A multi-Gaussian component EDA with restarting applied to direction of arrival tracking

This paper analyzes the application of a multi-population Gaussian-based estimation of distribution algorithm equipped with a restarting strategy and mutation, named MGcEDA, to the problem of estimating the Direction of Arrival (DOA) of time-varying plane waves impinging on a uniform linear array of...

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Main Authors: Goncalves, Andre R., Boccato, Levy, Attux, Romis, Von Zuben, Fernando J.
Format: Conference Proceeding
Language:English
Subjects:
Covariance matrices
Direction of Arrival estimation
Estimation
Estimation of distribution algorithm
Heuristic algorithms
Optimization in dynamic environments
Sensors
Sociology
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Boccato, Levy
Attux, Romis
Von Zuben, Fernando J.
description This paper analyzes the application of a multi-population Gaussian-based estimation of distribution algorithm equipped with a restarting strategy and mutation, named MGcEDA, to the problem of estimating the Direction of Arrival (DOA) of time-varying plane waves impinging on a uniform linear array of sensors. This problem requires the minimization of a dynamic cost function which is non-linear, non-quadratic, multimodal and variant with respect to the signal-to-noise ratio. Experiments showed that MGcEDA was able to quickly respond to changes in the source features in scenarios with different levels of noise and number of signals. Moreover, MGcEDA outperforms a previously proposed approach in all considered experiments in terms of well known performance measures.
doi_str_mv 10.1109/CEC.2013.6557747
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subjects Covariance matrices
Direction of Arrival estimation
Estimation
Estimation of distribution algorithm
Heuristic algorithms
Optimization in dynamic environments
Sensors
Sociology
title A multi-Gaussian component EDA with restarting applied to direction of arrival tracking
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