TECHNICAL UNIVERSITY - SOFIA: Recent submissions

  • Blocked
    Title: Round-table discussion. CAD in electronics  Author: Hristov, Marin Date: 1995 Abstract: Electronics education is unthinkable without the active usage of computer aided design. This is subject to extremely large scale of integration of the up-to- date electronic devices where several thousand up to several million elements are integrated on a single chip Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Consulting system for hematological laboratory  Author: Trifonov, Roumen Ivanov; Popov, Georgi llinchev Date: 1994 Abstract: The growing interest of expert system is connected with searching a practical approaches to different domain applications such a medicine, control, techniques and etc. This paper present one approach to design and development a Consulting System for Hematological Laboratory. The system provides previous diagnoses of patient statement to go ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Approaches for solving the problem for complex electronic systems diagnostics in intelligent training systems  Author: Mollova, Stoyanka Koleva; Ivanov, Felix Zahariev Date: 1994 Abstract: On the base of analysis of expert reasoning for complex electronic systems diagnostics, two approaches to formalize diagnostic knowledge in imitation module of intelligent training system have been proposed. The advantages of the proposed hybrid model-based reasoning incorporated into the diagnostic system are described. One of the approaches, ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Thumbnail
    Title: Един подход за обработка на мненията на експертите при построяване на база знания за експертна система  Author: Ганев, Стоян Хр. Date: 1994 Abstract: This report is relevant to creation expert systems and their application in computer assisted learning. It suggests a method for manipulate sport's opinions as fuzzy sets. The opinion of every expert has a confidence coefficient, which is composited by his practice teaching, publications, scientific research and fuzzy degree. The methods ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Hypermedia design and development strategies in higher education:a prototype of instructional hypermedia program on "Algorithms"  Author: Pavlova, Raina; Todorova, Virginia Date: 1994 Abstract: This paper reports on the efforts underlet for improving the quality of learning by using new schnologies, as hypermedia and hypertext, instead of conventional teaching accompanied by static video illustration. The aim of this study is to explain the process of adapting the scenario of a video film according to the needs of hypermedia. The ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Modern teaching laboratory for electrical drives  Author: Mircevski, Slobodan A. Date: 1994 Abstract: Electric drives are multidisciplinary field where electric machinery, different types of driven units, mechanical transmission, automatic control, power electronics and microcomputer control meet themselves. The great practical meaning because of large, multibranch industry applications, only increase the importance of studying electric ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Exact line adaptation of exact software products for Bulgarian market  Author: Gurkova, Emilia Date: 1994 Abstract: The analysis of the concept for adaptation of Exact Software products for Bulgarian Market was drafted with COMFAR Computer Model for Industrial Feasibility Analysis and Reporting System in the "PROGRESS" Center Ltd. The purpose of the analysis was the expected income, probable capital expenses and running costs of the development to be ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: A cryptographic handshaking in database: algorithm for a distributed system  Author: Arnaudov, Dino; Noninska, Irina Date: 1994 Abstract: The paper presents a cryptographic algorithm, designed for handshaking before message sending in a distributed database system (DDBS). Using this algorithm it is possible to authenticate both - sender and receiver of a message. The algorithm designed does not depend on main cryptographic algorithm, used for enciphering and deciphering in the secret system Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: The use of knowledge-based configuration system technology for PCs  Author: Patias, Yannis; Momchev, Ivan Date: 1994 Abstract: Knowledge-based systems in system development life cycle. There are three major ways of building computer-based information systems. They are transaction processing systems (TPS), decision support systems (DSS), and knowledge-based systems (KBS) [1]. TPSs perform routine data processing, are designed around forms, procedure inputs,, and ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: PCNET: an expert system for configuring PC-based LANs  Author: Patias, Yannis; Momchev, Ivan Date: 1994 Abstract: There are two basic directions in the computer systems application area of using expert systems (ESs)[lJ. The first direction is providing troubleshooting and diagnostic reports tor hardware and software faults. The second is performing the computer system configuration task.. The configuration process typically involves the selection of ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Propagation of real fluid in tubes. Flow induced vibrations models of Chen a Paidoussis  Author: Yoshinov, R. Date: 1994 Abstract: Investigation of flow induced vibrations caused by fluid propagation in tubes dates from 1958. This relies on the fact that lateral amplitudes of deflection caused by this propagation are small (1/1000 - 1/10 sm.). They should be ignored if there were not many cases in practice where even these small amplitudes of oscillation are dangerous. ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Statistical macro modeling of linear integrated circuits in IESD  Author: Marinova, Galia Date: 1994 Abstract: The paper presents a method and an algorithm for statistical macro modeling of linear integrated circuits in the standard of the statistical simulator in electronics - IESD (1). The method is based on a simplified electrical circuit of the linear integrated circuit, functional decomposition, statistical modeling of the typical temiconductor ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Sensitivity analysis of recursive spiral-like digital filters  Author: Petrova, Petrana Angelova Date: 1994 Abstract: In this paper the main elements of sensitivity analysis of recursive filters with spiral-like structure are discussed. An effective method for state space structure description is suggested. This method allows the automation of state matrix element determination. The sensitivity measures characterizing the filter structure are defined. A ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Minimum word length determination of two-dimensional digital filters  Author: Petrova, Petrana Angelova Date: 1994 Abstract: In this paper an approach for minimum word length determination guaranteeing the stability of a specified two-dimensional digital filter (TDF) is suggested. For this purpose a state-space filter description is used. The stability condition of the TDF is brought to two single-dimension stability conditions. The lower bound of the machine ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Thermodynamic properties of real working mediums for conventional artillery weapons  Author: Danov, Stanislav; Vassilev, Daniel Date: 1994 Abstract: The thermodynamic behavior of gases from the gunpowder-burning is described by the Redlich-Kwong’s equation of state, valid for real gases under high pressure and temperature. Mathematical dependencies between thermal parameters (P, T, v) and caloric parameters (u, i, cp, cv) have been obtained. That enables us to create a mathematical model ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Correlation diagrams for prognosis and optimization of semiconducting ore minerals flotation  Author: Baev, Ivan Alexandrov; Panayotov, Vladko Todorov Date: 1994 Abstract: The flotation ability of semiconducting ore minerals depends essentially on the mineral surface state end properties. It was shown in [1] that the preliminary treatment of the semiconducting minerals galena, chalcopyrite and sphalerite in gas medium (ozone) leads to a significant improvement of the flotation yield. On the other hand, the ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: A convex censor product surface construction in Cad-Cam systems  Author: Dicheva, Natasha Kirilova Date: 1994 Abstract: Shape-control for geometrical objects, represented by curves and surfaces, received much attention in CAD-CAM applications in recent years.In 1984 Ferguson and Jones (1] stated the problem for convex spline curve construction as a constrained optimization problem. In [2] the problem of surface shape control is treated as a parametric network ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Adaptive observation of the volumetric mixture formation in ship's diesel engines  Author: Sotirov, Ljubomir N.; Georgiev, Vassil D. Date: 1994 Abstract: A system for adaptive observation, that is, for the identification of the unknown parameters of the volumetric mixture formation in ship’s diesel engines, with parallel estimation of the initial and current states, has been developed. It can be used the optimal design of the working procces of ship's diesel engines (SDE), and for fuller ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Adaptive observation of ship models  Author: Sotlrov, Ljubomlr N.; Stanev, Stancho I.; Vasilev, Petar I. Date: 1994 Abstract: Tests of the type "ZIG-ZAG", with remote controlled independent model have been organized to determine the dynamically characteristics of ship models. With the use of original algorithms for estimation of order, parameters and initial and current states discrete models that can be used in modeling and projecting systems for adaptive control ... Library:
    TECHNICAL UNIVERSITY - SOFIA
  • Blocked
    Title: Specific features of enterprise network design  Author: Asenov, Oleg D. Date: 1994 Abstract: The Enterprise networks are specific networks. They unite basic elements of network technology in original network decisions. The specific features of enterprise network design are connected with the application of inordinary approaches concerning the search for optimum decisions for network architecture. One of these approaches is the ... Library:
    TECHNICAL UNIVERSITY - SOFIA

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