TECHNICAL UNIVERSITY - SOFIA: Последно депозирани

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    Заглавие: Structure of protocol entities in OSI architecture  Автор: Tashev, Tasho D.; Hristov, Hristo R. Дата: 1994 Резюме: The concept of Open Systems Interconnection (OSI) is accepted as the basis for the development and realization of the systems for the communication exchange [1). This paper presents one structural decomposition of protocol entities in OSI architecture. For this aim is provided the formalization of the basic terms of (he Reference Model (RM) ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Simulation modeling and investigation of the parallel processes communications in a multi-transputer system  Автор: Egorov, Aleksei; Romansky, Radi Дата: 1994 Резюме: This paper presents the results of simulation modeling organization and system parameters investigation of a multitransputer system that is managed by a message-passing operation system. The basic unit ot distributed system - processing nodes (transputer), is modeled by detailed queueing model. A SIMAN simulation model of parallel processes ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: System models based on graph grammars  Автор: Benes, Miroslav; Hruska, Tomis Дата: 1994 Резюме: The paper dealt with graph rewriting systems a* a tool for specification and evaluation of models. Graph model of a system can be decorated with attributes, values of which can be examined in application conditions and actions connected with rules. The expressiveness together with readability of such a system specification is very high. The ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Simulation techniques and tools for stochastic discrete systems  Автор: Rabova, Zdena; Janoi, Jaroslav Дата: 1994 Резюме: The set of suitable basic abstractions (building blocks), that can be used for effective object-oriented description of stochastic discrete simulation models, has been developed. The models can be described using processes, events, queues, and facilities. Several random number generators and procedures for statistical data collecting from ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Some decision trees* applications  Автор: Patev, Lubomir Дата: 1994 Резюме: The decision trees are known as a powerful tool for modelling the decision environment. They are known mostly from some managerial applications. Many practical decision problems are sequential decision problems, so there have been numerous successful applications of decision trees for large projects. Using the decision models for solving ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Free vibrations of torsional systems for engines  Автор: Pavlov, Stefan B. Дата: 1994 Резюме: In this development it is been made an analysis of free torsional vibrations of internal combustion engines.The author proposes an analytical method convenient for automation of calculations with the help of a computer instead of graphical methods,existing in the literature. This method permits easy and rapid modal analysis of engines. All ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Asynchronous approach to flash analogue to digital converter design  Автор: Popov, Angel; Manova, Darinka Дата: 1994 Резюме: A new class of flash analogue to digital converter is discussed. The architecture of the converter is asynchronous and is based on the use of comparators working without a clock signal. Three examples of comparator circuit design techniques are presented and compared together Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Video analogue to digital converter testing  Автор: Andreadis, I.; Tsalides, Ph. Дата: 1994 Резюме: Signal processing at video rates is a demanding task. A technique for dynamic testing of video analogue to digital converters (ADCs) is presented in this paper. The technique is based on the histogram computation when a sinewave is used as the input to the ADC. This test ensures the existence or non existence of missing codes and differential ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: A system for collecting and processing of information from stationary and mobile measuring device  Автор: Dimitrova, Nina Дата: 1994 Резюме: The system provides automatic collection, storage and data processing for the purposes of subsequent evaluation of after-effects resulted from industrial accidents and other emergency situations with discharges of high toxic, poisonous and harmful substances This evaluation is based on concrete data, received from stationary and mobile ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Adaptive observation of an electromechanical system  Автор: Sotirov, L.N.; Loutskanov, K.D.; Tchanev, D.G. Дата: 1994 Резюме: An original algorithm for adaptive observation (a combined identification of t e parameters and estimation of the initial and current state) of an.electromechanical system - impulse amplifier of power - DC motor The adaptive observation is made upon available information about the current speed and DC motor power supply changes. The results ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: A system for tactile information processing  Автор: Todorova, Velimira D.; Christov, Stephan M. Дата: 1994 Резюме: A system for information processing from a tactile array sensor on the basis a non-resonance piezoelectric transformer (NRPT) with a running bulk acoustic wave и presented in this paper. The information records as a delay time between the running wave front at each moment and the exciting pulse. The input-output parameters of the tactile ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Analog interfaces for temperature sensors with application in intelligent measuring systems  Автор: Shkevov, Rumen; Ivanov, Yanko; Chapkunov, Stefan Дата: 1994 Резюме: In this paper the analogue interfaces for platinum resistance temperature sensors, operating as a part of an intelligent measuring system are examined The interfaces are developed with a possibility for application to extremely heavy environmental conditions An analysis is made of the measuring block as a result of the critical increase of ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Computer system for hot particles parameters investigation  Автор: Andreev, Pavel G.; Ivanov, Nikolay I. Дата: 1994 Резюме: After the Chernobil incident, the questions related to the parameters and characteristic of hot particles(HP), becomes a great actuality. The main tools for its investigation are autoradiographic methods. During the process of registration over the photo sensitive material, the hot particles puts a pads over them. The form and size of this ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Microwave meter of distance with synchronized ADC - errors and problems  Автор: Tashev, Ivan; Mitev, Mitio Дата: 1994 Резюме: The experimental hardware and software are used only to develop the method for processing of this signal. A real working system was used for the experiments. The final tests show, that this method for signal processing works better than the device described in the beginning of this article. Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Two channel 16 inputs A/D controller DMA for IBM PC/AT  Автор: Tyanev, Dimitar S.; Dobrev, Plamen D. Дата: 1994 Резюме: This paper presents hardware and software realization of analog-to-digital controller (DC) for IBM compatible AT/PC ; exchanging data via 16-bits channels, by direct memory access. ADC converts two input signals parallel in time. Two additional pulse inputs of the controller mark the current reports in the two channels. This makes the system ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Dell developed technology increases performance, reliability, serviceability and upgradeability for network server platforms  Автор: Sazdov, Simeon Дата: 1994 Резюме: The 4000/XE Dell Server Series is a premier corporate server platform for the enterprise and builds on the strengths of Dell's award-winning SE server family to provide increased functionality at a lower overall cost to the user. The series is a new family of upgradeable, 486-based systems designed to provide industry-leading price/performance ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: A multi-transputer system organization and parallel processes communications modeling  Автор: Egorov, Alaxej; Romansky, Radi Дата: 1994 Резюме: The performance of a parallel multi-transputer system is determined by the effectiveness of processes communications between the different application program tasks at distinct processing nodes. The processing node structure and a multi-transputer system organization are described in this paper. Queueing models of parallel processes ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: An analysis of some parameters of functional elements for floating-point operations  Автор: Manoilov, Peter Дата: 1994 Резюме: Computer-aided design, digital signal processing, computer graphics and animation, research work and other areas of computer application require a great number of speedy calculations with arrays of floating-point data. Specialized VLSI integrated circuits for floating-point data operations used by the specialized computer processors are ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Efficient protocol computations  Автор: Yanev, Sasho Дата: 1994 Резюме: The high-speed networks propose completely different communication throughput, error rates and so on in comparison with the traditional ones. Now the bottleneck is moved from the physical transmission media to the unavoidable protocol processing. Furthermore new applications have appeared. They have bigger requirements concerning efficiency ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA
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    Заглавие: Approach for building an integrated information system  Автор: Simonsky, Krassimir Дата: 1994 Резюме: The aim of this paper is to discuss some of the key principles in building an integrated information system as well as to present a practical approach for solving problems when such a system is being developed. Each information system is unique because it consists of many elements and serves huge variety of purposes but there are some common ... Библиотека:
    TECHNICAL UNIVERSITY - SOFIA

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