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SABRINA: A SAR Bistatic Receiver for Interferometric Applications

Sanz-Marcos, Jesus and Lopez-Dekker, Paco and Mallorqui, Jordi J. and Aguasca, Alberto and Prats, Pau (2007) SABRINA: A SAR Bistatic Receiver for Interferometric Applications. IEEE Geoscience and Remote Sensing Letters, 4 (2), pp. 307-311. IEEE. DOI: 10.1109/LGRS.2007.894144.

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This letter discusses the implementation of SABRINA, Synthetic Aperture radar Bistatic Receiver for Interferometric Applications. The ground resolution of a fixedreceiver bistatic system is studied, showing that it is comparable to that of a monostatic system. Due to the short distance from target to receiver, large sensitivity is obtained. The noncooperative nature of the bistatic system forces a conservative data-acquisition strategy based on continuously sampling the scattered signal during a temporal window around the predicted satellite verpass time. Also, to be able to synchronize the system in time and in frequency, sampling of a direct signal obtained through an antenna pointed at the satellite is required. Besides the signal processing required to phase-lock the received signal, the bistatic synthetic aperture radar processing needs to take into account the azimuth-dependent phase history. First focused images obtained with the SABRINA–ENVISAT combination are discussed.

Document Type:Article
Additional Information:©2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE
Title:SABRINA: A SAR Bistatic Receiver for Interferometric Applications
AuthorsInstitution or Email of Authors
Sanz-Marcos, JesusUniversitat Politècnica de Catalunya (UPC)
Lopez-Dekker, PacoUniversitat Politècnica de Catalunya (UPC)
Mallorqui, Jordi J.Universitat Politècnica de Catalunya (UPC)
Aguasca, AlbertoUniversitat Politècnica de Catalunya (UPC)
Date:April 2007
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Page Range:pp. 307-311
Keywords:Bistatic synthetic aperture radar, interferometry,sensor of opportunity, synthetic aperture radar (SAR).
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt ENVISAT (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Dr. Pau Prats
Deposited On:23 May 2007
Last Modified:12 Dec 2013 20:24

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