Articole ştiinţifice: Recent submissions

  • Near-infrared wafer-fused vertical-cavity surface-emitting lasers for HF detection 
    CIVIŠ, Svatopluk; ZELINGER, Zdeněk; NEVRLÝ, Václav; DOROGAN, Andrei; FERUS, Martin; IAKOVLEV, Vladimir; SIRBU, Alexei; MEREUTA, Alexandru; CALIMAN, Andrei; SURUCEANU, Grigore; KAPON, Eli (Elsevier, 2014)
    1310nm Wavelength VCSELs produce single mode emission in excess of 1mW in the temperature range of 20−70°C with a very low relative intensity noise of −148dB/Hz. These devices have a broad tuning range of ~50cm−1 with ...
  • Determination on some solutions to the stationary 2D Navier-Stokes equation 
    BALTAG, Iurie (Universitatea de Stat din Moldova, 2021)
    The system describes the process of stationary fluid flow or gas on a flat surface. The function P represents the pressure of the liquid, and functions u; v represent the flow of the liquid (gas). The constants a > 0 and ...
  • Methodological approaches to the security of virtual and physical servers based on OS Linux 
    CERBU, Anatolie; GRECHIN, Dorin (Universitatea de Stat din Moldova, 2021)
    Information security has become a topic of growing interest not only in the Linux community, but in all areas of information technology. As the Internet develops, there is an increase of number of Linux servers, as well ...
  • Embedded voice processor for emergency control 
    BOROZAN, Olesea (Universitatea de Stat din Moldova, 2021)
    The concept of Industry 4.0 foresees complex automation, with minimum engagement of human personnel, who can interfere only in case of emergencies (urgent situations, accidents or breakdowns). The majority of such emergencies ...
  • Reliability of the networks with random number of the units in each subnet 
    LEAHU, Alexei; ANDRIEVSCHI-BAGRIN, Veronica; CIORBĂ, Dumitru; FIODOROV, Ion (Universitatea de Stat din Moldova, 2021)
    Our work focuses on the reliability of networks for the serial-parallel type versus the parallel-serial type when the number of units in each subnet is a Power series distributed (PSD) random variable and the lifetimes of ...
  • Weak reflexive subcategory 
    BUTNARU, Dumitru; ŢURCANU, Alina (Universitatea de Stat din Moldova, 2021)
    In the subcategory of topological vector locally convex spaces Hausdorff are built proper classes of weakly reflective and weakly coreflective subcategories, respectively. We proved that the right product of two subcategories ...
  • Web application performance analysis 
    CERBU, Anatolie; PERLOG, Valentin (Universitatea de Stat din Moldova, 2021)
    Speed counts on mobile devices, but the perception of speed is just as important. A web application, like any other product, has features that directly or indirectly influence the business of owners. To meet market ...
  • Information security in IoT 
    CERBU, Olga; TUREŢCHI, Gabriel; IORDAN, Dan; GHIDERMAN, Valeria (Universitatea de Stat din Moldova, 2021)
    The Internet of Things or IoT refers to physical devices that are connected to the Internet, all collecting and sharing data, turning anything into an IoT component.
  • Aplicaţiiile numerelor complexe in rezolvarea diferitor probleme 
    CORLAT, Andrei; JARDAN, Ion (Universitatea de Stat din Moldova, 2021)
    În această lucrare sunt considerate trei tipuri de probleme. Primul grup reprezintă probleme cu numere complexe. In al doilea grup sunt incluse probleme din diferite compartimente ale matematicii. În ultimul grup au fost ...
  • Adaptive computing model for distributed and real-time applications 
    ŢURCAN, Ana; NISTIRIUC, Ana (Universitatea de Stat din Moldova, 2021)
    The distributed computing systems as based on real-time applications provide advantageous solutions for complex process control. Such systems are a multitude of heterogeneous nodes that are integrated into data processing ...
  • Membrane computing model based on JSON language 
    MUNTEANU, Silvia (Universitatea de Stat din Moldova, 2021)
    The JSON model gives a possibility to save the topology of the Membrane computing system to files, to organize the exchange of topologies between different applications and to realize dynamical processes in the topology thereof.
  • Maximizing a neural network's accuracy and boosting the learning process for detecting the absolute colour similarity based on the centroids of normal distributions 
    SCROB, Sergiu; LISNIC, Inga; LEAHU, Alexei (Universitatea de Stat din Moldova, 2021)
    Our aim is to demonstrate that the ANN is prone to converge faster and with a higher level of accuracy using training data where tuples of triplets also represents the centroids of those 12 colour classes, considering each ...
  • Automation of Wastewater Treatment Plan 
    MOLDOVAN, Artiom; NUCA, Ilie (IEEE, 2019)
    In this project, the problem was the realization of a SCADA (Supervisory Control and Data Acquisition) system and automation system that will reduce the costs of maintenance, will increase energy efficiency and will help ...
  • Development of Electrotechnical Industry, Research and Education in the Republic of Moldova 
    TODOS, Petru; NUCA, Ilie; NUCA, Iurie (IEEE, 2019)
    In 2019, 55 years have passed since the founding of the Technical University of Moldova and 60 years since the adoption of the strategic decisions regarding the creation in the republic of a dominant electrical industry ...
  • Electrical Buses: Development and Implementation in Chisinau Municipality, Moldova 
    EŞANU, Vitalie; MOTROI, Alexandru; NUCA, Ilie; NUCA, Iurie (IEEE, 2019)
    The paper refers to the elaboration, implementation and use of electric buses. The main particularities and trends in the field are examined and presented, after which the developed general structure of the traction and ...
  • Compact and Controllable Electric Lines 
    POSTOLATY, Vitaly M.; BYCOVA, Elena V.; BERZAN, Vladimir (IEEE, 2019)
    The development of energy transport infrastructure is based on innovative solutions and technologies that provide higher indicators of energy efficiency. The purpose of the paper is to present and argue the basic principles ...
  • Millimeter-wave receiver based on a folded dipole antenna and Schottky diode for maximum power transfer 
    MONTERO-de-PAZ, J.; UGARTE-MUÑOZ, E.; GARCIA-MUÑOZ, L. E .; SEGOVIA-VARGAS, D.; SCHOENHERR, D.; OPREA, I.; AMRHEIN, A.; COJOCARI, O.; HARTNAGEL, H. L. (IEEE, 2012)
    In this article a millimeter-wave (mm-wave) receiver based on a folded dipole antenna, zero bias Schottky diode and silicon (Si) lens is presented. The antenna is designed in such a way that its input impedance is equal ...
  • High-Power MM-Wave Sources based on Schottky Diodes 
    COJOCARI, Oleg; MORO-MELGAR, Diego; OPREA, Ion; HOEFLE, Matthias; RICKES, Martin (IEEE, 2018)
    A novel approach has been developed at ACST for realization of high-power frequency multipliers in MM/SubMM-Wave range. This approach is based on discrete Schottky structures with monolithically-integrated diamond heatspreader. ...
  • Heterostructure equivalence of step-recovery diodes for ballistic and diffusive electron resonance - a new concept for THz signal generation 
    HARTNAGEL, H. L.; SCHMIDT, L.-P.; NICOLAE, B.; OPREA, I.; SCHONHERR, D.; ONG, D. S.; SCHUR, J.; RUF, M. (IEEE, 2008)
    A heterostructure equivalent to the well-known step recovery diode principle, arranged as a double structure gives a new nonlinear device for highly efficient harmonic THz signal generation. Like in the case of step recovery ...
  • The Influence of Temperature, Storage Conditions, pH, and Ionic Strength on the Antioxidant Activity and Color Parameters of Rowan Berry Extracts 
    CRISTEA, Elena; GHENDOV-MOSANU, Aliona; PATRAS, Antoanela; SOCACIU, Carmen; PINTEA, Adela; TUDOR, Cristina; STURZA, Rodica (MDPI (Basel, Switzerland), 2021)
    Recent trends in the food industry combined with novel methods in agriculture could transform rowan into a valuable raw material with potential technological applications. Thus, the aim of this research was to investigate ...

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