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Browsing Articole științifice/Scientific articles by Author "Feştilă, Lelia"

Browsing Articole științifice/Scientific articles by Author "Feştilă, Lelia"

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  • An analog computing circuit for SVM classifiers [articol] 
    Feştilă, Lelia; Szolga, Lorant Andras; Cîrlugea, Mihaela; Gordan, Mihaela (Timişoara: Editura Politehnica, 2006)
    We propose an analog nonlinear current-mode circuit for computing the decision function in a SVM classifier based on radial basis kernels. The validity of design and operation was proved by simulations.
  • Linearity considerations for adaptively biased transconductors with applications in continuous time filters [articol] 
    Rus, Cristian Matei; Feştilă, Lelia; Hintea, Sorin (Timişoara: Editura Politehnica, 2006)
    This paper discuses the approach of increasing the linearity of transconductor cells using adaptive bias currents. Adaptive biasing proves to be a powerful technique that may be used to obtain a very linear voltage-to-current ...
  • A log-domain circuit design method based on F-1 N F models [articol] 
    Feştilă, Lelia; Groza, Robert; Fazakas, Albert; Cîrlugea, Mihaela; Hintea, Sorin (Timişoara : Editura Politehnica, 2004)
    We developed in [1] a systematic modular design method for externally linear internally nonlinear (ELIN) circuits. This is a general and unitary approach for reconfiguring a linear block diagram into an equivalent ELIN ...
  • Log-domain multipliers for VLSI architectures [articol] 
    Feştilă, Lelia; Groza, Robert; Szolga, Lorant Andras; Hintea, Sorin (Timişoara: Editura Politehnica, 2006)
    We propose new modular configurations for one-, two-, and four quadrant multipliers in order to be used in large dimension circuits, like analog support vector machines or neural networks. Some investigations on these ...
  • SVM classifier using LUT-based RAM on a Spartan 3 FPGA [articol] 
    Fazakas, Albert; Cârlugea, Mihaela; Feştilă, Lelia (Timişoara: Editura Politehnica, 2006)
    Support Vector Machines are widely used in pattern recognition, being the newest achievements in neural network structures. This paper presents an implementation example of an SVM classification function using a Spartan3 ...
  • Using SINH-Z building blocks in linear applications [articol] 
    Fazakas, Albert; Feştilă, Lelia; Groza, Robert (Timişoara : Editura Politehnica, 2004)
    The SINH building block is used in the design of hyperbolic circuits. In this paper, starting from an existing lossy integrator structure with hyperbolic circuits, an alternative connection of the SINH block is proposed. ...

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