Conference Paper

Results from TerraSAR-X geometric and radiometric calibration

Microwaves & Radar Inst. Oberpfaffenhofen, Wessling
DOI: 10.1109/EURAD.2007.4404943 Conference: Radar Conference, 2007. EuRAD 2007. European
Source: IEEE Xplore


TerraSAR-X is a scientific and commercial SAR mission to be launched in June 2007. As it provides high-resolution products for a multitude of operation modes and incidence angles, the radiometric and geometric calibration of TerraSAR-X has to ensure the product quality and the correct in-orbit operation of the entire SAR system. This paper describes the calibration activities for TerraSAR-X and the dedicated tasks to be performed during the five months commissioning phase. Results from on-ground tests are discussed with respect to geometric and radiometric calibration of the TerraSAR-X system.

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    ABSTRACT: TerraSAR-X is a highly flexible X-band radar satellite. Its primary objective is the acquisition of high quality SAR images in a multitude of possible acquisition modes. The great amount of antenna patterns needed for image acquisition requires an antenna model accurately describing all beams. To guarantee the required image quality, the model is verified in-orbit. As TerraSAR-X is scheduled for launch in June 2007, this paper will present the necessity of the antenna model and the methods to verify it.
    Radar Conference, 2007. EuRAD 2007. European; 11/2007

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