INFORMATION TECHNOLOGIES AND SYSTEMS
3
Features of representation technological processes knowledge base in computer training systems are considered. Automation of knowledge dynamic model designing for intellectual training systems is carried out by special tool complex. For representation of dynamic knowledge the solving rules constructed in the course of discrimination learning are used.
DEFINITION OF AVIATION CARRIER TRAJECTORY OF SYNTHESIZED-APERTURE RADAR
Авдеев В. А., Добриков В. А.
10
It is offered to use a method of relative measurements on signals of satellite radionavigation systems for precision coordinate maintenance of carriers of radars with the synthesized aperture of the antenna that will allow to raise quality of the synthesized radar-tracking image and as more precisely and operatively to carry out binding the radar-tracking image to earth location.
DEVICES AND SYSTEMS OF AUTOMATIC CONTROL
RESEARCH OF DYNAMIC SYSTEMS WITH MULTIPLICATION OF VARIABLES ON THE BASIS
OF KRONECKER MATRIX STRUCTURES
Кожевникова Л. В., Ushakov Anatoly Vladimirovich
15
The research problem of processes in dynamic systems with multiplication of variables is considered. For the specified purposes opportunities kronecker vector and matrix structures are used. The problem is solved with reference to systems with peak modulation.
HANKEL SINGULAR VALUES AND FREQUENCY RESPONSES OF LINEAR SYSTEM
Мироновский Л. А., Шинтяков Д. В.
20
Linear control systems with hankel singular values of high repeated are considered. For such systems their frequency responce is investigated and the opportunity of definition on them of singular values without calculation controllability and observability gramians is shown.
COMPUTING TECHNIQUE
REALIZATION OF COLLECTIVE SIGNATURE PROTOCOL ON THE BASIS OF STANDARDS
FOR DIGITAL SIGNATURE
Ананьев М. Ю., Гортинская Л. В., Andrey A. Kostin , Молдовян Н. А.
26
The paper considers the collective digital signature protocol based on computing a digest of the individual parameters produced by users in dependence on the message and their private keys. The protocol provides simultaneous process of the signature generation and uses the standard public key infrastructure. There are formulated the main requirements to the protocol and considered implementation of the protocol using the Russian standards for digital signatures GOST R 34.10-94 and GOST R 34.10-2001.
FORMAL BASE FOR SOFTWARE QUALITY EVALUATION
Vadim V. Burakov
31
The description of formal components of an estimation of quality of software is offered. Models of software, qualities and metrics of software are submitted. As a formal basis of models the theory of categories and the graph theory are used. Within the framework of the described approach with the help of model of quality conceptual modelling concept of quality of software is carried out and the quantitative estimation of quality with the help of model of metrics is provided.
FINE MECHANICS DEVICES
THERMOVISION AND VIBROACOUSTICS DIAGNOSTICS OF ELECTROMECHANICAL DEVICES
Белоусов А. А., Явленский А. К., Севастьянов А. А., Волков А. С.
39
Questions of the analysis of thermal and vibrating fields are considered. By the example of the electric machine the degree of their correlation and an opportunity of application for monitoring a technical condition and diagnostics of defects of executive mechanisms is determined. The technique which can form a basis for diagnosing electromechanical devices on parameters of temperature and vibrations is offered.
ELECTRONIC AND ELECTROMAGNETIC DEVICES
INTERPOLATION OF FUNCTION WITH DISCRETE FOURIER TRANSFORM
Sergey I. Ziatdinov
43
There are investigation of linear distortion in the time of irregular process interpolation on the principles of its spectral concentration samples, that were received with the discrete Fourier transform. Interpolation mistakes for different spectral correlation characteristics of irregular process are analysed. It’s showed that interpolation mistakes amount to zero in the sample points and they amount to their maximum meaning in the middle of sampling period.
POWER SUPPLY OF FOUR-QUADRANT ELECTRIC DRIVE
Andrey P. Baev, Гончаренко М. Р., Исаков А. С.
46
Results of research and development of power supply on the basis of IGBT inverters with a sinusoidal pulse-width modulation meant for four-quadrant asynchronous electric drives with the vector control systems for subway escalators are presented.
PULSE GENERATOR WITH JITTER
Valery A. Chulkov, Aleksey V. Medvedev
50
The methods and devices of generating signals with random phase deviation for checking digital data transmitting and processing systems are described. The authors deal with the device circuit on the basis of Altera FPGA, in which the law of pulse phase deviation is set digitally, with the help of a pseudorandom number generator. Modeling the pulse generator with the jitter in Quartus II application program is performed and the analysis of pulse delay time distribution is made.
OPTICAL AND OPTO-ELECTRONIC INSTRUMENTS AND SYSTEMS
EVOLUTION OF CONOSCOPIC PICTURES AT CHANGE OF OPTICAL AXIS POSITION OF A CRYSTAL PLATE
Alexander V. Syuy, Vladimir I. Stroganov, Рудой К. А.
55
Peculiarities of optical system, which can be used for determination of optical axis orientation in a cristal plate are analysed. Are presented designed conoscopic pictures of crystal plate, by the form which the direction of an optical axis of a crystal is possible to determine.
DEFINITION OF STRUCTURED SURFACES PARAMETERS
Гримм В. А.
57
Questions of representation of the structured surfaces for calculation of optical systems are considered. Within the framework of program Modeling Optical System (MOPS) the original way of the task of their parameters as a set of functions from number of a zone of an element of a surface is offered. Formulas for the description of parameters as frenel, and the raster structured surfaces are presented. As an example of use of new type of surfaces results of calculation frenel lenses are resulted.
ELLIPSOMETRY OF INHOMOGENEOUS SURFACE LAYERS OF ANISOTROPICAL OPTICAL
ELEMENTS
Новиков А. А., Khramtsovsky Igor Anatolievich, Иванов В. Ю., Федоров И. С., Туркбоев А. .
62
Methods of definition of elements of the normalized matrix of reflection and the basic ellipsometry parameters of anisotropical reflecting systems are presented. The experimental-theoretical substantiation of application of ellipsometry generalized equations in Drude — Born approach is given at definition of optical characteristics of non-uniform superficial layers of anisotropical elements of optoelectronics. It is shown, that at polishing and ionic processing of crystal quartz it is formed amorpheous layer which presence leads to losses of optical radiation.
TWO-MIRROR’S OBJECTIVE WITH FOUR REFLECTIONS
Артюхина Н. К., Богатко А. В.
69
Two spherical mirror’s objective with light passing through central apertures in the surfaces is presented; the objective have four reflections. The variant of design factors calculation in which there are no four aberrations is considered. Such objective is useful for optical devices using UV and IR spectral range research.
HEAT REGIMES AND RELIABILITY OF INSTRUMENTS AND SYSTEMS
RESEARCH OF HEAT CONDUCTIVITY OF POLYMERIC COMPOSITE MATERIALS
Volkov Dmitry P, Uspenskaya Mayya Valerievna, Токарев А. В.
75
Influence of glass microballs on heat conductivity of polymeric materials is investigated. Influence of glass microballs concentration and temperatures of heating on heat conductivity of a composite material is shown. The reasons of change of heat conductivity of a composition are explained, because heat conductivity of glass microballs differs on the order in comparison with heat conductivity of a polymeric matrix.
DESIGN PROCEDURE OF PYROMETER SENSITIVITY AT INFLUENCE OF HANDICAPES OF
NON-UNIFORM PHON
Vasily M. Tymkul , Denis S. Shelkovoy
78
The technique is offered and results of calculation of temperature sensitivity of a pyrometer at which work influence is taken into account as a handicap of a non-uniform field of radiation of the background reflected from a surface of researched objects are resulted. Results of calculation of temperature sensitivity of a pyrometer are resulted in function of values of heterogeneity of an ambient temperature.
