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检索条件"任意字段=2020 Systems of Signals Generating and Processing in the Field of on Board Communications"

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Interoperability Application Package

Interoperability Application Package

引用

systems of signals generating and processing in the field of on board communications

作者： G. V. Malshakov Moscow Aviation Institute National Research University Moscow Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

To simplify the solution of the problem of ensuring the ability to interact with ready-made software systems, the paper considers the creation of a set of interconnected modules as tool software. When developing a set of interconnected modules to ensure interaction between software systems at the physical level, it is proposed to use CALS technologies, at a logical level, a program for frequency data identification. The developed modules allow to reduce the time needed to create a single data warehouse using PDM technology and to ensure the interaction of software systems using standard CALS interfaces and a frequency data identification program.

关键词： interoperability application package STEP standard PDM technology CALS interfaces frequency data identification program EXPRESS language IDEF0 diagram software suite Interoperability Software systems Data warehousing

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Synthesis of Waveguide-Optical Analog-to-Digital Converter for Ultra-High Speed systems of Information processing

Synthesis of Waveguide-Optical Analog-to-Digital Converter f...

引用

systems of signals generating and processing in the field of on board communications

作者： S. V. Sokolov V. V. Kamenskiy S. O. Kramarov O. I. Sokolova North Caucasus branch of Moscow Technical University of Communications and Informatics Rostov-on-Don Russia Rostov State Transport University Rostov-on-Don Russia Surgut State University Surgut Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

The possibility of synthesis of ultra-high speed of waveguide-optical analog-to-digital converter (further - ADC) providing conversion of analog information into digital in gigahertz range is considered. The functional scheme of the waveguide-optical ADC containing technologically well-developed optical elements is given, the principle of operation is described in detail. The possibility of increasing the speed of the ADC to potentially possible for optical data processing schemes is shown.

关键词： waveguide-optical analog-to-digital converter optical bistable elements optical waveguides integrated optics Optical waveguides Integrated optics analog digital converter Information processing AC to DC converters synthesis Probability Automatic data processing Optical computing

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Optical Analog Nonlinear Compensation for Fiber Optic Link

Optical Analog Nonlinear Compensation for Fiber Optic Link

引用

systems of signals generating and processing in the field of on board communications

作者： V. A. Andreev V. A. Burdin A. V. Bourdine K. A. Volkov PSUTI Samara Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

In this paper, the method is proposed for compensating for distortion of signals transmitted in a fiber-optic link, based on the inclusion of an analog optical in-verse nonlinear phase filter. The proposed implementation of the restoring analog optical nonlinear phase filter. The simulation results are presented, which demonstrate the ability to compensate for nonlinear distortions and restore pulse signals in a fiber-optic transmission line using the proposed filter. It is shown that the quality of the restoration largely depends on the admissibility of the linear approximation for the exponential characteristic of the nonlinear filter.

关键词： Nonlinear Schrodinger equation Split-Step Fourier method Nonlinear phase filter Dispersion Nonlinearity nonlinearity fiber optic link Schrodinger equation phase filter Nonlinear filters compensated Linear approximation Simulation results optical signals

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Modeling for Environmental Pollution Parameters Monitoring System

Modeling for Environmental Pollution Parameters Monitoring S...

引用

2019 systems of signals generating and processing in the field of on board communications, SOSG 2019

作者： Smirnov, N.I. Melnik, S.V. Antonnikov, D.O. Moscow Technical University of Communications and Informatics Moscow Russia Department Federal State Unitary Enterprise Moscow Technical University of Communications and Informatics Moscow Russia

ISBN: (纸本)9781728106069

Modeling for Monitoring environmental parameters using a computer information measuring system are proposed. For this system it is very important to have imitation model. This model can shown all features of the future design *** of the impurity concentration in the aqueous medium by a direct method using ion-selective electrodes have been carried out. The verification of the correctness of the results was done by the method of additives, that is, by measuring the known concentration of the component against the background of an unknown part of it in the test solution. © 2019 IEEE.

关键词： Information systems

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Accelerated Evaluation of Spread Spectrum signals Synchronization Parameters

Accelerated Evaluation of Spread Spectrum Signals Synchroniz...

引用

systems of signals generating and processing in the field of on board communications

作者： S. F. Gorgadze T. M. Gut Moscow Technical University of Communications and Informatics Moscow Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

For satellite radio navigation systems, an accelerated digital algorithm for estimating the synchronization parameters of spread spectrum signals is considered: time delay, carrier frequency, and initial frequency phase. signals of both a traditional structure and signals on non-harmonic subcarriers - binary, which corresponds to BOC (binary offset carrier modulated) signals, and multi-position, i.e. MOC (multi position offset carrier modulated) signals are considered. The novelty of the developed approach is the use of an accelerated algorithm for calculating the cross section of the real part of the uncertainty function of a spread spectrum signal along the time axis, taking into account the structure of the used pseudorandom sequence using the generalized fast Fourier transform. It is shown that the accuracy of time synchronization is significantly increased in the case of MOC-signals, due to weaker fluctuations of the real part of their autocovariance functions in the region of the main peak, in comparison with the other types of signals considered.

关键词： spread spectrum signals BOC (binary offset carrier modulated)-signals MOC (multi position offset carrier modulated)- signals estimation of synchronization parameters uncertainty function autocovariance function autocovariance PSEUDORANDOM SEQUENCES Real Part spread spectrum signals Cross section signal spectrum SPREAD SPECTRUM modulated signal clock recovery Satellite navigation systems Novelty signals

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Digital processing of Noisy signals of Radio Engineering systems with the Selection of Linear and Harmonic Components

Digital Processing of Noisy Signals of Radio Engineering Sys...

引用

systems of signals generating and processing in the field of on board communications

作者： Yu. V. Vasilkov V. A. Sovetov A. Yu. Perlov V. V. Borodin Yaroslavl state technical University Yaroslavl Russia Yaroslavl Higher Military School of Air Defense Yaroslavl Russia Academician A. L. Minz Radiotechnical Institute Moscow Russia Moscow Aviation Institute (National Research University) Moscow Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

The work is devoted to the analysis of digital methods for extracting linear and periodic components in highly noisy signals of radio engineering systems. When analyzing random data, situations often arise when it is necessary to find out whether observations or estimates of signal parameters are statistically independent or whether they are subject to a trend - a monotonic or periodic change in the properties of systems or processes. This problem acquires special significance in the analysis of non-stationary data, in which it is necessary to reliably identify the presence of a trend or identify their parameters against the background of random changes (in single measurements).

关键词： random processes linear components periodic components smoothing spectral analysis digital filtering periodic component linear element Digital filters Stochastic Processes harmonic components smoothing Noise Spectrum Analysis Radio engineering Digital signal processing Periodic variations Linear signal parameter

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Sharing TETRA System Resources and Unmanned Aerial Vehicles

Sharing TETRA System Resources and Unmanned Aerial Vehicles

引用

systems of signals generating and processing in the field of on board communications

作者： I. V. Stepanova Mohammed Omar Ahmed Abdulvasea Moscow Technical University of Communications and Informatics Moscow Russia University Taiz Taiz Yemen

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

Professional radiotelephone communication in System 112 can be implemented using TETRA standards equipment. We use the methods of teletraffic theory to describe the functioning of standard equipment TETRA. The system allows you to serve calls with failures or with waiting, as well as in half-duplex and duplex modes. The resource of radio channels is limited. Denial of service may occur in the aftermath of an emergency. Consider the use of unmanned aerial vehicles (UAVs) in the TETRA network as a means of reducing denial of service in emergencies. The grouping of unmanned systems with repeaters on board will allow you to organize a self-organizing network, to ensure its reliable automatic operation in the event of the failure of some nodes.

关键词： Emergencies Professional radiotelephone communication (TETRA) UAV radio Introduction Emergencies Unmanned Aerial Vehicle vehicle Denial of service drone honey bees unmanned systems system resources wireless channels Repeater Device Component half-duplex transmission calls

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Application of Neural Network Model Design for Monitoring Wireless Communication Networks

Application of Neural Network Model Design for Monitoring Wi...

引用

systems of signals generating and processing in the field of on board communications

作者： I. O. Yuskov E. P. Stroganova Moscow Technical University of Communication and Informatics Moscow Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

One of the most important options for using neural networks in the future will be represented by machine-to-machine communication in the field of wireless communication networks, which will meet the necessary diverse range of requirements that arise when creating and operating networks of this type. Subsequently, the communications network will create a domain for a dedicated slice of the existing physical network. The network slice concept is a logical segment of a working physical network that guarantees a set of necessary States for Quality of Service (QoS). It is also worth noting that they are presented for end-to-end communication with the network core. It is also considered as the development of a neural network model for monitoring the system for telecommunications corporate networks. The applied analysis system is carried out.

关键词： telecommunication network monitoring neural networks modelling quality of service Wireless networks Telecommunication Networks Quality of service Neural network Neural Networks (Computer) Modeling end-to-end networks(communications) physical network Analysis systems Telecommunications

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Analysis of Data Risk Management Methods for Personal Data Information systems

Analysis of Data Risk Management Methods for Personal Data I...

引用

systems of signals generating and processing in the field of on board communications

作者： V. A. Dokuchaev V. V. Maklachkova D. V. Makarova L. V. Volkova Moscow Technical University of Communications and Informatics Moscow Russia

ISBN: (数字)9781728147727

ISBN: (纸本)9781728147734

This article describes the problem of assessing the information quality risk tolerance using semantic models for high-loaded information and communication systems for personal data protection. The article is devoted to current topics - information risk, which plays an important role in all areas of human activity. The most popular risk management methods are considered, their features, characteristics and comparison among themselves are given. Attention is paid to some problems of risk management, such as risk assessment and the construction of a threat assessment model.

关键词： risk assessment personal data information system semantic models linear programming information quality personal data Risk Management Computer based information systems Risk Assessment linear programming Management Methods Human Activities

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A Noise Immunity Estimation of the Gold Sequence Ensembles Fast Delay Acquisition Devices

A Noise Immunity Estimation of the Gold Sequence Ensembles F...

引用

systems of signals generating and processing in the field of on board communications Conference

作者： Mikhaylov, V. Y. Mazepa, R. B. Natl Res Univ Moscow Aviat Inst Moscow Russia

ISBN: (纸本)9781728106069

Object of consideration - asynchronous-address systems, using code division of channels. A subject of the analysis - the quasi-orthogonal signals ensembles based on the Gold sequences providing reliable division of channels at influence of imitation interference, signal-like noises and devices of their processing. The purpose of the analysis is to optimize the structure of the Gold sequences ensemble and to estimate the noise immunity characteristics of the delay acquisition devices. The solution is based on the principles and mathematical models developed by authors: the principle of the fast conversions in Galois fields, algebraic model of representation and structure of fast delay acquisition devices for a subclass of the sequences based on the Gold sequences. This article is devoted to create of models to mapping the original Gold sequences in the aggregate of short M-sequences, searching for conditions for their joint adaptive processing, as well as evaluating the characteristics of the decision making reliability. Key features of the described method of processing are implementation of correlation reception of set of synchronized short sequences samples having identical structure with accumulation of symbols from multiple copies of short sequences received from initial Gold sequence. It is shown that the proposed mapping models, together with offered delay acquisition devices, provide a high level of device adaptation to changes in the signal structure over a wide range. The offered versions of the scheme of delay acquisition carry out reception and preprocessing of code sequences in real time that favorably distinguishes them from the known schemes, which are carrying out fast conversions by other methods. Presented results will be useful to the specialists who are engaged in design of the asynchronous-address systems using aggregate signals with large base and changeable structure for ensuring protection against influence of signal-like noises.

关键词： asynchronous-address systems structural redundancy delay acquisition quasiorthogonal signals ensembles Gold sequences Galois fields fast conversions

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