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Titolo:
INFORMATIVE PRIORS FOR MINIMUM CROSS-ENTROPY POSITIVE TIME-FREQUENCY DISTRIBUTIONS
Autore:
SHAH SI; LOUGHLIN PJ; CHAPARRO LF; ELJAROUDI A;
Indirizzi:
UNIV PITTSBURGH,DEPT ELECT ENGN PITTSBURGH PA 15261
Titolo Testata:
IEEE signal processing letters
fascicolo: 6, volume: 4, anno: 1997,
pagine: 176 - 177
SICI:
1070-9908(1997)4:6<176:IPFMCP>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
NONSTATIONARY SIGNALS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
S.I. Shah et al., "INFORMATIVE PRIORS FOR MINIMUM CROSS-ENTROPY POSITIVE TIME-FREQUENCY DISTRIBUTIONS", IEEE signal processing letters, 4(6), 1997, pp. 176-177

Abstract

A method for generating an informative prior when constructing a positive time-frequency distribution (TFD) by the method of the minimum cross-entropy (MCE) is developed, The prior is obtained from a combination of the Wigner distribution (WD) and the evolutionary periodogram, and results in a more informative MCE-TFD, as quantified via the mutualinformation of the distribution, The procedure allows any of the bilinear distributions to be used in the prior, Examples illustrate the performance of the new technique.

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Documento generato il 03/07/20 alle ore 01:33:11