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Space-based surface change detection with differential synthetic-aperture radar (SAR) interferometry: Potentialities and preliminary investigations / Antonio Vettore in Geomatica, vol 57 n° 3 (September 2003)

Public [article]  inGeomatica > vol 57 n° 3 (September 2003) . - pp 326 - 334 Titre : Space-based surface change detection with differential synthetic-aperture radar (SAR) interferometry: Potentialities and preliminary investigations Type de document : Article/Communication Auteurs : Antonio Vettore, Auteur ; S. Ponte, Auteur ; N. Crocetto, Auteur Année de publication : 2003 Article en page(s) : pp 326 - 334 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications [Termes IGN] déformation de la croute terrestre [Termes IGN] géophysique interne [Termes IGN] image ERS-SAR [Termes IGN] image radar moirée [Termes IGN] interferométrie différentielle [Termes IGN] interféromètrie par radar à antenne synthétique [Termes IGN] Italie Résumé : (Auteur) The capability of measuring small crustal deformation by means of differential Synthetic Aperture Radar (SAR) interferometry (DIFSAR) is investigated in this work. After outlining the mathematical background inherent to the principles of differential SAR interferometry and showing the potential and limits of theinformation content of spaceborne DIFSAR data, the analysis of the impact of this technique is carried out on some interferometric couples gathered in 1996 by the ERS-1/ERS-2 (European Remote Sensing Satellite) tandem mission. The imaged scene is a portion of the Sannio-Matese mountainous area (Southern Italy). Suitable interferometric couples are processed and analyzed in order to show potentialities of detecting surface deformation by means of DIFSAR data, and derive qualitative information on the relationship between DIFSAR-based change detection and the time scale of crustal dynamics, by investigating the effectiveness of the technique as function of the scene coherence. Preliminary result confirm the feasability of the technique, even the cost of sophisticated processing and careful error analysis. Numéro de notice : A2003-301 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22597 [article]

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