standard transformer with voltage stabilizer or with intelligent power supply. Standard solution can has as a result of failure fuse blown or fire occurrence. Intelligent power supply…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Spectral Subtractive Type Speech Enhancement Methods
Verteletskaya, Ekaterina - Simak, Boris

Formato:	,
Enlaces:	In this paper spectral subtractive method and some of its modification are compared. Performance of spectral subtraction, its limitations, artifacts introduced by it, and spectral subtraction modifications for eliminating these artifacts are discussed in the paper in details. The algorithms…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Analytical Model of IPsec Process Throughput
Tisovsky, Adam - Baronak, Ivan

Formato:	,
Enlaces:	The paper concerns with a throughput of securing process which cannot be described neither by a constant value of bits per second nor by a constant value of packets per second over the range of packet sizes. We propose general…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

A Dynamic Voltage Restorer based on Matrix Converter with Fuzzy Controller
Shabanpour, Amin - Seifi, Ali Reza

Formato:	,
Enlaces:	In this paper, a Dynamic Voltage Restorer (DVR) without any energy storage devices is proposed to compensate network voltage during disturbances. This DVR utilizes a matrix converter in its topology which eliminates the DC-link capacitor of conventional DVR. The modulation…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

10.

Triangular and Trapezoidal Fuzzy State Estimation with Uncertainty on Measurements
Sarcheshmah, Mohammad Sadeghi - Seifi, Ali Reza

Formato:	,
Enlaces:	In this paper, a new method for uncertainty analysis in fuzzy state estimation is proposed. The uncertainty is expressed in measurements. Uncertainties in measurements are modelled with different fuzzy membership functions (triangular and trapezoidal). To find the fuzzy distribution of…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

11.

Evaluation of the Harmonic Impedance of Frydlant (Line 53) Power Network
Ali, Shehab Abdulwadood; University of Aden - Bodor, Alfred; EnerGoConsult CB, s.r.o.

Formato:	,
Enlaces:	The harmonic impedance of the power system is an important quantity, which describes the behaviour of the power system with the existence of different frequencies beside the fundamental. The harmonic study belongs to the most difficult part of the electrical…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

12.

Implementation of Optical Meanders of the Optical-Fiber DTS System Based on Raman Stimulated Scattering into the Building Processes
Koudelka, Petr; Assistant Editor-in-Chief, VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Telecommunications - Latal, Jan; VSB-Technical University of Ostrava - Vitasek, Jan; VSB-Technical University of Ostrava - Hurta, Jan; VSB-Technical University of Ostrava - Siska, Petr; VSB-Technical University of Ostrava - Liner, Andrej; VSB-Technical University of Ostrava - Papes, Martin; VSB-Technical University of Ostrava

Formato:	,
Enlaces:	The Optical fiber DTS (Distribution Temperature Systems) are unique distributed temperature systems using optical fiber as a sensor. These systems are able to measure the temperature along the fiber, in some case they can measure tension as well. For their function they use…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

13.

Utilization Asterisk for Service Desk
Vychodil, Jiri - Tomala, Karel - Voznak, Miroslav

Formato:	,
Enlaces:	Article discusses our established Service Desk, which was created to help and facilitate the work of a wide sector of users. To reduce costs in small and large institutions rather than traditional PBX solutions, the use Voice over IP (VoIP)…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

14.

General Notes on Processes and Their Spectra
Cepciansky, Gustav - Schwartz, Ladislav

Formato:	,
Enlaces:	The frequency spectrum performs one of the main characteristics of a process. The aim of the paper is to show the coherence between the process and its own spectrum and how the behaviour and properties of a process itself can…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

15.

Experimental System for Investigation of Visual Sensory Input in Postural Feedback Control
Pucik, Jozef - Saling, Marian - Lovas, Stanislav - Kucharik, Martin - Ondracek, Oldrich - Cocherova, Elena

Formato:	,
Enlaces:	The human postural control system represents a biological feedback system responsible for maintenance of upright stance. Vestibular, proprioceptive and visual sensory inputs provide the most important information into the control system, which controls body centre of mass (COM) in order…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

16.

The Frequency and the Shape of Driving Signal Influence in Measurement of the Active Points
Kukucka, Marek; Slovak University of Technology, Faculty of Electrical engineering and Information, technology, Institute of Electronics and Photonics, assistant professor - Krajcuskova, Zuzana; Slovak University of Technology, Faculty of Electrical engineering and Information, technology, Institute of Electronics and Photonics, assistant professor

Formato:	,
Enlaces:	Our contribution deals with the human skin voltage chart measurement. The human skin has a certain impedance or resistance - it can be easily described and simulated using a substitute electric circuit. But the skin also contains parts with measurably…
Fecha:	2012-09-27
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

17.

A New Concept of Two-Stage Multi-Element Resonant-/Cyclo-Converter for Two-Phase IM/SM Motor
Abdalmula, Mahmud Ali Rzig

Formato:	,
Enlaces:	The paper deals with a new concept of power electronic two-phase system with two-stage DC/AC/AC converter and two-phase IM/PMSM motor. The proposed system consisting of two-stage converter comprises: input resonant boost converter with AC output, two-phase half-bridge cyclo-converter commutated by…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

18.

Performance of LTE ADVANCED Uplink in a Flat Rayleigh Channel
Kasem, Edward; BUT university - Faculty of Electrical Engineering and Communication - Marsalek, Roman; BUT university - Faculty of Electrical Engineering and Communication - Blumenstein, Jiri; BUT university - Faculty of Electrical Engineering and Communication

Formato:	,
Enlaces:	This paper describes the performance of LTE advanced uplink transmission in a flat Rayleigh channel. The uplink is simulated using a modified version of the Vienna uplink link level matlab code simulator. This modified version supports two transmission antennas instead…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

19.

Transmission Delay Modeling of Packet Communication over Digital Subscriber Line
Vodrazka, Jiri; Dpt. of Telecommunication Engineering Czech Technical University in Prague - Lafata, Pavel; Dpt. of Telecommunication Engineering Czech Technical University in Prague

Formato:	,
Enlaces:	Certain multimedia and voice services, such as VoIP, IPTV, etc., are significantly delay sensitive and their performance is influenced by the overall transmission delay and its variance. One of the most common solutions used in access networks are xDSL lines,…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

20.

Fault Indicators of Partial Discharges in Medium-Voltage Systems
Hamacek, Stefan; VŠB-TU Ostrava Štefan HAMACEK, today he is a scientific researcher in the Department of Electrical Engineering, Technical University of Ostrava and applies himself to the issue of medium-voltage lines with covered conductors and problems associated with the fault detection of covered conductors. He also deals with the problems of traction cathenary and research dissemination of stray currents in the area of traction. - Misak, Stanislav

Formato:	,
Enlaces:	The safety and reliability of the electricity system, these are the two basic keywords present in the energy sector. One of the ways to improve the overall security of the electricity system is to reduce the failure rate of transmission…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

21.

Statistical Analysis of Compression Methods for Storing Binary Image for Low-Memory Systems
Slaby, Roman; VSB-TUO - Nowakova, Jana; VSB-TUO - Hercik, Radim; VSB-TUO

Formato:	,
Enlaces:	The paper is focused on the statistical comparison of the selected compression methods which are used for compression of the binary images. The aim is to asses, which of presented compression method for low-memory system requires less number of bytes…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering