CEBRAS: Cross Elevation Beam Range Ambiguity Suppression for High-Resolution Wide-Swath and MIMO-SAR Imaging

Krieger G, Huber S, Villano M, Younis M, Rommel T, Dekker PL, De Almeida FQ, Moreira A (2015)

Publication Type: Conference contribution

Publication year: 2015

Publisher: Institute of Electrical and Electronics Engineers Inc.

Edited Volumes: International Geoscience and Remote Sensing Symposium (IGARSS)

Book Volume: 2015-November

Pages Range: 196-199

Conference Proceedings Title: IEEE International Geoscience and Remote Sensing Symposium (IGARSS)

ISBN: 9781479979295

URI: https://elib.dlr.de/95064/

DOI: 10.1109/IGARSS.2015.7325733

Abstract

In this paper we propose a new hybrid technique to suppress range ambiguities in spaceborne SAR systems with multiple elevation beams. First, conventional scan-on-receive (SCORE) is performed in real-time onboard the satellite by employing a set of dispersive beams that maximize the collected signal energy for each transmitted pulse. The range ambiguities are then removed in a second step by a joint processing of the signals collected by the multiple elevation beams. The suggested two-stage approach has the advantage that a more robust range ambiguity suppression, which may involve advanced nulling techniques to account for local topography as well as satellite attitude and instrument phase errors, can be performed on ground without tremendously increasing the onboard processing demands or the data downlink volume.

Authors with CRIS profile

Gerhard Krieger

Additional Organisation(s)

Professur für Kognitive Radarsysteme für die Fernerkundung

Involved external institutions

Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) / German Aerospace Center DE Germany (DE)

How to cite

APA:

Krieger, G., Huber, S., Villano, M., Younis, M., Rommel, T., Dekker, P.L.,... Moreira, A. (2015). CEBRAS: Cross Elevation Beam Range Ambiguity Suppression for High-Resolution Wide-Swath and MIMO-SAR Imaging. In IEEE International Geoscience and Remote Sensing Symposium (IGARSS) (pp. 196-199). Institute of Electrical and Electronics Engineers Inc..

MLA:

Krieger, Gerhard, et al. "CEBRAS: Cross Elevation Beam Range Ambiguity Suppression for High-Resolution Wide-Swath and MIMO-SAR Imaging." Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015 Institute of Electrical and Electronics Engineers Inc., 2015. 196-199.

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