Facultatea Electronică şi Telecomunicaţii: Recent submissions

Now showing items 861-880 of 1268

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 ...
Unele aspecte de exploatare a documentelor Web în scopurile morfologiei computaționale

PETIC, Mircea (Tehnica UTM, 2012)

The paper deals with the computational derivational morphology mechanisms which permit automatic acquisition of the lexical resources for the Romanian language. In this context, the possibilities of derivational sequence ...
Analiza comparativă la acordarea regulatoarelor la modele de obiecte cu inerţie de ordinul doi şi astatism

IZVOREANU, Bartolomeu; COJUHARI, Irina (Tehnica UTM, 2012)

In this paper is proposed an iterative algorithm of tuning the P, PI and PID controllers to the models of objects with inertia second order and astatism. The proposed algorithm uses the maximal stability degree method. ...
Dezvoltarea sistemului de tip „întrebare-răspuns”

BOBICEV, Victoria; CARCEA, Liviu (Tehnica UTM, 2012)

The paper presents a question-answering system created in the project „Research in the field of Information Retrieval for question answering system creation”. The system consist of question analysis module and answer ...
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 ...
Autotestarea pseudoinelară a microcontrolerelor nanosatelitului SATUM

GRIŢCOV, Serghei; GHINCUL, Alexandru; BODEAN, Ghenadie (Tehnica UTM, 2012)

În lucrare se analizează autotestarea memoriei incorporate a microcontrolerelor din familia MSP430 bazată pe metoda de testare pseudo-inelară a dispozitivelor de memorie. Sunt expuse exemple de programe FLASH şi SRAM de ...
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 ...
Arbitrarea interacţiunii procesoarelor microcalculatorului de bord al microsatelitului

GÎRŞCAN, Andrian; RUSU, Igor; SECRIERU, Nicolaie (Tehnica UTM, 2012)

In this paper we designed and developed undergraduate arbitrary mode of interaction of the computer processor board of microsatellite. Whose main purpose is to develop a microsatellite. In this paper we have reached such ...
Acordarea regulatoarelor tipizate în sisteme de reglare în cascadă la modele de obiecte cu inerţie şi cu fază neminimă

COJUHARI, Irina; IZVOREANU, Bartolomeu (Tehnica UTM, 2012)

A tuning algorithm of linear controllers P, PI, PID in multiple-loop feedback control systems is proposed in this paper. The control objects consist of two subprocesses, which are described by dynamical models with inertia ...
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. ...
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 ...
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 ...
Detection in the contacts with bismuth-antimony alloy when the surface states have the big density

KERNER, Iacov (Technical University of Moldova, 2012)

Diode detectors (DD) are widely used in electronic information and communication systems. In this paper the numerical modeling of the electrical potential distribution and current passing in the contacts of niobium nitride ...
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 ...
Production and comparative study of ZnO films obtained by magnetron sputtering, MOCVD and electrochemical deposition

RUSU, E.; BURLACU, A.; ZALAMAI, V.; URSAKI, V.; PRILEPOV, V. (Technical University of Moldova, 2012)

It was found that the morphology, electrical and luminescence properties of ZnO layers obtained by Magnetron sputtering, MOCVD and Electrochemical deposition can be controlled by technological parameters such as the ratio ...
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 ...
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. ...
Problema căutării polinoamelor ireductibile asupra extensiei câmpurilor Galois

BODEAN, D.; BODEAN, Gh. (Tehnica UTM, 2012)

In this work the solution of searching irreducible polynomials over extension Galois field is presented. The proposed algorithm is based on the trace generation and testing the subperiods resulted from factorization the ...
Phonon engineered suppression of lattice thermal conductivity in segmented and cross-section modulated silicon nanowires

NIKA, Denis (Technical University of Moldova, 2012)

The strong suppression of lattice (phonon) thermal conductivity in segmented nanowires, consisting of acoustically-mismatched materials, as well as in cross-section modulated Si nanowires is theoretically demonstrated using ...
Etalonarea canalelor de transmisie cu fibra optica din transformatoarele electronice de masurare a curentului

POPESCU, Marinel; MANTA, Alexandru (Tehnica UTM, 2012)

Precise measurement of currents and voltages in the presence of intense electric and magnetic fields requires to adjust transmission channel parameters. The best results are obtained if the measuring signal is converted ...

Recently added

Facultatea Electronică şi Telecomunicaţii: Recent submissions

Search DSpace

Browse

All of DSpace

This Community

My Account