Browsing 2012 by Title

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  • LED часы с дистанционным управлением 
    ЧИМПОЕШ, Илья (Tehnica UTM, 2012)
    In this work considered the project of LED clock with remote control. Are presented block diagrams of time and date indication. Clock is implemented on the basis of microcontroller ATMega128.
  • Long wavelength VCSEL potential for processing of analog microwave signals 
    IAKOVLEV, V.; BELKIN, M.; BELKIN, L.; SURUCEANU, G.; MEREUTA, A.; CALIMAN, A.; SIRBU, A.; KAPON, E. (Technical University of Moldova, 2012)
    A VCSEL-based optoelectronic frequency conversion process is investigated in details by simulation in modern OE-CAD tools and experimentally. A novel version of a VCSEL based microwave frequency converter is proposed. An ...
  • Lucrări de laborator asistate de calculator. Studiul oscilaţiilor pendulului fizic şi determinarea acceleraţiei gravitaţionale 
    RUSU, Alexandru; PÎRŢAC, Constantin; RUSU, Spiridon; TRONCIU, Vasile (Tehnica UTM, 2012)
    Se propune un soft creat special pentru studiul oscilaţiilor pendulului fizic în cadrul lucrărilor de laborator la Fizică. Este realizată o instalaţie de laborator specifică utilizării unui cronometru digital interfaţat ...
  • Lucrări de laborator asistate de calculator. Studiul rostogolirii unei bile pe planul înclinat 
    RUSU, Alexandru; PÎRŢAC, Constantin; RUSU, Spiridon (Tehnica UTM, 2012)
    Se propune un soft pentru studiul rostogolirii unei bile pe planul înclinat dea lungul unui uluc director, luând în seamă lăţimea ulucului. Instalaţia de laborator este realizată în perspectiva utilizării unui cronometru ...
  • Lucrări de laborator asistate de calculator. Verificarea experimentală a teoremei lui Steiner cu ajutorul pendulului de torsiune 
    RUSU, Alexandru; PÎRŢAC, Constantin; RUSU, Spiridon (Tehnica UTM, 2012)
    Se propune un soft creat special pentru verificarea teoremei lui Steiner cu ajutorul pendulului de torsiune în cadrul lucrărilor de laborator la Fizică. Drept punct de pornire serveşte teorema despre variaţia energiei ...
  • Luminescence of nanocomposites with different coordination of Eu+3 ions and polymers 
    VERLAN, V. I.; IOVU, M. S.; ANDRIESH, A. M.; CULEAC, I.; TURTA, C. I.; ZUBAREVA, V. E. (Technical University of Moldova, 2012)
    Thin films (1-3 μm thickness) of nanocomposites (NCs) based on organic compounds with Eu3+ ions (Eu(TTA)3H2O, Eu(TTA)3Phen, Eu(DBM)3Phen and Eu(TTA)2(Ph3PO)2NO3) and polymer polyvinylpyrrolidone (PVP) or copolymer ...
  • A method for image segmentation based on histograms –preliminary results 
    RUSU, Mariana; TEODORESCU, Horia-Nicolai L. (Technical University of Moldova, 2012)
    We present a novel method of image segmentation. While the method resembles to the known ones based on histograms, it is still different in the use of the gray level distribution and produces results that, in some cases, ...
  • Metoda simbolică de calculare a caracteristicilor curentului sinusoidal în cursul de electrotehnică universitar 
    GHEORGHITA, Eugen; LISII, Aliona; KOROLEVSKI, Boris; UNTILA, Pantelei; ZLOTEA, Olga (Technical University of Moldova, 2012)
    The symbolic method is largely applied to solve and describe various wave processes. The present paper describes this method in calculating the basic characteristics of sinusoidal current used in teaching Electrotechnics ...
  • Metodica e-testelor de autor 
    BRAGARU, Tudor (Tehnica UTM, 2012)
    This paper aims to identify issues of development items and author e-tests for elearning platform Moodle for teachers warn the need liquidation voluntarism and amateurism in this field. The conclusions are based on ...
  • Microsatelitul „Republica Moldova”: cercetarea, proiectarea şi fabricarea componentelor funcţionale 
    BOSTAN, Ion; CANŢER, Valeriu; SECRIERU, Nicolae; BODEAN, Ghenadie; BLAJA, Valeriu (Tehnica UTM, 2012)
    This paper deal with the main rezults of investigation, designing and manufactoring of functional components of microsatellite, obtained in the State investigation program “Valorisation of renewable energy in the Republic ...
  • Mobile marketing 
    PADURE, Natalia; PADURE, Dmitrii (Tehnica UTM, 2012)
    The paper is about the use of the IT world (web-pages, mobile phones, etc) as a way through which companies try to improve their business. The development of electronics and the companies’ interests to get more customers ...
  • Modelele matematice a calităţii reţelelor de comunicaţii multifuncţionale şi serviciilor 
    ŢURCANU, D. N.; NISTIRIUC, P. P.; ALEXEI, A. S.; BAXAN, L. V.; BEJAN, N. P.; NISTIRIUC, A. P.; IAZLOVEŢCHI, M. L.; FINCIUC, S. I.; CHIHAI, A. Gh.; ŢURCANU, T. P. (Technical University of Moldova, 2012)
    In this paper analyzes mathematical models of quality of multiservice networks of comunications and quality of service.
  • Modificări fotoinduse în stările de suprafaţă în structurile poroase de InP 
    ENACHI, M.; LLOYD-HUGHES, J.; MÜLLER, S.; SCALARI, G.; BISHOP, H.; CROSSLEY, A.; SIRBU, L.; TIGINYANU, I. M. (Technical University of Moldova, 2012)
    In this paper we present the results of the exploration of n-InP membranes with honeycomb porous structure. The samples were obtained via electrochemical anodization of n-InP:S substrates in solution of HCl in water. ...
  • Modul de dirijare a puterii optice a diodelor laser 
    GRITCO, Andrei; ZAVRAJNII, Serghei; TIRON, Iurie; NICA, Iurie (Technical University of Moldova, 2012)
    This article describes the optical power control module, of laser diodes, which is included in the therapy installation using local hyperthermia. The function of this module is to produce and maintain, during the entire ...
  • Monoidul cozilor оn raport cu operaţia de concatenare 
    BITCOVSCHI, Lucia (Technical University of Moldova, 2012)
    The purpose of this paper ist o investigate the tails in terms of algebraic structures. Will be considered the most important operations such as concatenation of queues, inserting an item in the queue. Queue elements are ...
  • Non-lithographic nanotechnologies for 2D and 3D nanofabrication 
    TIGINYANU, I. M. (Technical University of Moldova, 2012)
    In this paper we present a review of technological approaches for 2D and 3D nanofabrication of semiconductor compounds by using radiation treatment and electrochemistry. Novel spatial nanoarchitectures based on III-V and ...
  • Nonlinear cooling of a quantum micro-circuit 
    BARDETSCHI, Profirii; CIORNEA, Viorel; MACOVEI, Mihai A. (Technical University of Moldova, 2012)
    The cooling effects of a quantum LC micro-circuit coupled inductively with a single or an ensemble of artificial qubits are investigated. For appropriate bath temperatures and the resonator’s quality factors, we demonstrate ...
  • Nonlinear cooperative steady states of fröhlich phonons in biological objects 
    CIOBANU, Nellu; TRONCIU, V.Z.; RUSU, Dragos; ROTARU, Anatol (Tehnica UTM, 2012)
    Nonlinear cooperative stationary phenomena are studied at the interaction of Bose-condensed phonons with millimeter electromagnetic radiation in biological media. The real and imaginary parts of dielectric susceptibility ...
  • Optical correlation processors for high-speed objects recognition and localization 
    PERJU, Veacheslav; CASASENT, David; YOUNG, Rupert; PERJU, Veacheslav V. (Tehnica UTM, 2012)
    In the article there are presented the mathematical and structural descriptions of the basic model of the optical correlation processor, of the processor using the matrixes of the lasers and filters. In order to decrease ...
  • Optical spectra in the region of excitonic resonances in quantum wells and quantum dots of In0.3Ga0.7As/GaAs heterostructures 
    DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V.; IACOVLEV, V. (Technical University of Moldova, 2012)
    Lines conditioned by the transitions hh,lh1-e1(1s,2s,3s), hh2,lh2-e2(1s,2s,3s), hh1,lh1-e2(1s) and hh3,lh3-e3(1s) had been revealed in reflection spectra of In0.3 Ga0.7As / GaAs nanostructures. The shapes of the reflection ...

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