Calibration of airborne SAR interferograms using multisquint-processed image pairs

Pau Prats; Jordi J. Mallorqui; Andreas Reigber; Antoni Broquetas

doi:10.1117/12.512369

12 January 2004 Calibration of airborne SAR interferograms using multisquint-processed image pairs

Pau Prats, Jordi J. Mallorqui, Andreas Reigber, Antoni Broquetas

Proceedings Volume 5236, SAR Image Analysis, Modeling, and Techniques VI; (2004) https://doi.org/10.1117/12.512369
Event: Remote Sensing, 2003, Barcelona, Spain

Abstract

This paper presents two different approaches to detect and correct phase errors appearing in interferometric airborne SAR sensors due to the lack of precision in the navigation system. The first one is intended for interferometric pairs with high coherence, and the second one for low coherent ones. Both techniques are based on a multisquint processing approach, i.e., by processing the same image pairs with different squint angles we can combine the information of different interferograms to obtain the desired phase correction. Airborne single- and repeat-pass interferometric data from the Deutsches Zentrum fur Luft- und Raumfahrt (DLR) Experimental airborne SAR is used to validate the method.

Citation Download Citation

Pau Prats, Jordi J. Mallorqui, Andreas Reigber, and Antoni Broquetas "Calibration of airborne SAR interferograms using multisquint-processed image pairs", Proc. SPIE 5236, SAR Image Analysis, Modeling, and Techniques VI, (12 January 2004); https://doi.org/10.1117/12.512369

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