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ISSN: 1607-3274    frecuency : 4   format : Electrónica

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Volume 22013)RadioElectronics Number 2 Year 2013

27 articles in this issue 

V. I. Gurevich

The reasons for nuisance tripping of residual current devices (RCD) are analyzed in the article and the affect of many external factors is discussed. Solutions are described for avoiding faulty tripping of an RCD.

 

V. V. Vasilevskiy,M. A. Polyakov

The existing approach to the optimization of the technological processes does not adequately account for differences in quality of products, manufactured by different embodiments of technological process, if output control is not guaranteed to detect all ... see more

 

M. V. Mishchenko,A. Y. Farafonov,D. A. Kovalenko,Y. A. Sitsilitsin

Abstract – in this study, the synthesis method of tolerance deviations on the geometrical parameters of microstrip devices was developed. The synthesis and the research of tolerance limits of the geometric parameters single-link hairpin microstrip low-pas... see more

 

D. M. Piza,A. S. Sirenko,E. A. Zviahintsev

In this article we propose a method to adapt canceller at the beginning of the range sweep. The analysis of the extent of clutter from meteorological formations and chaff has been provided. It was found that the most difficult conditions to adapt cancelle... see more

 

S. N. Romanenko,V. P. Dmitrenko,V. A. Voskoboynyk

Simple analytical relations for calculating parameters of microstrip directional couplers are obtained. It is shown that depending on the power splitting ratio k in the output ports of the circuit the technological restrictions of couplers are changed. At... see more

 

E. ?. Shama

In the article a possibility is considered as to decrease information features at discrimination of vegetable objects. The multiple discriminant Fisher analysis with step-by-step inclusion of variables was used as an algorithm of discrimination. The infor... see more

 

G. M. Shilo,O. V. Sirotuk,?. E. Savello,J. A. Lopatka,E. K. Areshkin,M. P. Gaponenko

The dependence of volume, mass and size on the number of boards and the distance between them in sealed unit of electronic devices is researched. Mass and size characteristics are calculated excluding the mass of electronic components, wiring harness and ... see more

 

M. A. Artyukhova,V. V. Zhadnov,S. N. Polesskiy

The current period of creation of the electronic equipment of a responsible and special purpose is characterized by universal introduction of the Quality Management Systems at the enterprises developers and producers of electronic equipment. Quality Manag... see more

 

V. I. Dubrovin,J. V. Tverdohleb

Research of changes of entropy and energy on signal decomposition is presented. Coifman’s method for the purpose for signal delineation was modified. The method of complex signal delineation based on wavelet transformation and information theory is propos... see more

 

T. A. Kolpakova

The problem of optimal distribution of orders among multiple contractors participating in the tender is considered. During tendering when contract is prepared for signing, some additional requirements can appear. If the selected contractor can’t satisfy t... see more

 

V. I. Levin

Our article considers the problem of optimization of incompletely specified functions, namely, functions which parameters are given within range of possible values. It is shown that solution of this problem also requires solving problem of determining sta... see more

 

H. I. Nikulishchev

Digital signature schemes can fulfill an actual task of ensuring fairness and transparency of electronic election. However, existing standards and protocols need modification into blind signature and additional security check by the anonymity criterion. T... see more

 

Y. V. Panasenko

The article describes the boundary-value problem of the theory of optimal control for matrix differential equations in the critical case. This problem is urgent for wide range of applications like modeling of linear technological and economic processes. A... see more

 

O. M. Trofymchuk,O. A. Kozhukhivska,P. I. Bidyuk,A. D. Kozhukhivskyi

The emergence of a market risk due to performing operations with currency can result insubstantial financial losses. That is why such situations require carrying out of profoundanalysis and management of respective risks. The market risk of this kind is c... see more

 

S. V. Choporov

Nowadays engineers and researchers are faced with solving very complex problems in a mathematical modeling and design. Numerical analysis naturally finds applications in all fields of engineering and the physical sciences. The finite element method is a p... see more

 

D. V. Shevtsov

Arbitrary nature digital binary images signs automatic modeling, naming and recognition are actual scientific and practical problems, which are existing in many areas of information technologies application scopes, particularly in electronic documents pro... see more

 

S. N. Firsov,O. V. Reznikova

Formed the structure of the orientation and stabilization system for ensuring its active fault tolerance. Parameterized types of failures of the system functional elements, characterized by changes in the properties of the conversion elements. Received di... see more

 

V. V. Romanuke

Object classification problem is considered, where neocognitron and multilayer perceptron may be applied. As neocognitron, solving almost any classification problem, performs too slowly and expensively, then for recognizing shifted monochrome images there... see more

 

A. Shafronenko,I. Pliss,Ye. Bodyanskiy

The problem of computational intelligence systems synthesis in on-line mode, capable for processing stochastic signals with missing observations in the data is considered. An adaptive approach based on using of orthogonal polynomials is developed.

 

V. I. Dubrovin,J. V. Tverdohleb,V. V. Kharchenko

The given work presents the methodology of R-peaks detection in an electrocardiogram signal based on Discrete Wavelet Transformation. The optimal level decomposition of the detail coefficients can be determined by energy, frequency and cross-correlation a... see more

 

M. V. Ievlanov

The article describes the concept of modern ideas of «architecture», which are used in the development of information systems for different purposes. The features of the service approach to the representation of the information system are considered. Prop... see more

 

O. A. Pishchukhina

The problems of analysis and modeling of requirements while development of e-learning systems with feedback are considered. Subject area of requirements development is determined, choice of CASE-tools for creating models from generated subject area is exp... see more

 

A. V. Sergienko,A. A. Kargin

The article describes the information technology for recognition of the number on the hot metal transfer ladle. Processing stages have been identified and described: preliminary processing, localization and number identification. The filtration and incomp... see more

 

S. Y. Skrupsky

The article deals with the parallelization of Ultra HD-videoinformation compression process in distributed system. The advantages and disadvantages of modern Ultra HD video format have been discussed. The evaluation of the computational complexity of the ... see more

 

I. A. Orlovskyi

An important component of student learning process automation systems is to provide skills installation, commissioning, maintenance and use of theoretical knowledge in the projects of modernization of equipment. To improve laboratory practice in the Zapor... see more

 

R. A. Chepkunov,D. I. Levinzon

The features of control of the electric drives with the indirect measuring of speed are related by the presence of positive feed-back on a current, by the large pulsations of signal of feed-back on voltage in the direct-current electric drive, by the disp... see more