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Model order estimation of InSAR signals corrupted by multiplicative noise using the Capon method

Auteurs : OULDALI Abdelaziz, CHIBANE Farid, ZIANI Tahar
Année : 2004
Domaine : Electronique
Type : Communication
Conférence: First International Symposium on Control, Communication and Signal Processing
Résumé en PDF : (résumé en pdf)
Fulltext en PDF : (.pdf)
Mots clés : Model order estimation, information theoretic criteria, multiplicative noise, Multicomponent signals, SAR interferometry, Capon method

Résumé :

In this paper, we compare the performance of the Capon approach and the efficient detection criteria when applied to model order estimation of InSAR signals corrupted by multiplicative noise and additive white noise. This study is done in terms of the normalized baseline, the number of looks, the signal to noise ratio and the interferometric phase separation. Through the numerical simulations, we show, except the case of very closed sources, that the Capon method has the best performances.