Spaceborne Spotlight SAR Interferometry With TerraSAR-X
Eineder, Michael and Adam, Nico and Bamler, Richard and Yague-Martinez, Nestor and Breit, Helko (2009) Spaceborne Spotlight SAR Interferometry With TerraSAR-X. IEEE Transactions on Geoscience and Remote Sensing, Vol. 47 (Issue 5), pp. 1524-1535. IEEE Geoscience and Remote Sensing Society. ISSN 0196-2892.
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Abstract—Recently, synthetic aperture radar (SAR) data with 1-m resolution acquired by satellites in spotlight mode became available to the public. In this paper, we elucidate the differences between interferometric processing of strip map and of spotlight SAR data, and we outline adequate algorithms for key processing steps such as azimuth Doppler filtering. We further present first TerraSAR-X spotlight interferograms, together with an evaluation of the paraeters that are critical for interferometry. Our results indicate a very good geometric accuracy, stability, and phase fidelity of the TerraSAR-X sensor and its products. From the interferograms, we are able to determine the heights of larger buildings and millimeter-scale structural deformation in several examples. The high detail level of imaged buildings and the good temporal phase coherence of urban areas in X-band make spotlight interferometry an exciting processing technique that enables new applications such as surveying individual buildings.
|Title:||Spaceborne Spotlight SAR Interferometry With TerraSAR-X|
|Journal or Publication Title:||IEEE Transactions on Geoscience and Remote Sensing|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1524-1535|
|Publisher:||IEEE Geoscience and Remote Sensing Society|
|Keywords:||InSAR, spotlight SAR, synthetic aperture radar (SAR), TerraSAR-X|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Projekt TerraSAR-X Nutzlastbodensegment (old)|
|Institutes and Institutions:||Remote Sensing Technology Institute > SAR Signal Processing|
|Deposited By:||Dr.rer.nat. Michael Eineder|
|Deposited On:||07 Jul 2009 10:36|
|Last Modified:||26 Mar 2013 13:10|
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