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SCIENTIFIC WORK

SCIENTIFIC AND TECHNICAL JOURNAL źRADIO COMMUNICATION THEORY AND EQUIPMENT╗ ISSUE 3, 2008

FUTURE TRENDS FOR INTELLIGENCE TECHNOLOGIES SIMULATION IN COMMUNICATIONS AND MILITARY FORMATION TACTICAL CONTROL SYSTEMS

V.I. KUZNETSOV, V.N. POVETKO, YU.S. SUKHORUKOV

Analysis results on future trends for communications and military formation tactical control systems and subsequent requirements to those systems functioning models are given. The possibility (the way) to model communication and control networks and their functioning under collision conditions is shown and the concern problems arising on its base are presented.


METHODOLOGICAL APPROACH TO EFFICIENCY OF COMMUNICATION SYSTEM INTEGRATED INTO THE SINGLE TACTICAL AUTOMATED CONTROL SYSTEM

YU.V. SIDOROV, YU.S. SUKHORUKOV, A.└. YERYGIN

Methodological approach to evaluating several versions of communications and data exchange systems integrated into the single tactical automated control system is elaborated which is based on the criterion of enhancing the battle operation capabilities and the military and economic efficiency.


GENERALIZED PROBABILITY INTEGRAL ASYMPTOTIC PRESENTATION IN THE COMPLEX DOMAIN

N.E. KOROTKOV

Generalized probability integral presentation corresponding to the asymptotic equivalency criteria when its argument tends to infinity at the complex plane is given.


MULTICRITERIAL CHOICE OF RADIO COMMUNICATION IDENTIFICATION SYSTEM VERSION BASED ON FUSY SETS THEORY

YU.V. GULYAEV, A.S. BAGDASARYAN, G.A. KASHCHENKO, R.V. SEMYONOV

Multicriterion choice algorithm of radio frequency identification system (RFID) based on fuzzy set theory is discussed.


VIRUSES IMPACT ON MOBILE TELEPHONES

N.N. TOLSTYKH, M.YU. SUKHORUKOV, I.O. TOLSTYKH, A.V. TOLCHEYEV, V.V. STRELNIKOV

Basing on the retrospective analysis classification features are marked out and typical representatives of mobile telephone viruses are determined; its construction principles and functioning algorithms are discussed. This type information impact model representation and the results of prediction for their development according to evolutional alteration in developing the technology of this type control system organization are synthesized.


AMPLITUDE-PHASE ERRORS CORRECTION IN RADIO-DIRECTION FINDING ANTENNA SYSTEMS

YU.B. NECHAEV, E.S. MAKAROV

The possibility of carrying out some additional radio-direction finderĺs calibration based on some preliminary measurements of the electromagnetic field amplitude-phase distribution of the reference oscillator, collocated in discrete points is investigated. Direction-finding characteristics for single-signal case are acquired. Two methodologies for carrying out the received signal amplitude-phase distribution correction, which allows to achieve super solution algorithm operability for radio source with angle spacing less than Rayleigh bound are offered.


SYNTHESIS FOR THE OPTIMUM PLL-SYSTEM WITH FRACTIONAL FREQUENCY DIVIDER

S.╩. ROMANOV, A.I. LUKINOVA

PLL-system with fractional dividers is synthesized by optimal linear filtration methods that use delta-sigma modulation and which are controlled by the auto-oscillators; its noise-spectrum curve is approximated by fractional rational function. A quasi-optimum PLL-system which output signal noise dispersion is approximated to optimum PLL-system output signal dispersion is offered. The optimum PLL-system and quasi-optimum PLL-system are compared as regards to their operating speed.


COMPARATIVE ANALYSIS OF NAVIGATION DATA SECONDARY PROCESSING ALGORITHM EFFICIENCY UNDER INTEFERENCE CONDITIONS

V.V. NEROVNY

Comparative analysis results on the accuracy characteristic and anti-jamming immunity of the GPS satellite radar system equipment are presented. They are grounded on the probability of non-presenting navigation data for the secondary data processing algorithms on the base of the least squares techniques and Kalman filter.


COMPARATIVE EVALUATION OF SIGNAL DETECTION ALGORITHMS AT ITS PARAMETERS PRIOR UNCERTAINTY

O.V. AVDEYEV└, V.A. ROGACHYOV

The detection algorithms comparison for two samples one of which pertains to the background and the other one can contain the detected signal is carried out using Student statistics, Fisher statistics, non-central Fisher statistics and modified Fisher statistics. It was shown that the application of the latter one provides some better (on the set of possible existing parameter values) detection characteristics.


MODELLING THE ELECTROMAGNETIC ENVIRONMENT FOR RADIO ELECTRONIC MEANS GROUPING IN THE THREE-DIMENSIONAL AREA

A.D. KOROBOVA, E.A. KHROMYKH, S.N. SHULZHENKO, E.A. RUDNEV

Methodology for modelling the electromagnetic environment created by radio electronic means grouping and its application for solving the practical problems in evaluating electromagnetic compatibility parameters are examined.


MATHEMATICAL MODELLING OF ADAPTIVE ANTENNA ARRAY PROCESSOR FOR ANALYZING THE SIGNAL PROCESSING EFFICIENCY

A.V. RYZHKOV, A.└. TEMNYSHOV

Some questions concerned with modelling of weight coefficient control device for adaptive antenna array (AAA) are discussed. The offered models for signal discrete values at the component part outputs of the AAA processor structural diagram allow to carry out its operation statistical modelling and to determine the accuracy restrictions on processor component parts as well as to find the range of AAA antenna patterns(AP) and to determine interference suppression level.


STRUCTURAL SCHEME SYNTHESIS FOR ADAPTIVE ANTENNA ARRAY PROCESSOR

A.V. RYZHKOV

Peculiarities of designing the adaptive antenna array weight coefficient control unit (AAA processor) are discussed. The possibility to use the offered unit structure for AAA processor synthesis using the noise- power minimization algorithm with useful signal protection is shown.


NON-LINEAR OPTICAL EFFECTS IN FIBRE-OPTIC COMMUNICATION LINES

N.N. TOLSTYKH, M.V. FIROV

Non-linear effects are evaluated and optical waveguide response is determined in function of transmitted signal power on the base of modelling the optical signal propagation over optical waveguides.