Articole științifice/Scientific articles: Recent submissions

  • Lossless handover scheme for Mobile ATM networks [articol] 
    Moise, Marius (Timişoara : Editura Politehnica, 2004)
  • State-space control structures for buck converters with/without input filter [articol] 
    Keller, Günter; Lascu, Dan Florentin (Timişoara : Editura Politehnica, 2004)
    Power supplies normally provide a constant output voltage. In most of the applications a DC/DC-converter is controlled by a voltage mode or a current mode controller. Often these controller types are combined with feed ...
  • A new way to build a very fast binary adder [articol] 
    Jurcă, Lucian Aurel; Maranescu, Valentin-Ioan (Timişoara : Editura Politehnica, 2004)
    This article presents a new way to build a very fast binary adder and the simulation results for a 32-b adder which confirmed that the operation speed is superior to other types of adders found in field literature. The ...
  • New interleaver design algorithms with enhanced B.E.R. performances [articol] 
    Halunga-Fratu, Simona; Fratu, Octavian (Timişoara: Editura Politehnica, 2004)
    This paper investigates some aspects of turbo encoder and decoder parameters design effects on the overall system performances. A new interleaver structure is presented, which, combining the block and hibrid strategies, ...
  • A management service for student examination results with nomadic access [articol] 
    Cremene, Marcel; Benţa, Iulian; Chira, Ligia; Loghin, Călin (Timişoara : Editura Politehnica, 2004)
    The paper subject is related to the fields of e-learning and distance learning. We are proposing an electronic classbook with nomadic access and SMS notification. The idea is to integrate a result management system with a ...
  • Parameter estimation of the chirp signal [articol] 
    Chioncel, Cristian Paul; Gál, János (Timişoara : Editura Politehnica, 2004)
    The paper presents the characteristics of the parameters of the chirp signal, and the situations where this signal intervene. Using Kalman filtering, a few parameters of the chirp signal will be estimated, such as frequency ...
  • Feature extraction and speech labeling for continuous speech recognition [articol] 
    Căruntu, Alexandru; Toderean, Gavril (Timişoara : Editura Politehnica, 2004)
    Speech analysis and speech labeling are two important issues of any speech recognition system. Due to the fact that speech is analyzed on short - time intervals it is hard to make a visual interface for analysis. On the ...
  • Development framework for hardware implementation of digital neural network used in smart sensors [articol] 
    Buchman, Attila; Oniga, Ştefan (Timişoara : Editura Politehnica, 2004)
    This paper presents a development platform for the implementation of digital neural network used in Sensor System for an Artificial Hand. The use of neural networks to add learning and adaptive behavior to smart sensors ...
  • Some aspects about frequency hopping radio networks [articol] 
    Bechet, Paul; Demeter, Ştefan; Mitran, Radu; Miclăuş, Simona (Timişoara : Editura Politehnica, 2004)
    As part of the management activity specific for modern frequency hopping radio systems, the interference studies include the Adjacent Channel Interference (ACI) level and the Co-Channel Interference (CCI) level. The paper ...
  • Excitation modeling in CELP speech coders [articol] 
    Balint, Cornel (Timişoara : Editura Politehnica, 2004)
    The introduction of CELP (Codebook Excited Linear Prediction) speech coding provided an efficient way to compress speech data to 4.8 kbps with high quality, but with the disadvantage of great computational complexity ...
  • On the use of Modelica modelling language in modelling and simulation of electronic circuits [articol] 
    Aiordăchioaie, Dorel (Timişoara : Editura Politehnica, 2004)
    The work is related to the use of Modelica modelling language, object oriented and physical decomposition based, as a neutral modelling language in the modelling of the electronic circuits. Such a language is suitable for ...
  • Alkyphosphate chromatographic index estimation by computational methods [articol] 
    Funar-Timofei, Simona; Kurunczi, Ludovic; Ilia, Gheorghe (Timişoara : Editura Politehnica, 2008)
    The chromatographic retention is based on the interaction between the solute and the stationary phase, which may include dispersion forces, hydrogen bonds, etc. In this study structure-retention relationships were applied ...
  • A few aspects about the manufacturing process of five and two additives metal oxides varistors [articol] 
    Frigură-Iliasa, Mihaela; Tămaş, Andra Dana (Timişoara : Editura Politehnica, 2004)
    ZnO based varistors are today used for making state of the art surge arresters for all voltage levels. Essentially they are “n” semi-conductor ceramics made of ZnO (more than 90% molar percents) and many other oxides having ...
  • A correlation analysis of measured CO-concentration signals [articol] 
    Ionel, Sabin (Timişoara : Editura Politehnica, 2004)
    Ideal low-pass filtering can be used as a useful pre-processing method in order to eliminate the measuring noise from signals representing CO-concentration. Thereafter, the correlation coefficient proves to be a suitable ...
  • Compensated CMOS delay cells over process, voltage and temperature variations [articol] 
    Ionaşcu, Cristian; Burdia, Dănuţ; Dimitriu, Bogdan (Timişoara : Editura Politehnica, 2004)
    One of the challenges in digital systems is the distribution of the generated on-chip clock with a small uncertainty. In this paper a high performance compensated delay cell concept it is presented. It is based on a current ...
  • The measurement of dc magnetic field [articol] 
    Ignea, Alimpie,; Mihăiuţi, Adrian (Timişoara : Editura Politehnica, 2004)
    The measurement of dc magnetic field, especially for low intensities, returns in actuality. Beyond the importance of measuring the terrestrial magnetic field with his variations, a large amount of new standards concerning ...
  • Multicasting in Diffserv domains [articol] 
    Galaţchi, Dan; Zoican, Roxana (Timişoara : Editura Politehnica, 2004)
    In this paper we identify and analyze the main problems that occur when combining the DiffServ approach with the multicast in ordinary networks and mobile networks. Based on this we motivate our proposed solutions and the ...
  • QRD-LSL algorithm suitable for implementation on D.S.P. [articol] 
    Enescu, Andrei Alexandru; Paleologu, Constantin; Ciochină, Silviu (Timişoara : Editura Politehnica, 2004)
    This paper deals with modifications brought to the QRD-LSL algorithm presented in [5], in order to implement it on Digital Signal Processor (DSP). It is necessary to choose a powerful processor, with a parallel architecture ...
  • Digital video broadcasting terrestrial modulator implemented on Motorola MSC8101 DSP [articol] 
    Ene, Daniel Victoraș; Udrea, Radu Mihnea; Pirnog, Ionuț; Sucholotiuc, Cristina (Timişoara : Editura Politehnica, 2004)
    This paper presents implementation aspects of a DVB-T modulator on MSC8101 Motorola DSP. It gives a general description of the DVB-T system, but it also identifies all the main processes applied to the data stream: starting ...
  • Unsuitable landfills – necessity of closure and problems to solve [articol] 
    Beilicci, Erika Beata Maria; Beilicci, Robert Florin (Timişoara : Editura Politehnica, 2018)
    Unsuitable landfills contain significant amounts of waste accumulated over the years, representing significant sources of soil, air and groundwater pollution and population illness. There is a need to identify the problems ...

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