Browsing 2015 by Title

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  • Record Single-Mode Power of 1300 nm-Wavelength VCSELs 
    CALIMAN, A. (Technical University of Moldova, 2015)
    Record-high fundamental mode output power of 6.8 mW at 20 ºC achieved with wafer-fused VCSELs emitting at 1300 nm is reported in this paper. VCSEL contains an InAlGaAs-InP active with buried tunnel junction and undoped ...
  • Reţea de senzori cu arhitectură reconfigurabilă 
    ABABII, V.; SUDACEVSCHI, V.; PODUBNÎI, M.; ROSHCHIUPKIN, O. (Technical University of Moldova, 2015)
    In the paper is considering the design steps of a sensors network that contains data processing nodes with reconfigurable architecture. Network modeling identifies critical nodes where conflicts may arise in the data ...
  • Running OER MOOC University Courses by Using Moodle Platform 
    ADASCALITEI, Adrian; SECRIERU, Nicolae; TODOS, Petru (Technical University of Moldova, 2015)
    This paper describes an i-pedagogically effective sequence of topics and methods for blended learning electric circuit analysis in a MOOC (Massive Open Online Courses) structure. We show how to teach using the web, Open ...
  • Second Order Coherence and its Application in Communication 
    TURCAN, Marina (Technical University of Moldova, 2015)
    In this paper it is examined the coherence properties among the Stokes and anti-Stokes fields and its application in Communication. It is proposed novel two-photon entangled sources which take into account the coherence ...
  • A Second Order-Cone Programming Relaxation for Facility Location Problem and Simple Assembly Line Balancing Problem 
    MORARU, V.; ZAPOROJAN, S.; COJOCARI, N. (Technical University of Moldova, 2015)
    The paper put into discussion the numerical solving of the well known problems in the field of production planning - the facility location problem and the balancing problem SALBP-I (Simple Assembly Line Balancing Problem ...
  • Sentiment Analysis of User-Generated Online Content 
    BOBICEV, V.; SOKOLOVA, M. (Technical University of Moldova, 2015)
    This paper presents several experiments in the domain of automate text sentiment analysis. Comparison between machine learning (ML) and rule-based algorithms demonstrated that well-tuned rule-based methods obtain better ...
  • Some Aspects of Detection in the Low Temperatures Diode Detectors 
    KERNER, Ia. I. (Technical University of Moldova, 2015)
    Diode detectors (DD) are widely used in electronic information and communication systems. The numerical modeling of the electrical properties in the contacts of the high temperature superconductor (HTSC) with semiconductor ...
  • Stabilitatea circuitelor selective pe baza convertoarelor de impedanță 
    AVRAM, I. (Technical University of Moldova, 2015)
    In this paper we study the stability of frequency selective circuits based on impedance converters. We calculated the critical amount of the setting element and the critical frequency that can be generated by selective ...
  • Stabilization of Load Voltages in Power Supply Systems with Limited Capacity Voltage Sources 
    PENIN, A.; SIDORENKO, A. (Technical University of Moldova, 2015)
    Restricted load powers, two–valued regulation characteristics, and interference of several loads is observed in power supply systems with limited power of voltage source. In this paper a geometrical approach is presented ...
  • Stationary States of External Cavity Diode Laser 
    TRONCIU, V. Z.; RADZIUNAS, M.; WENZEL, H. (Technical University of Moldova, 2015)
    We report the results of numerical investigations of the stationary states of an external cavity diode laser (ECDL) device composed of a semiconductor laser, a lens, and a distant Bragg grating, which provides optical ...
  • Strategii de dezvoltare a sectorului TIC al Republicii Moldova: situația Curentă și perspective 
    PULBERE, Veronica (Technical University of Moldova, 2015)
    Republic of Moldova seeks at all times to obtain more performance in its development. Such action plans are drawn up for the implementation of the strategic objectives. The multitude of national policies and reforms in all ...
  • Structure Chart of Pseudo-Ring Testing and Evaluation of its Algorithmic and Hardware Complexity 
    GRIŢCOV, Serghei (Technical University of Moldova, 2015)
    This paper presents different modifications of structure of pseudo-ring testers and determination of its algorithmic an hardware complexity, as well as the types of faults the testers allow to detect.
  • Summarizing of the Informational Tutorial Materials on Digital Processing and Noise-Immune Coding of Audio- and Videosignals 
    ROZORINOV, G. M.; SPIVAK, V. M.; VLASIUK, G. G. (Technical University of Moldova, 2015)
    In this abstract is given the summarizing of the informational tutorial materials for digital processing and noise-immune coding of audio and video signal, developed by the leading scientists of scientific academic ...
  • Supraconductibilitatea în Modelul Shiba-Rusinov. Examinarea Gapului Energetic 
    VLADIMIR, M. (Technical University of Moldova, 2015)
    Shiba – Rusinov model is examined for systems with magnetic impurities inside energy gap. The magnetic impurity is described by energy level and in case of strong scattering of electrons on an impurity it transforms into ...
  • Surface States Transport in Nanowires of Topological Insulator Bi0.83Sb0.17 
    KONOPKO, L. A.; NIKOLAEVA, A. A.; HUBER, T. E.; ANSERMET, J. P. (Technical University of Moldova, 2015)
    We have investigated the transport properties of topological insulator based on single-crystal Bi0.83Sb0.17 nanowires. The single-crystal nanowire samples in the diameter range 75 nm – 1.1 μm were prepared by the high ...
  • Synthesis and Characterization of ZnS Colloidal Quantum Dots 
    DORIF, A.; GERU, I.; FRATESCU, V. (Technical University of Moldova, 2015)
    A way of colloidal ZnS QDs synthesis, different from knowing ways used for obtaining of these QDs (solvothermal and hydrothermal ways, solid state heating, ultrasonication) is proposed. It is similar to way for CdS synthesis, ...
  • System of Error-Correcting Decoding Based on FPGA 
    LAZĂR, D.; GRIŢCOV, S.; UNGUREAN, V.; SOROCHIN, G. (Technical University of Moldova, 2015)
    This paper presents implementation of error correcting decoding system, that would allow to increase noise immunity of video data transmission from satellite SATUM to the Earth. Implementation of the system based on FPGA ...
  • Theoretical Study of External Cavity Diode Laser Using Simulation of Modes 
    DUMANOV, E. V.; TRONCIU, V. Z.; DUMANOV, E. V.; WENZEL, H. (Technical University of Moldova, 2015)
    This paper reports the results of numerical investigations of the modal behavior of a laser with an external feedback. The numerical calculations are based on the solution of the homogeneous coupled-wave equations using a ...
  • Transport Properties of Nanostructured Organic Crystal of TTT(TCNQ)2 
    SANDULEAC, I.; BALMUS, I.; CASIAN, A. (Technical University of Moldova, 2015)
    The numerical modeling of electrical conductivity and thermopower of TTT(TCNQ)2 organic crystals is performed in order to investigate the prospect of using the mentioned crystals as thermoelectric material. The calculus ...
  • Using Neuro Fuzzy Methods for Creating Sales Forecasting Web Service 
    CHILAT, S. (Technical University of Moldova, 2015)
    This paper presents a new way of implementing the forecasting process using a neural network and a fuzzy controller. At the first stage of the process, the neural network performs the forecasting based on internal parameters, ...

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