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Proceedings Paper

Processing of sliding spotlight mode data with consideration of orbit geometry
Author(s): Alicja Ossowska; Rainer Speck
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Paper Abstract

In this paper a processing algorithm for sliding spotlight SAR raw data with consideration of orbit geometry is presented. The processing is based on the chirp scaling algorithm with a pre-processing step for the sliding spotlight mode. The chirp scaling processing algorithm for SAR raw data assumes a flat Earth geometry. This approximation is not valid for a high resolution satellite Proposed algorithm considers a circular orbit and corrects the processing algorithm accordingly through a range dependent velocity ratio. The processing algorithm is evaluated on a simulated raw data of a scene consisting of ideal point targets.

Paper Details

Date Published: 6 August 2009
PDF: 6 pages
Proc. SPIE 7502, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2009, 75020O (6 August 2009); doi: 10.1117/12.838240
Show Author Affiliations
Alicja Ossowska, German Aerospace Ctr. DLR (Germany)
Rainer Speck, German Aerospace Ctr. DLR (Germany)


Published in SPIE Proceedings Vol. 7502:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2009
Ryszard S. Romaniuk; Krzysztof S. Kulpa, Editor(s)

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