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2011 (32)
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Biomedical Image Analysis by Program "Vision Assistant" and "Labview"
Izak, Peter - Hrianka, Miroslav

Formato:	,
Enlaces:	This paper introduces application in image analysis of biomedical images. General task is focused on analysis and diagnosis biomedical images obtained from program ImageJ. There are described methods which can be used for images in biomedical application. The main idea…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

First-order Phase Transitions in Finite Systems I: Periodic Boundary Conditions
Medved, Igor

Formato:	,
Enlaces:	We briefly review rigorous results on the finite-size effect near first-order phase transitions at which a two-phase coexistence takes place. We consider a large class of statistical mechanical models in (hyper)cubic volumes with periodic boundary conditions at low temperatures. The…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Traps in Zirconium Alloys Oxide Layers
Frank, Helmar

Formato:	,
Enlaces:	Oxide films long-time grown on tubes of three types of zirconium alloys in water and in steam were investigated, by analysing I-V characteristic measured at constant voltages with various temperatures. Using theoretical concepts of Rose [3] and Gould [5], ZryNbSn(Fe)…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Determination of the Position of a Tectonic Dislocation in the Shape of a Line, which is Radiating Gamma Rays
Virdzek, Pavel - Bellan, Ivan - Sidor, Peter - Kostrova, Jela

Formato:	,
Enlaces:	In the present paper we describe a computation of the position of a tectonic dislocation in the shape of a line, which is radiating gamma rays. We derive the equation for dose rate as a function of the distance of…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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Rhythmical Phenomena in Dermal Perfusion - Proved Assesment Strategies and new Discoveries
Huelsbusch, Markus; RWTH Aachen University - Blazek, Vladimir; RWTH Aachen University

Formato:	,
Enlaces:	The phenomena of rhythm fluctuation of arterial blood pressure were discovered already in the first continuous recordings in the 18th century. However the formation of such rhythms hasn’t been explained until now. This work presents two concepts which could aid…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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Telemedical System for Monitoring of Blood Pressure
Fabian, Vratislav - Fejtova, Marcela

Formato:	,
Enlaces:	It is increasingly clear that the traditional way of measuring blood pressure in the clinic or office frequently produces numbers that grossly overestimate a patient’s true blood pressure level. This effect is often caused by so called „white coat“ syndrome.…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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Modular Measuring System for Assesment of the Thyroid Gland Functional State
Rosik, Vladimir; Slovak academic sciences - Tysler, Milan; Slovak academic sciences - Svehlikova, Jana; Slovak academic sciences - Zdinak, Jaroslav; Slovak academic sciences

Formato:	,
Enlaces:	Distributed modular system BioLab for biophysical examinations enabling assessment of the thyroid gland functional state is presented in the paper. The BioLab system is based on a standard notebook or desktop PC connected to an Ethernet-based network of two smart…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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Explanation of Some Features of the Cardiovascular Control in Horses
Kozelek, Petr; Czech Technical University in Prague - Holcik, Jiri; Czech Technical University in Prague

Formato:	,
Enlaces:	Shortening of RR intervals is often associated with prolonging QT intervals in dynamic studies of the cardiovascular activity in horses. Causes of the relationship have not been explained neither in veterinary nor human medicine yet. Our simulation experiments explain that…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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Linear Feedback Analysis of Cardiovascular System using Seismocardiogram
Holcik, Jiri; Czech Technical University in Prague - Smrcka, Pavel; Czech Technical University in Prague - Kohut, Martin; Czech Technical University in Prague - Jiřina, Marcel; Czech Technical University in Prague

Formato:	,
Enlaces:	The paper deals with an analysis of relationship between heart rate described by a sequence of cardiac interbeat intervals and mechanical activity of heart represented by a sequence of systolic forces. Both the quantities were determined from seismocardiograms recorded from…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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10.

Application of Hardware Desription Languages to Specification of the Point Module Interlocking Logic
Kawalec, Piotr; Warsaw University of Technology - Mocki, Jacek; Scott Wilson Kirkpatrick Co & Ltd

Formato:	,
Enlaces:	There is proposal to apply hardware description languages HDL in this paper to specify control movement devices in transport. Languages HDL, mainly used to design specialised programmable and reprogrammable digital devices, allow both simple and precise ways to describe functionality…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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11.

J-A Hysteresis Model Parameters Estimation using GA
Zidaric, Bogomir; TECES - Miljavec, Damijan; Univerza v Ljubljani

Formato:	,
Enlaces:	This paper presents the Jiles and Atherton (J-A) hysteresis model parameter estimation for soft magnetic composite (SMC) material. The calculation of Jiles and Atherton hysteresis model parameters is based on experimental data and genetic algorithms (GA). Genetic algorithms operate in…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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12.

, Telemetry System of Biological Parameters
Spisak, Jan - Penhaker, Marek

Formato:	,
Enlaces:	, The mobile telemetry system of biological parameters serves for reading and wireless data transfer of measured values of selected biological parameters to an outlying computer. It concerns basically long time monitoring of vital function of car pilot.The goal of…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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13.

, Telemetry Measurement of Selected Biological Signal Using Bluetooth Technology
Cerny, Martin - Penhaker, Marek

Formato:	,
Enlaces:	, This work treats of using the Bluetooth technology in biomedical engineering. The Bluetooth is used for transmission of measured data from pulse oximeter, ECG and monitor of blood pressure. OEM modules realize the devices for pulse oximetry and ECG.…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

14.

Complex Simulation Model of Mobile Fading Channel
Marek, Tomas; Technical University of Zilina - Psenak, Vladimir; Siemens PSE, s.r.o - Wieser, Vladimir; Technical University of Zilina

Formato:	,
Enlaces:	In the mobile communication environment the mobile channel is the main limiting obstacle to reach the best performance of wireless system. Modeling of the radio channel consists of two basic fading mechanisms - Long-term fading and Short-term fading. The contribution…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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15.

WCDMA Mobile Radio Network Simulator with Hybrid Link Adaptation
Wieser, Vladimir; Technical University of Zilina - Psenak, Vladimir; Siemens PSE

Formato:	,
Enlaces:	The main aim of this article is the description of the mobile radio network model, which is used for simulation of authentic conditions in mobile radio network and supports several link adaptation algorithms. Algorithms were designed to increase efficiency of…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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16.

Optimal Dimensioning of Broadband Integrated Services Digital Network
Chmelikova, Zdenka

Formato:	,
Enlaces:	Tasks of this paper are research of input flow statistic parametres influence and parameters demands relating to VP (Virtual Path) or VC (Virtual Channel) dimensioning. However it is necessary to consider different time of flow arrival and differend time of…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

17.

X-Ray Diffractometry of Thin Layers - Possibilities and Problems
Zucha, Vladimir - Jackuliak, Quido

Formato:	,
Enlaces:	Efficieney of two deconvolution methods used in X-ray powder diffraction analysis is compared for thin films of Pd and Pt. The first method is the classical Stokes method and the second one is method of indirect deconvolution. But calculated integral…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

18.

Geard-Ring and Charge Collection Efficiency of GaAs Detector
Perdochova, Andrea - Dubecky, Frantisek - Necas, Vladimir - Zatko, Bohumir

Formato:	,
Enlaces:	The study present the results of an experimental investigation focused on the inflence of guard-ring on detector charge collection. The tested detector is based on semi-insulating (SI) GaAs substrate with a base thinkness of 250 um, where the depletion region…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

19.

Sims Characterisation of ZnO Layer Prepared By Pulsed Laser Deposition
Vincze, Andrej - Michalka, Miroslav - Bruncko, Jaroslav - Uherek, Frantisek

Formato:	,
Enlaces:	New material development requires new technologies to create and prepare basic material for semiconductor industry and device applications. Materials have given properties, which exhibit particulary small tolerances. One of the most important and promising material is recently ZnO. ZnO has…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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20.

Complex Imaging of Photorefractive Records
Turek, Ivan - Tarjanyi, Norbert

Formato:	,
Enlaces:	Commonly used diffraction method of photorefractive effect investigation does not give the complete information about properties of photorectrative record. Thus, the legitimate assumption aries that such a way of investigation cannot register manifestation of the all-possible mechanisms contributing to formation…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

21.

Orgin of Slag from Early Medieval Age Furnaces in Nitra
Dekan, Julius - Miglierini, Marcel - Stassikova-Stukovska, Danica

Formato:	,
Enlaces:	Two types of archaeological artefacts from remains of Early Medieval Age furnaces excavated in Nitra are analysed. They are supposed to originate from slag of glass and iron production. Employing Mossbauer spectrometry, iron crystallographic sites are identified and compared. In…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

22.

Spectral Investigation of Laser Structures using NSOM Experiment
Pudis, Dusan - Kovac jr., Jaroslav - Kovac, Jaroslav - Martincek, Ivan - Gottschalch, Volker

Formato:	,
Enlaces:	We present for the first time the local spectral analysis of quantum well laser devices recorded in the near-field region. The distribution of mode spectra along and active region was scanned near-field scanning optical miecroscopy (NSOM). This experimental technique in…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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23.

Nanotubes as Cold Cathode Elements
Janik, Jan - Vinduska, Peter - Marton, Marian

Formato:	,
Enlaces:	Several materials have been developed, investigated and have exhibited various emission properties following the intent to use them as cold cathodes. The most significant steps in the development of such materials were probably diamon/DLC thin films and nanotubes. these steps…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

24.

First-Order Phase Transitions in Finite Systems II: Weak Boundary Conditions
Medved, Igor

Formato:	,
Enlaces:	We continue in our brief review of rigorous results on the finite-size effect near firt-order phase transitions with a two phase coexistence. We again consider the large class of statiscal mechanical models in (hyper)cubic volumes and at low temperatures that can…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

25.

Behaviour of Human Hemodynamics under Microcavity –a Proposal for the 7th German Parabolic Flight Campaign
Blazek, Vladimir; RWTH Aachen University - Hülsbusch, Markus; RWTH Aachen University - Herzog, Markus; RWTH Aachen University - Blazek, Claudia R.; RWTH Aachen University - Gunga, Hanns Christian; Charité University Medicine - Kowoll, Rainer; Charité University Medicine - Fraszl, Waltraud; Charité University Medicine

Formato:	,
Enlaces:	All astronauts often feel uncomfortable during first encounter microgravity because of fluid shifts from the lower extremities to the head caused by weightlessness. Parabolic flights offer a great possibility for research of this phenomenon under “zero gravity”. With a combination…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

26.

The Human Eye Position Control System in a Rehabilitation Setting
Nolan, Yvonne; National University of Ireland - Burke, Edward; National University of Ireland - Boylan, Clare; National University of Ireland - de Paor, Annraoi; National University of Ireland

Formato:	,
Enlaces:	Our work at Ireland’s National Rehabilitation Hospital involves designing communication systems for people suffering from profound physical disabilities. One such system uses the electro-oculogram, which is an (x,y) system of voltages picked up by pairs of electrodes placed, respectively, above…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

27.

Noninvasive Identification of Ischemic Lesion in the Heart
Tysler, Milan; Slovak Academy of Sciences - Turzova, Marie; Slovak Academy of Sciences - Svehlikova, Jana; Slovak Academy of Sciences - Heblakova, Eva; Slovak Academy of Sciences

Formato:	,
Enlaces:	A method for noninvasive identification of heart lesions with changed repolarization caused by local ischemia was proposed and tested on a model and on a group of patients. It evaluates changes in QRST integral maps measured on a chest surface…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

28.

Synthesis of Reliable Telecommunication Networks
Trstensky, Dusan - Schwartz, Ladislav - Trunkvalter, Milan - Bartos, Roman - Sadovsky, Jaroslav

Formato:	,
Enlaces:	In many application, the network designer may to know to senthesise a reliable telecommunication network. Assume that a network, denoted Gm,e has the number of nodes n and the number of edges e, and the operational probability of each edge…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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29.

The Effect of Substitution of Fe By Co on Rapidly Quenched (FeCo)MoCuB Amorphous Alloys
Paluga, Marek - Mrafko, Peter - Svec, Peter - Janickovic, Dusan - Illekova, Emilia - Conde, Clara F.

Formato:	,
Enlaces:	(Fe1-xCox)79Mo8Cu1B15 amorphous alloys ware prepared in the form of ribbons by rapid quenching for x=0. 0.25 and 0.5. The effect of variation of Co/Fe ratio is analyzed with respect to the formation of amorphous state and to transformation of the…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

30.

Performance of AlGaN/GaN Heterostructure Field-Effect Transistors for High-Frequency and High-Power Electronics
Kordos, Peter - Bernat, Jan - Heidelberger, Gero - Marso, Michel

Formato:	,
Enlaces:	Preparation and properties of GaN-based heterostructure field-effect transistors (HFETs) for high-frequency and high-power applications are studied in this work. Performance of unpassivated and SiO2 passivated AlGaN/GaN HFETs, as well as passivated SiO2/AlGaN/GaN MOSHFETs (metal-oxide-semicondutor HFETs) is compared. It is found…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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31.

Conversion of Dielectric Data from the Time Domain to the Frequency Domain
Durman, Vladimir - Lelak, Jaroslav

Formato:	,
Enlaces:	Polarisation and conduction processes in dielectric systems can be identified by the time domain or the frequency domain measurements. If the systems is a linear one, the results of the time domain measurements can be transformed into the frequency domain,…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering

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32.

Influence of Magnetic Field on Electric Charge Transport in Holomiun Thin Films at Low Temperatures
Dudas, Jan - Gabani, Stanislav - Kavecansky, Viktor - Vincze, Andrej

Formato:	,
Enlaces:	Holmium thin films were prepared by evaporation in ultrahigh vacuum (UHV) and high precision electrical resistance measurements were performed on them as well as on holomium bulk sample in the wide temperature range from 4,2 K up to the room…
Fecha:	2011-06-28
Recurso:	Advances in Electrical and Electronic Engineering