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Auteur Xueru Bai |
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Narrow-band interference suppresion for SAR based on independent component analysis / Feng Zhou in IEEE Transactions on geoscience and remote sensing, vol 51 n° 10 (October 2013)
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Titre : Narrow-band interference suppresion for SAR based on independent component analysis Type de document : Article/Communication Auteurs : Feng Zhou, Auteur ; Mingliang Tao, Auteur ; Xueru Bai, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : pp 4952 - 4960 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications
[Termes IGN] analyse en composantes indépendantes
[Termes IGN] brouillage
[Termes IGN] écho radar
[Termes IGN] image radar moirée
[Termes IGN] interférence
[Termes IGN] seuillage d'imageRésumé : (Auteur) The narrow-band interference (NBI) is a common jamming signal against synthetic aperture radar (SAR), which can degrade the imaging quality severely. This paper proposes a new method for NBI suppression in the data domain based on the independent component analysis (ICA). In this method, echoes contaminated by the NBI are identified in the frequency domain. Next, time filtering and whitening are performed to the identified echoes. Then, the ICA is carried out to decompose the echoes into a series of basis signals, and the jamming components are selected by thresholding. Finally, the NBI is reconstructed and subtracted from the echoes, and the well-focused SAR imagery is obtained by conventional imaging methods. The proposed method copes well with the time-varying NBI with little signal loss. Results of simulated and measured data have proved the validity of the proposed method. Numéro de notice : A2013-600 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2013.2244605 En ligne : https://doi.org/10.1109/TGRS.2013.2244605 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32736
in IEEE Transactions on geoscience and remote sensing > vol 51 n° 10 (October 2013) . - pp 4952 - 4960[article]Exemplaires(1)
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