Browsing 2005 by Title

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  • New control techniques for hybrid regulator 
    BĂBĂIŢĂ, Mircea; PAPAZIAN, Petru; POPOVICI, Adrian; AVRAM, Adrian; TĂNASE, Mihail (Technical University of Moldova, 2005)
    The goal of this work is to study the performances of a hybrid controller used to control DC Motor drives. This study is made using computer simulation (MATLAB). In the first part, the basic notions of conventional and ...
  • The new form of reception education by distance learning trainees of the XXI century 
    HANBECOV, Nataly (Technical University of Moldova, 2005)
    In the report results of scientific researches and practical development which have been carried out in the "Multimedia" laboratory of the Center of Information Technologies at the State University of Moldova are submitted ...
  • A new high stability sine oscillator with simulated inductance 
    CIUGUDEAN, M.; FILIP, A.; AVRAM, A.; PANTIŞ, M. (Technical University of Moldova, 2005)
    A new sine LC oscillator is developed, with simulated inductance using two operational amplifiers. Thus, the oscillator becomes a RC one. The resulting parallel resonant LC circuit may provide a high quality factor, which ...
  • A new method of analysis and synthesis of asynchronous sequential circuits 
    TIMIŞ, Mihai (Technical University of Moldova, 2005)
    In present paper, I propose a new method for analysis and synthesis of an asynchronous sequential system. The main idea consist on building a CK drive in signal, using the transition system function graph. It contains a ...
  • Nitrogen localized states in presence of bi-dimensional electron gas in heavily doped GaAs1-xNx 
    HAMDOUNI, A.; BOUSBIH, F.; BOUZID, S. Ben; CHTOUROU, R.; HARMAND, J. C. (Technical University of Moldova, 2005)
    We report a low-temperature photoluminescence spectra (LTPL) of GaAs1-xNx layers and 2 dimension electron gas (2DEG) GaAs1-xNx/AlGaAs modulation doped heterostructure grown on GaAs substrates by molecular beam epitaxy (MBE) ...
  • Noise measuring in TV channel 
    NICOLAE, George (Technical University of Moldova, 2005)
    This paper presents the experimentally results of noise measuring at TV receiver entrance. The experimentally measurements were concentrated onto determining the characteristics of the noise in UHF frequency band TV channels. ...
  • Non-preemptive scheduling for critical and hard real-time applications on embedded platforms 
    MICEA, Mihai V. (Technical University of Moldova, 2005)
    The problem of providing high predictability when scheduling critical and hard realtime applications on embedded and DSP-based platforms is studied in this paper. A model of hard real-time tasks, the ModX (executable ...
  • Objects of high orders in restoration of images 
    МАRDARE, Igor (Technical University of Moldova, 2005)
    This paper deals with the process of transformation of groups of defective objects in order to restore their true images. The processors created on basis of objects of higher order in comparison to restored ones, appear ...
  • On the errors in telemetering of the movement features with Doppler radiotelemetry system 
    POPA, Dan; TOMA, Corneliu; TĂNASE, Mihail (Technical University of Moldova, 2005)
    This paper is a result of the work done by the authors in the field of movement evaluation at low speed in the atmosphere and low costs of the movement execution. Theoretical and constructive solutions offered by telemetering ...
  • Oportunity problems of information technologies implementation in primary medicine 
    STADLER, Lucia; FIODOROV, Tatiana (Technical University of Moldova, 2005)
    The implementation of information technologies and modern electronic techniques in administrative process from Health System needs significant expenditures. Because of this, a particular attention is paid to efficiency, ...
  • Optical bistability in transmission of thin semiconductor film without external feedback 
    KHADZHI, Pyotr; MARKOV, Dmitriy; COROVAI, Alexandru (Technical University of Moldova, 2005)
    The optical bistability phenomenon in the steady-state light transmission by a thin semiconductor film is studied taking into account two-pulse two-photon excitation of biexcitons from the ground state of the crystal. It ...
  • Optimizing the cost to quality ratio in ultrasonic imaging 
    LIE, Ioan; TĂNASE, Mihail Eugen (Technical University of Moldova, 2005)
    The paper deals with a part of the grant and phd research of the authors in obtaining quality ultrasonic images with a simple electronic equipment. Having in mind the fact that the image resolution increases with the number ...
  • Oscillation of the superconducting critical temperature in superconductor/ferromagnet bilayers 
    ZDRAVKOV, V.; SIDORENKO, A.; RYAZANOV, V.; OBOZNOV, V.; HORN, S.; WIXFORTH, A.; TIDECKS, R. (Technical University of Moldova, 2005)
    Present work reports the results of proximity effect investigation for superconducting Nb-Cu/Ni bilayers with the thickness of the ferromagnetic layer (CuxNi1-x) being in sub-nanometer scale. It was found a non-monotonic ...
  • Parallel Web search: modern application architectures 
    MOCANU, Mihai; DOROBANŢU, Mihai; POPA, Mihai (Technical University of Moldova, 2005)
    In virtual information world, containing billions or more Web pages, search engines is still the main mechanism for accessing information. Although today the main utility of the Internet is for interactive access to documents ...
  • Parameter transmission protocol for grid image processing 
    PESCARU, Dan; TOMA, Corneliu; CHIRILA, Ciprian; GUI, Vasile; TUNDREA, Emanuel (Technical University of Moldova, 2005)
    This paper describes a protocol for parameters transmission used in a framework for parallel mplementation of a large class of image processing algorithms. The purpose of the framework is to develop these algorithms with ...
  • Parrot virtual machine as a pedagogic tool 
    APERGHIS-TRAMONI, C.; GUIZOL, J. (Technical University of Moldova, 2005)
    Such a machine is perfectly adapted to machine language learning, it makes possible to concentrate all of the teaching on the assembly characteristics disregarding all that connects it to the reality of an existing machine. ...
  • Peculairities of impurity influience in weakly degenerated systems 
    BODIUL, Pavel; PEEV, Leonid (Technical University of Moldova, 2005)
    It is experimentally found that small additions to bismuth of elements of the IV and VI groups lead to such change in concentration of free charge carriers that it is less than one electron per atom and considerably depends ...
  • The philosophic concept of possible consequences of nanotechnologies practice 
    SKILEOV, Vladimir (Technical University of Moldova, 2005)
    Is the nanotechnology good or evil? The answer is clear. It is as good as well it is evil. Its au only to us how it will be this nanotechnology. We have already talked about the «cornucopia». This is rather good. However ...
  • Philosophical approaches to determination the content of information society 
    FOTENCO, Vladimir (Technical University of Moldova, 2011)
    The necessity of this report, first of all, is based on a simplified vision of information society, widespread in scientific community. It does not base on the levels of information society and its model. The majority of ...
  • The photoelectrical properties of bilateral photoelectrochemical cell with nGaAs photo-electrode 
    TSIULYANU, I.; SIMASHKEVICH, A.; COJOCARU, A.; MACHIUGA, A. (Technical University of Moldova, 2005)
    The conversion of solar energy in electrical one is realized by solar cells as a result of absorption of solar energy and the separation of the photoexcited carriers by potential barriers in different solid state structures ...

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