IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Conferinţa "Microelectronics and Computer Science" by Title

Browsing Conferinţa "Microelectronics and Computer Science" by Title

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  • Acordarea regulatoarelor la modele echivalente de obiecte cu elemente identice în conexiune paralelă 
    IZVOREANU, Bartolomeu; MORARU, Dumitru; COJUHARI, Irina (Tehnica UTM, 2014)
    În lucrare se propune un algoritm iterativ de acordare a regulatoarelor tipizate PI şi PID la modele echivalente de obiecte cu elemente identice cu inerţie de ordinul unu în conexiune paralelă. Algoritmul propus de acordare ...
  • Acoustic properties of cylindrical nanowires with the elastically dissimilar barriers 
    NIKA, Denis L.; POKATILOV, Evgenii P.; BALANDIN, Alexander A. (Technical University of Moldova, 2005)
    We have theoretically investigated the effect of the coating made of the elastically dissimilar material on the acoustic phonon properties of semiconductor nanowires. It is shown that the acoustic impedance mismatch at the ...
  • Acoustical properties of rectangular quantum heterowires with clamped outer surfaces 
    ZINCENCO, Nadejda D.; NIKA, Denis L.; Al-SABAYLEH, Moayad (Technical University of Moldova, 2005)
    We had been theoretically studied the acoustic phonon spectra and group velocities of the phonons in the rectangular GaN nanowire with clamped outer surfaces, covered with elastically dissimilar barriers. The elastic ...
  • Adaptive watermarking – two ways to define it 
    RADULESCU, Monica; IONESCU, Felicia; STOICA, Cristina; STOICA, Valentin (Technical University of Moldova, 2005)
    Digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia data in a networked environment. It makes possible to tightly associate to a digital document a code allowing the ...
  • Advanced econophysical analysis for optimization of transition to sustainable energy development - elaboration of the main components 
    BOŞNEAGA, Iurie; BOLOGA, Mircea (Technical University of Moldova, 2017)
    Energy governs the world - our development is governed by energy transformations. That is why it is vital to have the adequate Strategy of Sustainable Energy Development and the roadmap for its implementation. The subject ...
  • Advanced Light-Emissive Device Structures 
    PYSHKIN, Sergei L. (Technical University of Moldova, 2017)
    Here is discussed the development of advanced and resource-saving method for fabrication of semiconductor materials having unique and close to ideal properties for optoelectronic devices. This work could lead to significant ...
  • The advantages of the digital radio diagnostic devices implementation in m. Chisinau (Republic of Moldova) in 2009-2011 (first quarter) 
    ROSCA, Andrei; DÂNGA, Veaceslav; BAHNAREL, Ion; COREŢCHI, Liubov (Technical University of Moldova, 2011)
    Currently, in the medical-sanitary public institutions (MSPI) of the Republic Moldova, the weight of the traditional radio diagnosis of the devices, morally and physically overstep consist 90 – 91, 5%, inclusively their ...
  • AFM Tapping Mode Phase-Imaging of Carbon Nanotubes 
    KOCH, Thomas (Technical University of Moldova, 2005)
    In the meantime AFM-imaging of carbon nanotubes has become a usual tool to get detailed information about the samples. This work introduces some new aspects in Tapping Mode Phase Imaging that may support the proper ...
  • The Aharonov-Bohm effect in self-assembled InGaAs/GaAs quantum rings 
    FOMIN, V. M.; GLADILIN, V. N.; DEVREESE, J. T.; OFFERMANS, P.; KLEEMANS, N.; KOENRAAD, P. M.; WOLTER, J. H.; GRANADOS, D.; GARCÍA, J. M. (Technical University of Moldova, 2005)
    Based on the structural information obtained from X-STM measurements, we calculate the electron energy spectra in quantum rings (QR)s and the electron orbital magnetization as a function of the applied magnetic field. Shape ...
  • An algorithm for synthesizing a logic database schema 
    COTELEA, Vitalie (Technical University of Moldova, 2005)
    An improved algorithm for synthesizing a database schema is considered. The schema that results from this procedure is proved to be in Codd’s third normal form and to possess losslessjoin property. It produces result even ...
  • Algorithm of decision making for autonomous mobile robotic system under indeterminate conditions 
    SITNIKOV, Valery; TROIAN, Artur; STRELTSOV, Oleg (Technical University of Moldova, 2011)
    This article discusses possibility to use fuzzy logic to build a complex of route planning movement of autonomous mobile robotic system based obstacle avoidance, as well as fast and power efficient achievement a certain ...
  • Algorithms of synchronous vector modulation for hybrid multi-converter six-phase system 
    OLESCHUK, Valentin; ERMURATSKII, Vladimir (Tehnica UTM, 2014)
    Topology of dual three-phase (six-phase) adjustable speed motor drives can be based on two standard inverters and two neutral-point-clamped converters. Control of these systems in accordance with specialized schemes and ...
  • Algoritm de Acordare a Regulatoarelor în Sisteme de Reglare în Cascadă cu Trei Contururi cu Inerţie şi Timp Mort 
    COJUHARI, Irina; IZVOREANU, Bartolomeu (Technical University of Moldova, 2009)
    A tuning algorithm of linear controllers P, PI, PID in multiple-loop feedback control systems with three contours is proposed in this paper. The control objects consists from three subprocesses, which are described by ...
  • Algoritm Iterativ de Acordare a Regulatoarelor la Obiecte cu Inerţie de Ordinul Doi, Timp Mort şi Fază Neminimă 
    IZVOREANU, Bartolomeu (Technical University of Moldova, 2011)
    In this paper is proposed the iterative algorithm of tuning the typical controllers P, PI, PID to the model objects with inertia second order, time delay and nonminimal phase. In the proposed algorithm it is using the ...
  • Algoritmi de criptare şi protocoale în reţelele de nouă generaţie (NGN) 
    PĂDURE, Dmitrii; RUSU, Igor; PĂDURE, Natalia; NEMERENCO, Lucreţia (Technical University of Moldova, 2011)
    Dezvoltarea sistemelor de comunicare are o viteză efemeră, astfel încît în fiecare zi apar noi tehnologii, însă în procesul de utilizare a acestora de către utilizatori, este necesară o protecţie avansată a informaţiei, ...
  • Alternatives to formal planning 
    DAVID, Olga (Technical University of Moldova, 2011)
    Before the teacher goes into a lesson, it helps to be clear about what he wants to do. A lot is going to happen on the spot in the class – he can't ever completely predict how learners will respond to anything - but the ...
  • Amplification of THz radiation in the system of excitons and biexcitons 
    MARKOV, D. A. (Tehnica UTM, 2014)
    The new mechanism of terahertz radiation generation (amplification) which is based on the use of quantum transitions between two-exciton and biexciton states is investigated. It is shown, that the enhancement coefficient ...
  • Amplitude Modulation 
    DARADKEH, Yousef; ALMARWAN, Qutaibah; ALSALEEM, Muntaser (Technical University of Moldova, 2011)
    In this paper I explain the most important modulation technique and I explain the type of this Technique (AM). Amplitude modulation (AM) reflectometry is a technique for density profile measurements in magnetic fusion ...
  • Analiza Algoritmilor de Segmentare a Imaginilor pentru Aplicaţii de timp real 
    CALMÎCOV, Igor (Technical University of Moldova, 2009)
    În acest articol este descrisă o aplicaţie de segmentare a imaginilor a picăturii de aliaj preluate de camera video. Procesând aceste imagini în timp real sunt extrase unele caracteristici ai formei, în baza cărora se pot ...
  • Analiza comparativă a metodelor de acordare a regulatoarelor tipizate 
    COJUHARI, Irina; FIODOROV, Ion; VICOL, Nicolai; MELNIC, Radu; TIHOLAZ, Tamara (Tehnica UTM, 2014)
    În lucrare se propune de a efectua o analiză comparativă a metodelor de acordare a regulatoarelor tipizate PI şi PID după metoda criteriului gradului maximal de stabilitate, metoda frecvenţială şi optimizarea parametrică. ...

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