Browsing 2009 by Issue Date

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  • Thermoelectric Properties of Bi microwires at Low Temperatures 
    KONOPKO, Leonid (Technical University of Moldova, 2009)
    The thermopower of single crystalline Bi microwires with diameters ranging from 0.1 to 14 μm were measured in the temperature range 4 – 300 K. Cylindrical crystals with glass coating were prepared by the high frequency ...
  • Optical characterization of Mo1−xWxS2 single crystals 
    DUMCENCO, Dumitru; HUANG, Ying-Sheng; HO, Ching-Hwa; COLEV, Andrei; GHERMAN, Cornel; KULYUK, Leonid; TIONG, Kwong-Kaw (Technical University of Moldova, 2009)
    A systematic optical study of Mo1-xWxS2 single crystals grown by the chemical vapor transport method in a wide range composition (0 ≤ x ≤ 1) is presented. The optical characterization was carried out using piezoreflectance ...
  • Application of Undular Analysis for Description of the Physical Phenomena 
    MIRONOV, Bettin (Technical University of Moldova, 2009)
    The spectral decomposition is one of the most fruitful methods applied in technique. However more often spectroscopic decomposition is applied to signals and functions, time-dependent, less often from spatial coordinates. ...
  • Radiation Effects in Low Dimensional Semiconductor Structures 
    SOBOLEV, Nikolai A. (Technical University of Moldova, 2009)
    The paper presents a survey of effects occurring in Si-Ge and III-V quantum dots, quantum wells, quantum wires and superlattices upon electron and proton irradiation as well as upon ion implantation. The important issue ...
  • Măsurarea impedanţei în coordonate Carteziene prin metoda rezonanţei simulate 
    NASTAS, Vitalie; NICOLAEV, Pavel (Technical University of Moldova, 2009)
    This work describes the structure of the current commanded Cartesian coordinates impedance simulator, the modelling and analysis of the serial resonance circuit equilibration process using the simulation program MULTISIM, ...
  • Electrical behavior of the CdTe heterojunction cells fabricated on polyimide substrates 
    POTLOG, Tamara; SPALATU, Nicolaie (Technical University of Moldova, 2009)
    Hot-wall technique has been used for preparation of CdTe heterojunction cells on the polyimide substrates covered with ITO layer. Carrier transport mechanisms of the heterojunction cells are briefly discussed. It has been ...
  • Structura spectrelor de iradiere a politipului 2 4 ZnIn S la 80 K 
    ARAMĂ, E.; GHEORGHIŢĂ, E.; PÎNTEA, V. (Technical University of Moldova, 2009)
    In this article on the describe structure spectrum of radiation polities of 2 4 ZnIn S at 80 K relative thickness of plaque. Is proposed the optical transition energy for recombination holder with unbalanced load levels ...
  • Generalized hyperbolic model for I-V characteristic of semiconductor devices 
    PENIN, Alexandr; SIDORENKO, Anatoli (Technical University of Moldova, 2009)
    It is proposed to use the models of volt-ampere characteristics of semiconductor devices such as transistors and photovoltaic cells as a physically reasonable hyperbolic characteristic of the active two-pole with self-limitation ...
  • Aspects of application of the impedance simulators for impedance measurement 
    NASTAS, Vitalie (Technical University of Moldova, 2009)
    The paper relates about some aspects of application of the metrological impedance simulators (MIS) for high precision impedance measurement. The classification of these devices and the most important requirements are ...
  • Proiectarea Sistemelor de Transfer Bidirecţional de Date în Baza Reţelelor Petri Hard 
    SUDACEVSCHI, Viorica; ABABII, Victor (Technical University of Moldova, 2009)
    Lucrarea de faţă este dedicată proiectării sistemelor de transfer bidirecţional de date, unde, ca unitate de control a transferului de date se utilizează reţele Petri hard. Structura reţelei Petri hard corespunde funcţional ...
  • Organizarea Transferului de Date Concurent în Baza Modelelor RPH 
    ABABII, Victor; SUDACEVSCHI, Viorica (Technical University of Moldova, 2009)
    În lucrare se propune o metodă de organizare a transferului de date în baza modelelor de reţele Petri Hard pentru sistemele de calcul cu magistrală comună. S-a propus un sistem de calcul care conţine o mulţime de dispozitive ...
  • Acordarea Regulatoarelor în Sisteme de Reglare în Cascadă cu Trei Contururi cu Inerţie 
    COJUHARI, Irina (Technical University of Moldova, 2009)
    A tuning algorithm of linear controllers P, PI, PID in multiple-loop feedback control systems is proposed in this paper. The control objects consist of three subprocesses, which are described by dynamical models with inertia ...
  • Estimation of language complexity for the human computer interection systems 
    OBJELEAN, Nicolae (Technical University of Moldova, 2009)
    We describe methods for estimation the phonemic, words and lexical ambiguity for automatic speech recognition systems. This methods are use the phonemic structure of spoken words, size of dialogue vocabulary, probability ...
  • A brief history of the study of word-formation. Some basic concepts 
    CATERENCIUC, Svetlana (Technical University of Moldova, 2009)
    This paper is mainly an introduction to some of the terminology required in the study of word formation. Much of the terminology used will help place word-formation in its broader framework. The study of word-formation is ...
  • Event-threading calculation algorithm complexity estimation 
    CHIOR, Alexandr (Technical University of Moldova, 2009)
    In this paper it is considered a new variant of artificial neural network (ANN) and calculation algorithm so-called event-threading ANN. The classical model of ANN is enhanced by introducing the notion of event-threading ...
  • Разработака символов ЛЭП для ArcGIS 9.3 
    DUCA, Liudmila; FRASINIUC, Vladimir; ROMANENCO, Alexandr (Technical University of Moldova, 2009)
    The paper provides a description of development of the symbol collections for ArcGIS.
  • Principiul dualității în algebra logicii 
    COJOCARU, Ion; ŞERBANAŢI, Luca; PĂVĂLOIU, Bujor; RADOVICI, Alexandru; VASILOŢEANU, Andrei (Technical University of Moldova, 2009)
    The problem of easy testable digital circuits’ design, which appeared in the 60s of the last century, being in the permanent focus of the digital circuits’ producers, has not found its adequate solution yet. Complexity of ...
  • RSS-Reader - gruparea şi verificarea la "unicitate" a noutăţilor 
    MÂNZAT, Gheorghe (Technical University of Moldova, 2009)
    Article present a consept of information system «RSS – Reader». Presented software concept belongs to RSS-agregator software class but in comparation to other representatives it has some special features of RSS news grouping ...
  • Verificarea Funcţională a Sistemului Multiprocesor de Bord al Satelitului 
    SECRIERU, Nicolae; GUŢULEAC, Emilian; NICU, Roman (Technical University of Moldova, 2009)
    În lucrare sunt prezentate aspecte de elaborare şi verificare funcţională prin reţele Petri temporizate a sistemului multiprocesor de bord al unui microsatelit.
  • A preliminary analysis of esophageal speech signals 
    PUSTOVALOVA, Olga (Technical University of Moldova, 2009)
    The ESOTEK project by the University of Deusto (Spain) is aimed to provide computer assistance to patients who are learning esophageal speech. Esophageal speech is an alternative way of speech production that can be used ...

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