Passive SAR imaging using the ASAR instrument of ENVISAT as transmitter of opportunity.

Virginie Kubica, Xavier Neyt

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdragepeer review

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Samenvatting

The ASAR instrument of ENVISAT can operate in ImageMode (stripmap-likemode) and in ScanSAR mode (burst mode) in which five sub-swaths are used to image large swaths at the expense of azimuth resolution. The poor azimuth resolution of the ScanSAR mode in monostatic configuration can be enhanced in the case of a bistatic configuration with a receiver close to the imaged area by using the sidelobe emissions of the beams illuminating the adjacent sub-swaths in addition to the mainlobe emissions of the beam illuminating the considered sub-swath. In this paper, we describe the exploitation of the low azimuth resolution ScanSAR modes of the ASAR instrument and assess how the azimuth resolution can be improved from the nominal azimuth resolution based on real data acquired by a ground-based receiver.

Originele taal-2Engels
TitelEUSAR 2012; 9th European Conference on Synthetic Aperture Radar
UitgeverijInstitute of Electrical and Electronics Engineers Inc.
Pagina's275-278
Aantal pagina's4
ISBN van elektronische versie9783800734047
StatusGepubliceerd - 2012
Evenement9th European Conference on Synthetic Aperture Radar, EUSAR 2012 - Nuremberg, Duitsland
Duur: 23 apr. 201226 apr. 2012

Publicatie series

NaamProceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Volume2012-April
ISSN van geprinte versie2197-4403

Congres

Congres9th European Conference on Synthetic Aperture Radar, EUSAR 2012
Land/RegioDuitsland
StadNuremberg
Periode23/04/1226/04/12

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