Search Results - "Guidorzi, Roberto"

Positive output/state maps and quasi-positive realization of MIMO discrete systems by Guidorzi, Roberto

“…The positive realization of externally positive systems described by their transfer matrix G(z) is a complex problem whose analysis has been completed only…”
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The Frisch scheme in multivariable errors-in-variables identification by Diversi, Roberto, Guidorzi, Roberto

“…This paper concerns the identification of multivariable errors-in-variables (EIV) models, i.e. models where all inputs and outputs are assumed as affected by…”
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Structural monitoring of a tower by means of MEMS-based sensing and enhanced autoregressive models by Guidorzi, Roberto, Diversi, Roberto, Vincenzi, Loris, Mazzotti, Claudio, Simioli, Vittorio

“…Structural Health Monitoring (SHM) methodologies are taking advantage of the development of new families of MEMS sensors and of the available network…”
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Identification of ARX and ARARX Models in the Presence of Input and Output Noises by Diversi, Roberto, Guidorzi, Roberto, Soverini, Umberto

“…ARX (AutoRegressive models with eXogenous variables) are the simplest models within the equation error family but are endowed with many practical advantages…”
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Maximum likelihood identification of noisy input–output models by Diversi, Roberto, Guidorzi, Roberto, Soverini, Umberto

“…This work deals with the identification of errors-in-variables models corrupted by white and uncorrelated Gaussian noises. By introducing an auxiliary process,…”
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Optimal filtering of multivariate noisy AR processes by Diversi, Roberto, Guidorzi, Roberto

“…Autoregressive (AR) models play a role of paramount importance in the description of scalar and multivariate time series and find many applications in…”
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Identification of the maximal number of linear relations from noisy data by Guidorzi, Roberto P.

“…The problem of evaluating the maximal number of linear relations compatible with data affected by additive noise is considered in the context of the Frisch…”
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Identification of autoregressive models in the presence of additive noise by Diversi, Roberto, Guidorzi, Roberto, Soverini, Umberto

“…A common approach in modeling signals in many engineering applications consists in adopting autoregressive (AR) models, consisting in filters with transfer…”
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Estimating the number of signals in the presence of nonuniform noise by Diversi, Roberto, Guidorzi, Roberto, Soverini, Umberto

“…An important problem in sensor array processing is the estimation of the number of transmitted signals. Most of the proposed solutions rely on the assumption…”
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Fast filtering of noisy autoregressive signals by Diversi, Roberto, Guidorzi, Roberto

“…Autoregressive (AR) models are used in a wide variety of applications concerning the recovery of signals from noise-corrupted observations. In all real…”
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Blind identification and equalization of multichannel FIR systems in unbalanced noise environments by Guidorzi, Roberto, Diversi, Roberto, Soverini, Umberto

“…This paper considers the problem of identifying and equalizing a set of FIR channels driven by the same input sequence and with outputs affected by unknown…”
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Speech Enhancement Combining Optimal Smoothing and Errors-In-Variables Identification of Noisy AR Processes by Bobillet, W., Diversi, R., Grivel, E., Guidorzi, R., Najim, M., Soverini, U.

“…In the framework of speech enhancement, several parametric approaches based on an a priori model for a speech signal have been proposed. When using an…”
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Kalman filtering in extended noise environments by Diversi, R., Guidorzi, R., Soverini, U.

“…This note introduces an extended environment for Kalman filtering that considers also the presence of additive noise on input observations in order to solve…”
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Quasi-positive realization of externally positive discrete systems by Guidorzi, Roberto

“…The positive realization of externally positive systems described by their transfer matrix H(z) is a difficult problem whose analysis has been completed only…”
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Minimal representations of MIMO time-varying systems and realization of cyclostationary models by Guidorzi, Roberto, Diversi, Roberto

“…This paper describes a family of minimally parameterized state-space models for completely n-step observable multi-input multi-output time-varying systems and…”
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Errors-In-Variables-Based Approach for the Identification of AR Time-Varying Fading Channels by Jamoos, A., Grivel, E., Bobillet, W., Guidorzi, R.

“…This letter deals with the identification of time-varying Rayleigh fading channels using a training sequence-based approach. When the fading channel is…”
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Optimal errors-in-variables filtering by Guidorzi, Roberto, Diversi, Roberto, Soverini, Umberto

“…This paper deals with optimal (minimal variance) filtering in an errors-in-variables framework. Differently from many other contexts, errors-in-variables…”
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Identification of ARX and ARARX Models in the Presence of Input and Output Noises. Discussion by DIVERSI, Roberto, GUIDORZI, Roberto, SOVERINI, Umberto, AGÜERO, Juan C, YUZ, Juan I, GOODWIN, Graham C

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Blind identification and equalization of two-channel FIR systems in unbalanced noise environments by Diversi, Roberto, Guidorzi, Roberto, Soverini, Umberto

“…Blind identification is a very significant problem in many contexts where only the output of transmission channels can be observed. The solutions that can be…”
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Algorithms for optimal errors-in-variables filtering by Diversi, Roberto, Guidorzi, Roberto, Soverini, Umberto

“…This paper introduces a new algorithm for optimal filtering of data generated by errors-in-variables processes and compares its efficiency with that of two…”
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