2019: Recent submissions

  • Analysis of the energy characteristics of M – QAM signals at turning of signal constellations 
    MIHAILOV, Andrei; SESTACOVA, Tatiana; SOROCHIN, Gherman (Tehnica UTM, 2019)
    The paper considers the effect of the rotation of the signal constellation on the energy characteristics (signal to noise ratio) of quadrature multi-point modulation methods. Based on the error vector in the Matlab + ...
  • Programming the NAO robot for human interaction 
    ROTARU, Lilia; SĂNDUȚĂ, Stanislav; UNGUREANU, Valeria (Tehnica UTM, 2019)
    Humanoid robotics is an emerging and challenging research field, which has received significant attention during the past years and will continue to play a central role in robotics research and in many applications of the ...
  • Active learning of networking in the GNS3 virtualized environment 
    MORARU, Victor; GUŢULEAC, Emilian; CĂRBUNE, Viorel (Tehnica UTM, 2019)
    The practical activities during networking learning are usually done in the specialized laboratories including computers and special network equipment (cables, switches, routers, etc.). This approach is quite expensive, ...
  • Accelerated Vector Animation Software 
    CRIȘAVIŢCHI, Alexei; SARANCIUC, Dorian (Tehnica UTM, 2019)
    This article describes a newly created desktop application - AVAS, designed to work with animated vector graphics. AVAS (Accelerated Vector Animation Software) is a system for creation of the 2d digital animation. The ...
  • Manosensors based on individual hibrid structures and their application in gas sensing at room temperature 
    POSTICA, Vasile; GRÖTTRUP, Jorit; ADELUNG, Rainer; SONTEA, Victor; LUPAN, Oleg (Tehnica UTM, 2019)
    During the last decades, the progress of bottom-up technologies has emerged in fabrication of high-performance nanodevices based on individual nano- and microstructures [1-3]. A special attention has been paid for metal ...
  • The plasticity index of the /soft-film/soft-substrate/ coated systems 
    PYRTSAC, Constantin; GRABCO, Daria (Tehnica UTM, 2019)
    The advanced devices from the last years contain thin films deposited on substrates of materials with different properties, thus forming coated systems (CS) of film/substrate type. Scientists, as well as engineering staff ...
  • Sensitivity investigation to formaldehyde of the vapors of nanostructured films from ZnO semiconductor oxides for medical application 
    LUPAN, Oleg; POCAZNOI, Ion; ABABII, Nicolai; CRETU, Vasilii; SECU, Iuliana (Tehnica UTM, 2019)
    Formaldehyde (СH2О) of 40% is widely used in medicine as a substance applied in processes for sterilization of bone grafts for further use as implants. The efficiency of sterilization depends on the amount of СH2О remaining ...
  • Influence elastic deformation and magnetic field on magneto- thermoelectric properties Bi, Bi1-xSbx semimetal wires 
    BODIUL, Pavel; PARA, Gheorghe; KOBYLIANSKAY, Anna; ISTRATE, Evghenii; MOLOSHNIK, Evghenii (Tehnica UTM, 2019)
    We repot on the experimental observation of the electron topological transition (ETT) in the semimetal Bi1-xSbx wires induced by the electric deformation and magnetic field and its influence on thermoelectric efficiency ...
  • Exfoliation and thermoelectric properties of bismuth telluride and bismuth chalcogenides layers N- and P- type 
    NIKOLAEVA, Albina; KONOPKO, Leonid; ROGACKI, Krziysztof; GHERGHISHAN, Igori; BOTNARI, Oxana; KOROMYSLICHENKO, Tatiana (Tehnica UTM, 2019)
    Bismuth telluride and its alloys are the best thermoelectric material at room temperature. Bulk thermoelectric modules are used widely in industry as Peltier cooling devices and only bismuth telluride materials are ...
  • Magneto- seebeck coefficient Bi1-XSbX microwires for thermoelectric applications 
    NIKOLAEVA, Albina; KONOPKO, Leonid; HUBER, Tito; POPOV, Ivan; KOBYLIANSKAY, Anna (Tehnica UTM, 2019)
    Due to development of new concepts such as the low- dimensional structures [1] and influence the quantum confinement of change carrier acoustic phonon –boundary scattering for increase figure of merit ZT=2/(T) opened ...
  • TiO2/ZnO columnar heterostructures 
    MAGARIU, Nicolae; PAUPORTÉ, Thierry; LUPAN, Oleg (Tehnica UTM, 2019)
    In this work we synthesized TiO2/ZnO columnar films and studied their characteristics, including the sensor structures based on zinc oxide doped with different impurities. The effects of nano-heterogeneous formation of ...
  • Characteristics of some apportionment methods by computer simulation 
    BOLUN, Ion (Tehnica UTM, 2019)
    In examined homogeneous multi-optional systems, the decision is made on two or more final options, consisting of parts of a homogeneous resource measured in integers; the resource in question is apportioned to beneficiar ...
  • Measuring approach for semiconductor nanostructured gas sensors parameters 
    VERJBITKI, Valeriu; RAILEAN, Serghei; LUPAN, Oleg (Tehnica UTM, 2019)
    The development of new technologies for extracting and testing the parameters of nanostructures based on semiconductor oxides required the development of special instruments for measuring the parameters of such structures ...
  • Internet of things system for environmental map acquisition 
    BRAGARENCO, Andrei; MARUSIC, Galina (Tehnica UTM, 2019)
    The paper discusses the importance of contemporary electronic systems, with the focus on the development of distributed electronic equipment. Here the devices, potentially members of an Internet of Things (IoT) network, ...
  • Angle dependence of the magnetoresistance in bi nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; ROGACKI, Krzysztof (Tehnica UTM, 2019)
    Bulk bismuth has been classified as a trivial topological insulator (TI) where the surface states do not have topological protection. Still, the electronic mobility of surface states is exceptionally large. This is not ...
  • Quantum electrical transport properties of topological insulator Bi0.83Sb0.17 nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; ROGACKI, Krzysztof (Tehnica UTM, 2019)
    Recently a new class of insulator, namely, topological insulator (TI) [1], was proposed. A TI is a material with a bulk electronic excitation gap generated by the spin-orbit interaction, which is topologically distinct ...
  • Analysis of routing techniques in mobile ad-hoc networks 
    HLOPEANICOV, Claudia (Tehnica UTM, 2019)
    Mobile ad hoc networks (MANET) are self-configuring networks of nodes connected by wireless connections without any form of centralized management. They are currently one of the most important research subjects due to the ...
  • CTS optimization on 3D integration 
    PLETEA, Ionica-Marcela; SONTEA, Victor; ALECSANDRESCU, Iolanda (Tehnica UTM, 2019)
    In this article we have implemented and optimized Clock Tree in a design placed 3D and we have analyzed the results and the impact of reducing wire length on the area, power and timing of the built clock tree. Due to ...
  • Data Science approach for IT project management 
    GRABIS, Janis; HAIDABRUS, Bohdan; PROTSENKO, Serhiy; PROTSENKO, Iryna; ROVNA, Anna (Tehnica UTM, 2019)
    Majority of the IT companies realized that ability to analyse and use data, could be one of the key factors for increasing of number of successful projects, portfolios, programs. Key performance indicators based on data ...
  • Estimation of the mathematical model of the DC engine coupled with a reaction wheel using GA 
    MELNIC, Vladimir (Tehnica UTM, 2019)
    The Center for Space Technology of the Technical University of Moldova is designing a satellite that aims to scan the territory of the Republic of Moldova using a camera. This implies the need to control the attitude of ...

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