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Versione:
1.0
Approvato
it-IT
it-IT
en-US
LDO-ID
2014-02-20-10
Titolo
Median matrices and their application to radar training data selection
Abstract
This paper deals with the problem of covariance matrix estimation for radar signal processing applications. We propose and analyze a class of estimators which do not require any knowledge about the probability distribution of the sample support and exploit the characteristics of the positive definite matrix space. Any estimator of the class is associated with a suitable distance in the considered space and is defined as the median matrix of some basic covariance matrix estimates obtained from the available secondary data set. Then, we apply the new devised estimators to the problem of secondary data selection and compare their performances with those obtained using geometric barycenters.
Autori
Aubry Augusto, De Maio Antonio, Pallotta Luca, Farina Alfonso, Fantacci Claudio
Tipologia
Paper for Seminar/Symposium/Conference
Media
IRS 2013 - International Radar Symposium (19-21 June 2013, Dresden, Germany)
Sito web
Anno
2014
Annulla
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2024-10-09T09:46:46Z
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