Browsing 2012 by Title

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  • SATUM: Имплементирование и эксперименты с беспроводной передачей изображений 
    Унгурян, Вадим (Tehnica UTM, 2012)
    The article describes the adjustment of the wireless image capturer of the university nanosatellite called SATUM. The unit is implemented by MSP-EXP430FR5739 and CC2520EMK development kit. 0,3 megapixel image is transmited ...
  • Securitatea aplicaţiilor mobile banking 
    CIOBANU, Mihai (Tehnica UTM, 2012)
    Mobile banking is attractive because it is a convenient approach to perform remote banking, but there are security shortfalls in the present mobile banking implementations. This paper discusses some of these security ...
  • Simple chaos generator with robust operation 
    COJOCARU, Victor; TEODORESCU, Horia-Nicolai (Tehnica UTM, 2012)
    We describe a simple chaos generator circuit build based on the LM555 timer. This simple circuit can be assembled on a test board shortly. The circuit can be used for studying the processes related to nonlinear dynamics ...
  • A simple method to generate pseudorandom sequences 
    RĂCUCIU, Ciprian; JULA, Nicolae; DOCHIŢOIU, Ştefan (Technical University of Moldova, 2012)
    This paper aims generation pseudorandom sequences using binary representation of rational numbers. Cryptography is one of the areas using such sequences.
  • Simularea asistată de calculator a unor oscilaţii neliniare 
    BALMUŞ, Nicolae; BALMUŞ, Ion; COJUHARI, Alexandru (Tehnica UTM, 2012)
    In the present paper, the authors described the implementation conditions of the numerical experiments on a pendulum, suspension point of which vibrates (Kapitza's pendulum).
  • Simulatoare metrologice de impedanţe flotante 
    NASTAS, Vitalie (Tehnica UTM, 2012)
    Paper contains some aspects of synthesis and analysis of the metrological simulators of floating impedance, suitable for using as the measures in impedance meters. There are presented two type of simulators for reproducing ...
  • Sistem automat de verificare si sortare a pieselor bazat pe traductoare cu triangulatie 
    POPESCU, Marinel (Tehnica UTM, 2012)
    The problem of distance or position measurement using non-contact method and instrument it is current concern for engineers. Using this way is possible to verify dimensions and sorts the parts of plants after mechanical ...
  • Sistem cu multe canale de reglare automată a procesului de creştere a structurilor semiconductoare prin HVPE 
    BARANOV, S.; CHEIBAŞ, V.; COJUHARI, I. (Technical University of Moldova, 2012)
    The automatic control system for IEC-3/4R technological equipment of the gallium arsenide (GaAs) semiconductor structures epitaxial growing by HVPE method was elaborated. The aim of elaboration is increasing economic ...
  • Sistem de simulare vizuală a proceselor de calcul orientate pe servicii prin reţele petri membranale 
    ŢURCANU, Iurie; CORDUNENU, Alexei; GUŢULEAC, Emilian (Technical University of Moldova, 2012)
    This paper presents a software environment VMPNS for visual simulation of reconfigurable service-oriented computing with membrane Petri nets. It offers an intuitive graphical user interface for designing various elements ...
  • Sistemul de monitorizare a temperaturii 
    ZAVRAJNYI, Serghei; TIRON, Iurie; GRIŢCO, Andrei; STALBE, Andrei; NICA, Iurie (Tehnica UTM, 2012)
    The multichannel temperature probe for studying the behavior of thermal fields is described in this article. As temperature sensors used Chromel - Alumel thermocouples. Thermoelectric each thermocouple (from 11mV to 13mV) ...
  • Sistemul energetic de la bordul satelitului 
    CANŢER, V.; ZASAVIŢCHII, E.; SAINSUS, I.; CONEV, A.; RUSSEV, Iu. (Tehnica UTM, 2012)
    In this study, we argue that the power-supply system in the composition of spaceborne equipment plays an important role. This can be explained by the fact that all the components operate at extremely low temperatures ...
  • SOC-ориентированные технологии мозгоподобных квантовых вычислений 
    ХАХАНОВ, Владимир; MURAD ALI ABBAS; ЛИТВИНОВА, Евгения (Tehnica UTM, 2012)
    Qubit (quantum) structures of data and computational processes for significantly improving performance when solving problems of discrete optimization and fault-tolerant design are proposed. We describe a hardware-focused ...
  • Soft-decodarea datelor recepţionate de la nano-satelitul SATUM 
    POCOTILENCO, Valentin (Tehnica UTM, 2012)
    Errors in communication channels are the problem that can be solved on different stages of data live, from data generation and application to the communication channel on transmitter until decoding and analyzing on receiver. ...
  • A study on classification for the vowel signal accordingwith emotional state based on recurent fuzzy C-means algorithm 
    ZBANCIOC, Marius; FERARU, Monica (Tehnica UTM, 2012)
    In this paper we used the recurent fuzzy C-means algorithm in order to compare the centers of the clusters with the statistic parameters obtained from the input data sets. Based on the experimental results, the FCM ...
  • Superconducting critical temperature reentrance in F/S/F three-layered structures based on Nb AND Cu41Ni59 alloy 
    ZDRAVKOV, V. I.; OBERMEIER, G.; GARCIA-GARCIA, J.; KEHRLE, J.; ULLRICH, A.; MULLER, C.; MORARI, R.; ANTROPOV, E.; HORN, S.; TAGIROV, L. R.; TIDECKS, R.; SIDORENKO, A. S.; GHITU, D. (Technical University of Moldova, 2012)
    Ferromagnet/Superconductor/Ferromagnet (F/S/F) trilayers, in which the establishing of a Fulde-Ferrell Larkin-Ovchinnikov (FFLO) like state leads re-entrance behavior of superconductivity, form the core structure of the ...
  • Superconducting spin–switch for spintronics 
    SIDORENKO, Anatolie (Technical University of Moldova, 2012)
    Very rapid developing area of spintronics needs new devices, based on new physical principles. One of such devices – a superconducting spin-switch consists of ferromagnetic and superconducting layers.The thicknesses tuning ...
  • Suport didactic la disciplina „Sisteme suport pentru decizii” 
    BELDIGA, Maria; BRAGARU, Tudor; CĂPĂŢÂNĂ, Gheorghe (Tehnica UTM, 2012)
    Summary of tests and evaluation for e-Learning are stages that require considerable effort and time from the teacher. In this article is described an original architecture for constructing the teaching supports with ...
  • Temperature influence on In0,3Ga0,7As / GaAs nanostructures of VCSEL lasers with quantum wells 
    DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Technical University of Moldova, 2012)
    Transitions hh,lh1-e1(1s), hh1,lh1-e2(1s), hh2,lh2 -e2(1s), hh3,lh3,-e3(1s) and the particularities conditioned by quantum dots (QD) produced on the boundaries of nanolayers and buffer layer had been revealed in reflection ...
  • Tendinţe de dezvoltare a radiocomunicaţiilor în Republica Moldova 
    PULBERE, Veronica (Tehnica UTM, 2012)
    Radiocommunications is a major part of telecommunications. In given article are prezented the Radiocommunications industry development trends, their place in the telecommunications industry and their importance for ...
  • Teoria jocurilor în sisteme suport deciziei 
    MIHALACHI, Svetlana (Tehnica UTM, 2012)
    Today, decision making is more difficult. The need for decision-making speed has increased and there is more distortion of information. On the positive side, there is a greater emphasis on fact-based decision making. A ...

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