Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-1/W1, 23-28, 2013
https://doi.org/10.5194/isprsarchives-XL-1-W1-23-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
30 Apr 2013
PRECISE 2-D AND 3-D GROUND TARGET LOCALIZATION WITH TERRASAR-X
U. Balss1, C. Gisinger2, X. Y. Cong3, M. Eineder1, and R. Brcic1 1Remote Sensing Technology Institute (IMF), German Aerospace Center (DLR), 82230 Oberpfaffenhofen, Germany
2Institute for Astronomical and Physical Geodesy (IAPG), Technische Universität München (TUM), 80333 Munich, Germany
3Remote Sensing Technology (LMF), Technische Universität München (TUM), 80333 Munich, Germany
Keywords: Synthetic Aperture Radar, Imaging Geodesy, Signal Path Delays, Geodynamic Effects, Pixel Localization Accuracy, Stereo SAR Abstract. Previous studies have demonstrated the unprecedented absolute pixel localization accuracy of the German SAR (Synthetic Aperture Radar) satellites TerraSAR-X and TanDEM-X. Now, using global navigation satellite system data to locally correct for atmospheric delay, range accuracies of 1 cm are demonstrated to be attainable. Using globally available tropospheric and ionospheric delay information such accuracies can even be approached world-wide. When such accurate estimates are available for two or more SAR images from different orbits, techniques such as stereo SAR can be used to generate DEMs (Digital Elevation Models) using only the amplitude signal, completely bypassing interferometry. The first experiments of this type described here show that an absolute 3-D localization accuracy better than 10 centimeters is achievable.
Conference paper (PDF, 671 KB)


Citation: Balss, U., Gisinger, C., Cong, X. Y., Eineder, M., and Brcic, R.: PRECISE 2-D AND 3-D GROUND TARGET LOCALIZATION WITH TERRASAR-X, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-1/W1, 23-28, https://doi.org/10.5194/isprsarchives-XL-1-W1-23-2013, 2013.

BibTeX EndNote Reference Manager XML