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检索条件"任意字段=2018 Systems of Signals Generating and Processing in the Field of on Board Communications"

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Management of the Processes of it Bachelors' Training in Technical Universities

Management of the Processes of it Bachelors' Training in Tec...

引用

2023 systems of signals generating and processing in the field of on board communications, SOSG 2023

作者： Yablochnikov, S.L. Yablochnikova, I.O. Dzobelova, V.B. Dobrovinskaya, A.V. Bekoeva, A.A. Moscow Technical University of Communications and Informatics Moscow Russia North Ossetian State University Named after Kosta Levanovich Khetagurov Moscow Russia Kutafin Moscow State Law University Moscow Russia

ISBN: (纸本)9798350397727

The ability of society to synthesize modern knowledge and successfully apply it in practice in all areas of activity assumes special importance under modern difficult conditions. This relevant knowledge is a kind of driver for the formation of the scientific and technical potential of the state, as well as ensuring the quality of the population's life, safety, and well-being of society as a whole. The leading role in the implementation of such processes now belongs to higher education. The effectiveness of the implementation of a hierarchical set of educational processes determines the quality of absolutely all processes in society. Modern information and communication technologies (ICT) make it possible to create unique conditions and opportunities for the synthesis of innovative knowledge. However, the achievement of the relevant goals (organizational, technological, economic, financial, social, political, etc.) is determined not only by the available conditions (favourable and not favorable) for the implementation of a particular activity but primarily by the effectiveness of their management. Managing the objects, phenomena and processes in the education sector, based on the ideas of both systemic and cybernetic approaches, involves the formalization of a set of goals that must be achieved as the final result, and the processes for implementing a targeted impact (influence) on management objects, as well as criteria for evaluating the effectiveness of the implementation of this activity. In fact, a hierarchical set of models of educational processes and systems should be synthesized, the key moment for the creation of which is the hypothesis of some correlation between the parameters of the control actions of the management entity and the gradient of the parameters' state of the educational system itself, as an object of management. The purpose of this article is to develop and substantiate a methodology for the implementation of the synthesis of a certain categ

关键词： Hierarchical systems

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The Energy Spectrum of the Noise Modulation Function under the Influence of Slow Multiplicative Noise

The Energy Spectrum of the Noise Modulation Function under t...

引用

2023 systems of signals generating and processing in the field of on board communications, SOSG 2023

作者： Artyushenko, V.M. Volovach, V.I. Technological University Information Technology and Management Systems Department Korolev City Russia Volga Region State University of Service Informational and Electronic Service Department Togliatty City Russia

ISBN: (纸本)9798350397727

The effect of slow multiplicative noise on the energy spectrum of the noise modulation function is analyzed. Two cases of determining the energy spectrum are considered: with signal distortions described by a narrow-band normal stationary random process, and under the influence of pulse-fluctuation noise. The corresponding mathematical expressions of the energy spectra are obtained, including the case of deep phase distortions. It is shown that when narrow-band multiplicative noise affects the signal, a discrete component is present in the energy spectrum of the noise modulation function. Wherein the depth of the phase distortions will determine the power of said discrete component. The distribution pattern of the continuous part of the energy spectrum of phase distortion is determined by the ratio of the width of the named spectrum to its average frequency. With pulse-fluctuation modulating noise with a deterministic clock interval, the energy spectrum of the noise modulation function is the sum of continuous and discrete parts. Expressions are obtained for determining the discrete and continuous parts of the energy spectrum of the noise modulation function under the influence of modulation noise. The conditions under which the spectrum consists only of discrete components are given. © 2023 IEEE.

关键词： Random processes

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Methods to Improve the Accuracy of State Estimation in Nonlinear Kalman Filter in Case of a Priori Uncertainty

Methods to Improve the Accuracy of State Estimation in Nonli...

引用

2024 systems of signals generating and processing in the field of on board communications, SOSG 2024

作者： Glushankov, Evgeniy Boyko, Igor Kirik, Dmitriy Korovin, Konstantin Shchedrin, Aleksandr Department of Radio Systems and Signal Processing The Bonch-Bruevich St. Petersburg State University of Telecommunications St. Petersburg Russia

ISBN: (纸本)9798350383614

The paper is devoted to the problem of estimating the state of a complex system with nonlinear dynamic behavior using nonlinear filtering. Modern numerical methods of nonlinear filtering for estimating the unknown state vector of a stochastic differential system of Itô type with discrete measurements are studied. The relevance of the work is due to the necessity to improve the accuracy of state vector estimation in dynamic systems under conditions of a priori uncertainty of information about the system functions and measurement. In this paper, a nonlinear system with formant Wiener noise is considered. As the chosen method of nonlinear filtering the sigma-point Kalman filter is used, which has sufficient accuracy of state vector estimation at low computational complexity. The paper discusses ways to improve the accuracy of nonlinear system vector estimation using sigma-point Kalman filter. Mathematical description of the sigma-point Kalman filter operation is given, and the methods of improving the quality of operation under conditions of a priori unknown functions of the system and measurement by estimating the values of covariance matrices of random processes are proposed. The paper presents the results of modeling of the sigma-point Kalman filter for both linear and nonlinear measurement functions. The obtained values of RMS error under conditions of a priori uncertainty of system and measurement functions under approximation of covariance matrices have the same order as in the case of a priori known functions. The paper presents the results of nonlinear filtering simulation at different values of the sampling period. In conclusion, recommendations for the choice of parameters of the sigma-point Kalman filter when working under conditions of a priori uncertainty of system and measurement functions are given. ©2024 IEEE.

关键词： Nonlinear systems

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Development of a Phase Space Model of the Transportation Process in Urban Transportation systems, and its Use to Assess the Quality of the Process of Transporting Passengers

Development of a Phase Space Model of the Transportation Pro...

引用

2021 systems of signals generating and processing in the field of on board communications, SOSG 2021

作者： Bogumil, V.N. Duque-Sarango, Maria Moscow Russia

ISBN: (纸本)9780738130897

The article deals with the estimation of passenger's transportation process amount and level of service. The relevance of this topic is determined by the fact that urban passenger transport plays an important role for the population of cities in Russia and in the world. The administrations of large cities and mega polices consider this type of transport as the main tool for improving the difficult transport situation daily appearing in the sections of the road network. These problems can be solved successfully if the population begins to use urban passenger transport more and use personal vehicles less. To achieve this goal, it is necessary to significantly improve the quality of service provided by urban passenger transport, based on the use of automated control systems for urban passenger transport, which, first, should ensure the regularity of the movement of public transport vehicles and, secondly, provide comfortable conditions for passenger transportation. A particular influence on the quality of passenger service in urban passenger transport is the reliability of the transportation process, which is directly related to the regularity of traffic, and the comfort of transportation, which is estimated by the degree of vehicle interior occupation. The passenger transport management system should receive information about the degree of passenger vehicle interior occupation in order to be able to regulate the transportation process on-line and not allow the passenger compartment to be overflowed. For this purpose, a special phase space model of the transportation process states is suggested. Two dimensions coordinate system enables to represent transportation process at any time for any route of public transport. Moreover, the phase space is divided into subspaces each of them corresponds to a certain level of service. The developed methodology allows you to estimate the amount of transport work, taking into account the level of service provided on each part of the

关键词： Vehicles

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On board communications: systems of signals processing and Radiofrequency Applications

On Board Communications: Systems of Signals Processing and R...

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

作者： S. S. Dymkova Oleg V. Varlamov Institute of Radio and Information Systems (IRIS) Vienna Austria Moscow Technical University of Communications and Informatics Moscow Russia Institute of Radio and Information Systems Vienna Austria

The article discusses the main topics and results of the scientific conference “systems of signals generating and processing in the field of on board communications”, in which leading industry experts annually exchange experience in the areas of: antennas and radio waves propagation, navigation and mathematical algorithms of an object Space orientation, radiofrequency applications, wire and optical communication and control systems, intelligent transport systems and digital signal processing in on-board radio systems.

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Multi-Station Access Based on signals with Non-Harmonic Subcarriers

Multi-Station Access Based on Signals with Non-Harmonic Subc...

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

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

The following topics are dealt with: road traffic; transportation; optimisation; road vehicles; probability; traffic engineering computing; telecommunication traffic; road safety; fibre optic sensors; and radio receiv... 详细信息

关键词： Location awareness Correlation Constellation diagram Frequency modulation Frequency-domain analysis Communication channels Bandwidth

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On the Parameters of Algebraic Geometric Codes Designed to Construct a Post-Quantum Algorithm for Ensuring Information Security of On-board systems

On the Parameters of Algebraic Geometric Codes Designed to C...

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

作者： K. N. Pankov M. M. Glukhov Moscow Technical University of Communications and Informatics Moscow Russia

This article clarifies the parameters of a quantum-resistant algorithm based on AG codes. This algorithm was proposed in previous works by the authors to counter the quantum threat when designing various on-board systems. The article describes the procedure for quickly decoding the corresponding codes, estimates the key length and the probability of applying one of the existing attacks to such algorithms. This work can be useful for increasing the security of arbitrary Internet of Things systems. .

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Using Probabilistic Methods in the Analysis of Information Security of Distributed Ledger systems

Using Probabilistic Methods in the Analysis of Information S...

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

作者： K. N. Pankov E. A. Saksonov Moscow Technical University of Communications and Informatics Moscow Russia

In this paper, using probabilistic methods of the queuing theory for blockchain-based distributed ledger systems mathematical models are constructed that allow calculating a number of characteristics of these systems. The obtained mathematical models are intended for private blockchains and can be used to analyze and optimize the operation of distributed ledger systems in order to ensure their information security.

关键词： Adaptation models Analytical models Schedules Distributed ledger Biological system modeling Blockchain Writing

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Comparative Analysis of Subscriber Devices of Space Monitoring systems

Comparative Analysis of Subscriber Devices of Space Monitori...

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

作者： V. V. Ionov A. V. Pestryakov Moscow Technical University of Communications and Informatics Moscow Russia

ISBN: (纸本)9781665415484;9781665446983

This article is devoted to the comparison of user devices from different manufacturers by their main characteristics. The devices of systems for various purposes are considered: meteorological, oceanographic, emergency rescue and fishing systems. To complete the picture, in addition to the currently operating systems without restrictions, the parameters of the system functional, which is currently limited - Argos, are given.

关键词： Temperature sensors Temperature measurement Performance evaluation Power demand Operating systems Modulation Task analysis

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Transforming the Structure of Spectrally Effective Radio signals for Amplification in Nonlinear Power Amplifiers

Transforming the Structure of Spectrally Effective Radio Sig...

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

作者： S.S. Pechnikov S.A. Sherstukov Voronezh Institute of the Russian Ministry of the Interior Voronezh Russia

The article discusses signals with amplitude-phase modulation used in special-purpose communication networks. A description of the transformation of the structure of spectrally effective radio signals for amplification in nonlinear power amplifiers is given and the element base for its implementation is considered. Simulation of the application of the transformation of the signal structure in the baseband for nonlinear amplification of spectrally effective narrowband radio signals is carried out.

关键词： Frequency modulation Constellation diagram Baseband Power amplifiers Communication networks Standards Power generation

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