Browsing 2005 by Title

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  • Polar - coordinates impedance meter with simulated resonance 
    NASTAS, Vitalie; CAZAC, Artur; NASTAS, Alexandru (Technical University of Moldova, 2005)
    The paper presents an impedance meter based on the effect of simulated resonance. The series resonance circuit supplied with an polar-coordinates impedance simulator, an current signal generator and an phase-sensitive ...
  • Polarized fiber sensor 
    TSURCANU, D. N.; NISTIRIUC, I. V.; BEJAN, N. P.; BEREGOI, E. А.; ALEXEI, А. S.; NISTIRIUC, P. V. (Technical University of Moldova, 2005)
    Actually is paid a great attention to dispersed phases, especially to magneto-reologic liquids (MRL) [1]. Thus the growing role of MRL for production of optical circuits and fibers, based on those liquids properties to ...
  • Political and sociological prognostication with use of artificial intellect 
    SHOLARI, Evgheni (Technical University of Moldova, 2005)
    In the work the essence problem of prognostication, and also an opportunity of use of neural networks in political and sociological prognostication is examined. Also the traditional methods applied in political and ...
  • Porous structure of synthetic opals 
    BARDYSHEV, I. I.; MOKRUSHIN, A. D.; PRIBYLOV, A. A.; SAMAROV, E. N.; MASALOV, V. M.; KARPOV, I. A.; EMELCHENKO, G. A. (Technical University of Moldova, 2005)
    The apparent density, porosity, specific surface and annihilation characteristics of positronium were measured for synthetic opals. It was shown that the total porosity consists of micropores and nanopores connected with ...
  • Powerful Turbo Reed-Solomon codes for wireless communications 
    SCRIPCARIU, Luminiţa; FRUNZĂ, Mircea Daniel (Technical University of Moldova, 2005)
    Wireless communications are vulnerable to Additive White Gaussian Noise (AWGN) and fading phenomenon Random errors or error-bursts occur. A Reed-Solomon (RS) code defined on a Galois Field (GF) has a good error-correction ...
  • Practical aspects of the configuration of homogenous set of servers 
    BOLUN, Ion; CIUMAC, Anatol; SVERINIUC, Andrei (Technical University of Moldova, 2005)
    Results on the configuration of homogeneous set of servers for computer networks, aiming the minimization of its total cost are presented. The optimal solution significant dependence with the number of server types (from ...
  • Preparation and optical characterization of the new polymer nanocomposites 
    ANDRIESH, A.; BIVOL, V.; BUZURNIUC, S.; MESHALCHIN, A.; ROBU, S.; VERLAN, V. (Technical University of Moldova, 2005)
    The polymer nanocomposites consisting of polyvinylalcohol (PVA) and chalcogenide non-crystalline semiconductors (ChNS) as arsenic selenide (As2Se3) and arsenic sulfide (As2S3) were obtained. The optical absorption was ...
  • Primary and secondary parameters of the coaxial microwire 
    COLPACOVICI, Iulian; AVRAM, Ion; GRITCO, Roman; PARVAN, Vladimir (Technical University of Moldova, 2005)
    The coaxial microwire is a perspective element for application in microelectronic devices of a radio-frequency wave band. Theoretical definition of primary (linear) parameters of a coaxial microwire is carried out. The ...
  • Problems of the development of high frequency amplifiers and one of methods of their solution 
    MITITEL, V. V. (Technical University of Moldova, 2005)
    Problems of the development of high frequency amplifiers begin when we attempt to reach frequency 30MHz and above. They exist because of presence of input capacitance in the amplifying element. There is no element with the ...
  • Processor on basis of associative memory in restoration of images 
    МАRDARE, Igor (Technical University of Moldova, 2005)
    Field of researches is the process of revealing of homomorphous displays between objects. Such functions are capable to carry out the suggested 3-rd order objects. By its nature search of associative objects is isomorphic ...
  • Program and algorithm for long division 
    FALICO, Nicolae (Technical University of Moldova, 2005)
    In this paper effective and simple algorithm and program of long arithmetic are given. Program successfully finds residue and quotient for numbers containing more than thousand digits.
  • Propagation of laser radiation in nonlinear coupler in the case of two-photon excitation of biexcitons 
    KHADZHI, Piotr; KOROVAI, Olesya; NOSENKO, Olga; KORDONSKAYA, Nadejda (Technical University of Moldova, 2005)
    The propagation peculiarities of coherent laser radiation in two identical semiconductor waveguides are investigated. The system of the nonlinear differential equations is derived, which describes the intensity of propagating ...
  • Quasi-one-dimensional organic crystals with improved thermoelectric properties 
    CASIAN, A.; BALMUS, I.; DASHEVSKY, Z.; SCHERRER, H.; DUSCIAC, V.; DUSCIAC, R. (Technical University of Moldova, 2005)
    Thermoelectric properties of quasi-one-dimensional (Q1D) organic crystals with the interference of two main electron-phonon interactions are considered. The electrical conductivity, thermopower, electronic thermal conductivity ...
  • Quasi-vertical Schottky-structures for THZ-applications 
    COJOCARI, O.; SYDLO, C.; HARTNAGEL, H.-L.; TIGINYANU, I. M. (Technical University of Moldova, 2005)
    This paper presents the results of a systematical work on the improvement of high-frequency performance of quasi-vertical structures for THz-applications. Three versions of structure-design based on a quasi-vertical concept ...
  • Recombinational radiation in doped crystals of zinc diphosphide 
    PEEV, L. G. (Technical University of Moldova, 2005)
    In the case of semiconductors with an indirect energy gaps of interdicted zones of the type ZnP2 (D84) optical transition with absorption and emission of phonons are found in the free exiton zone. In the case of alloyed ...
  • Relating to artificial communication 
    CARCEA, Liviu; VATAMANIUC, Dumitru; VELICU, Cristina; VATAMANIUC, Aurel (Technical University of Moldova, 2005)
    The semantics of a text depends less on the meaning of a word in particularly and more on their combinations. In the natural language the abstraction of the syntactic forms has evolved so much that the same meaning can be ...
  • Ring cavity excitability and coherence resonance. Applications to communication systems 
    TRONCIU, V .Z.; ABRAM, R. A.; RUSU, S. S.; BARDETCHI, P. I. (Technical University of Moldova, 2005)
    We discuss the phenomena of excitability and coherence resonance of a nonlinear ring cavity where excitons and biexcitons are created. A bifurcation analysis of the ring cavity dynamics demonstrates both the existence of ...
  • Role of semiconductor industry in the growth of less developed countries 
    SINGH, R.; POOLE, K. F. (Technical University of Moldova, 2005)
    The semiconductor industry (consisting of design of integrated circuits, semiconductor wafer processing, packaging, testing, and materials supply) with annual sale of over $200 billion serves as a feedstock to the electronics ...
  • The role of water and oxygen adsorption/desorption processes in kinetics of In2O3 gas response 
    KOROTCENKOV, G.; BRINZARI, V.; BLINOV, I.; IVANOV, M.; STETTER, J. (Technical University of Moldova, 2005)
    Kinetics of gas response is a important parameter of chemical sensor determining its adaptability for various applications. Therefore the definition of the nature of processes controlling the rate of both gas response and ...
  • A rounding algorithm for approximating minimum Manhattan networks 
    CHEPOI, Victor; NOUIOUA, Karim; VAXÈS, Carim (Technical University of Moldova, 2005)
    For a set T of n points (terminals) in the plane, a Manhattan network on T is a network N(T)=(V,E) with the property that its edges are horizontal or vertical segments connecting points in V ⊇ T and for every pair of ...

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