2005: Recent submissions

  • Gas sensors research and control system 
    BRAGARENCO, A.; PLOTNIC, P.; SONTEA, V. (2005)
    An installation for the gas sensors research has been made. The installation is connected to the computer by AT90S8535 microprocesor. The device allows obtaining the following dependences simultaneously: sensibility ...
  • Problems of the development of high frequency amplifiers and one of methods of their solution 
    MITITEL, V. V. (Technical University of Moldova, 2005)
    Problems of the development of high frequency amplifiers begin when we attempt to reach frequency 30MHz and above. They exist because of presence of input capacitance in the amplifying element. There is no element with the ...
  • Micro-coils based on cast microwire 
    ALEINIKOV, Evgheni; BADINTER, Efim; COLPACOVICI, Iulian; YOSHER, Albert (Technical University of Moldova, 2005)
    It has been appraised the optimal configuration of inductive coils with given sizes on the basis of cast microwire.
  • The gated amplifier - discriminator for measurement of temporary parameters of electronic schemes 
    MIRONOV, B.; MIRONOVA, M. (Technical University of Moldova, 2005)
    In practical experimental production both application of digital chips and other electronic circuits, it happens it is necessary to make their selection and classification on temporary parameters. The application of usual ...
  • New control techniques for hybrid regulator 
    BĂBĂIŢĂ, Mircea; PAPAZIAN, Petru; POPOVICI, Adrian; AVRAM, Adrian; TĂNASE, Mihail (Technical University of Moldova, 2005)
    The goal of this work is to study the performances of a hybrid controller used to control DC Motor drives. This study is made using computer simulation (MATLAB). In the first part, the basic notions of conventional and ...
  • Signal generating techniques using PIC16F84 microcontrollers 
    PAPAZIAN, Petru; BĂBĂIŢĂ, Mircea; POPOVICI, Adrian; AVRAM, Adrian; LIE, Ioan (Technical University of Moldova, 2005)
    Testing various electronic devices requires usually a well defined input signal, of a specified variation pattern in time. Since sine wave, triangular or rectangular patterns are easily obtained with common signal generators, ...
  • Digital signal generator for exciting an area of ultrasonic transducers 
    TANASE, Mihail Eugen; LIE, Ioan; MARINCA, Bogdan; BABAITA, Mircea (Technical University of Moldova, 2005)
    The authors are part of a larger staff, lead by prof. dr. ing. M. E. Tanase that have, for a long time, studied the optimal ultrasonic investigations in elastic mediums, especially in biological mediums. The digital signal ...
  • Optimizing the cost to quality ratio in ultrasonic imaging 
    LIE, Ioan; TĂNASE, Mihail Eugen (Technical University of Moldova, 2005)
    The paper deals with a part of the grant and phd research of the authors in obtaining quality ultrasonic images with a simple electronic equipment. Having in mind the fact that the image resolution increases with the number ...
  • Kernel selection for mean shift background tracking in video surveillance 
    CODRUT, Ianăşi; TOMA, Corneliu; GUI, Vasile; PESCARU, Dan (Technical University of Moldova, 2005)
    Nonparametric kernel density estimation has been successfully used in modeling the background statistics, in video surveillance, due to its capability to perform well without making any assumption about the form of the ...
  • On the errors in telemetering of the movement features with Doppler radiotelemetry system 
    POPA, Dan; TOMA, Corneliu; TĂNASE, Mihail (Technical University of Moldova, 2005)
    This paper is a result of the work done by the authors in the field of movement evaluation at low speed in the atmosphere and low costs of the movement execution. Theoretical and constructive solutions offered by telemetering ...
  • Inductance coils based on glass-coated cast microwire with magnetic coating 
    BADINTER, Efim; COLPACOVICI, Iulian; IOISHER, Anatol (Technical University of Moldova, 2005)
    Influence of a magnetic covering on parameters of coils from micro wire is examined.
  • SEPIC converter in boundary conduction mode for universal-line power factor correction applications 
    CISMASIU, Dorin (Technical University of Moldova, 2005)
    SEPIC converter operated in boundary conduction mode (BCM) for power factor applications is analyzed and designed. Power factor correction under boundary conduction operation mode can be achieved conveniently using a simple ...
  • Session borders controllers: next step in full deployment of voice over IP services 
    CONSTANTINESCU, Mihai Aurel; CERNAIANU, Doina Oana; CROITORU, Victor (Technical University of Moldova, 2005)
    Session Border Controllers (SBCs) became an important element in implementation of modern Voice over IP (VoIP) services, as service providers look to protect the integrity of their networks and business models while offering ...
  • MEMS switch design and analysis based on electromagnetic simulator 
    STEFAN, Simion (Technical University of Moldova, 2005)
    The paper presents a design procedure for a distributed switch consisting of an array of MEMSs (Micro-Electro-Mechanical-Systems) loading a CPW (CoPlanar Waveguide). The MEMS equivalent circuit is developed from the ...
  • A new high stability sine oscillator with simulated inductance 
    CIUGUDEAN, M.; FILIP, A.; AVRAM, A.; PANTIŞ, M. (Technical University of Moldova, 2005)
    A new sine LC oscillator is developed, with simulated inductance using two operational amplifiers. Thus, the oscillator becomes a RC one. The resulting parallel resonant LC circuit may provide a high quality factor, which ...
  • Noise measuring in TV channel 
    NICOLAE, George (Technical University of Moldova, 2005)
    This paper presents the experimentally results of noise measuring at TV receiver entrance. The experimentally measurements were concentrated onto determining the characteristics of the noise in UHF frequency band TV channels. ...
  • Web based application for electronic circuits simulation and signals analysis 
    TILIUTE, Doru Eugen (Technical University of Moldova, 2005)
    The aim of this paper is to present an application destined for electronic circuits simulation and for signals spectra analysis. The particularity of this application is that it is conceived to use the Web technologies ...
  • Design and evaluation of a digital wireless development platform 
    DE BACKER, Luc; DE STRYCKER, Lieven; GOEMAERE, Jean-Pierre (Technical University of Moldova, 2005)
    As Wireless Personal Area Networks (WPAN) become more popular, new features and functionalities are added to these devices. Where, in the beginning, only data transfer was required, nowadays e.g. location awareness of WPAN ...
  • Two – dimensional discret wavelet transform for multimedia applications 
    RĂDUCANU, Mircea; MATEESCU, Adelaida (Technical University of Moldova, 2005)
    The studies of the two-dimensional transforms presented in this paper were realized in order to obtain a clear and concise synthesis of multimedia video compression algorithms. These researches of the two-dimensional ...
  • Software synthesis for embedded systems using executable and translatable UML 
    CARAULEAN, Valeriu (Technical University of Moldova, 2005)
    In this paper are described Executable and Translatable UML and how it can be used in developing of Embedded Systems. Also, is evidentiated all benefits offered by automatic translation of UML models in source-code and ...

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