Search Results - "Belouchrani, A."

A comparison between wind speed distributions derived from the maximum entropy principle and Weibull distribution. Case of study; six regions of Algeria by Chellali, F., Khellaf, A., Belouchrani, A., Khanniche, R.

“…The knowledge of the probability density function of wind speed is of paramount importance in many applications such as wind energy conversion systems and…”
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Wavelet spectral analysis of the temperature and wind speed data at Adrar, Algeria by Chellali, F., Khellaf, A., Belouchrani, A.

“…Spectra of many meteorological data such as wind speed and temperature are time variable. Thus a Fourier analysis is not sufficient. In the present work, the…”
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Blind source separation based on time-frequency signal representations by Belouchrani, A., Amin, M.G.

“…Blind source separation consists of recovering a set of signals of which only instantaneous linear mixtures are observed. Thus far, this problem has been…”
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A blind source separation technique using second-order statistics by Belouchrani, A., Abed-Meraim, K., Cardoso, J.-F., Moulines, E.

“…Separation of sources consists of recovering a set of signals of which only instantaneous linear mixtures are observed. In many situations, no a priori…”
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A new Jacobi-like method for joint diagonalization of arbitrary non-defective matrices by Iferroudjene, R., Abed Meraim, K., Belouchrani, A.

“…This paper addresses the problem of joint diagonalization of a set of matrices. A new Jacobi-Like method that has the advantages of computational efficiency…”
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Constant modulus algorithms using hyperbolic Givens rotations by Ikhlef, A., Iferroujene, R., Boudjellal, A., Abed-Meraim, K., Belouchrani, A.

“…We propose two new algorithms to minimize the constant modulus (CM) criterion in the context of blind source separation. The first algorithm, referred to as…”
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Estimation of Multicomponent Polynomial-Phase Signals Impinging on a Multisensor Array Using State-Space Modeling by Adjrad, M., Belouchrani, A.

“…This contribution addresses the problem of estimating the parameters of multicomponent polynomial-phase signals when impinging on a multisensor array. An…”
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Maximum likelihood angle-frequency estimation in partially known correlated noise for low-elevation targets by Djeddou, M., Belouchrani, A., Aouada, S.

“…In radar applications, the received echo signals reach the array elements via a multiplicity of paths despite the fact that there exists only one target. We…”
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Identification and analysis of wind speed patterns extracted from multi-sensors measurements by Chellali, F., Khellaf, A., Belouchrani, A.

“…The understanding of the vertical as well as the horizontal behaviours of wind speed is of great importance in many applications such as aviation, meteorology…”
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Time-frequency MUSIC by Belouchrani, A., Amin, M.G.

“…A new method for the estimation of the signal subspace and noise subspace based on time-frequency signal representations is introduced. The proposed approach…”
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Floating-point scaling technique for sources separation automatic gain control by Fermas, A., Belouchrani, A., Ait-Mohamed, O.

“…Based on the floating-point representation and taking advantage of scaling factor indetermination in blind source separation (BSS) processing, we propose a…”
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Experimental analysis of the correlation between martensitic transformation plasticity and the austenitic grain size in steels by Boudiaf, A., Taleb, L., Belouchrani, M.A.

“…This work investigates the effect of the Austenite Grain Size (AGS) on the thermo-mechanical behavior of 35NiCrMo16 steel during the martensitic transformation…”
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Voltage sags estimation in three-phase systems using Unconditional Maximum Likelihood estimation by Choqueuse, V., Belouchrani, A., Bouleux, G., Benbouzid, M. E. H.

“…This paper focuses on the estimation of voltage sags in three-phase power systems. Specifically, it proposes a new approach for estimating the amplitude and…”
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Blind separation of nonstationary sources by Belouchrani, A., Abed-Meraim, K., Amin, M.G., Zoubir, A.M.

“…We propose a blind separation technique for nonstationary sources that exploits both auto-terms and cross-terms of the time-frequency distributions. The…”
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Analysis of the cyclic behavior and fatigue damage of extruded AA2017 aluminum alloy by May, A., Taleb, L., Belouchrani, M.A.

“…The present work is devoted to study the anisotropic behavior of an extruded aluminum alloy under cyclic loading in axial and shear directions. In first, we…”
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Fault Diagnosis in Industrial Induction Machines Through Discrete Wavelet Transform by Bouzida, A., Touhami, O., Ibtiouen, R., Belouchrani, A., Fadel, M., Rezzoug, A.

“…This paper deals with fault diagnosis of induction machines based on the discrete wavelet transform. By using the wavelet decomposition, the information on the…”
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Direction finding in correlated noise fields based on joint block-diagonalization of spatio-temporal correlation matrices by Belouchrani, A., Amin, M.G., Abed-Meraim, K.

“…Direction of arrival (DOA) estimation techniques require knowledge of the sensor-to-sensor correlation of the noise, which constitutes a significant drawback…”
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Improved order-statistics-based noise power estimator by Boudjellal, A., Abed-Meraim, K., Belouchrani, A., Ravier, Ph

“…This paper proposes an Order-Statistics (OS) based method for the robust estimation of the noise power. By deriving the analytic expression of the OS method,…”
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An analysis of the elastic properties of a porous aluminium oxide film by means of indentation techniques by Hemmouche, L., Chicot, D., Amrouche, A., Iost, A., Belouchrani, M.A., Decoopman, X., Louis, G., Puchi-Cabrera, E.S.

“…The elastic modulus of thin films can be directly determined by instrumented indentation when the indenter penetration does not exceed a fraction of the film…”
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An extension of the static shakedown theorem to inelastic cracked structures by Belouchrani, M.A., Weichert, D.

“…Here we have investigated under which conditions elastic-perfectly plastic, cracked bodies subjected to variable loads shake down. For this purpose, an…”
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