Sentinel-1 SAR Interferometry Performance Verification

Konferenz: EUSAR 2016 - 11th European Conference on Synthetic Aperture Radar
06.06.2016 - 09.06.2016 in Hamburg, Germany

Tagungsband: EUSAR 2016

Seiten: 4Sprache: EnglischTyp: PDF

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Geudtner, Dirk; Navas-Traver, Ignacio; Barat, Itziar; Torres, Ramon (European Space Agency (ESA-ESTEC), Keplerlaan 1, P.O. Box 299, 2200 AG Noordwijk, The Netherlands)
Prats, Pau; Yague-Martinez, Nestor (Microwaves and Radar Institute, German Aerospace Center (DLR), P.O. Box 1116, 82234 Wessling, Germany)

In this paper, we discuss the results of the performance verification of Sentinel-1A & B repeat-pass SAR interferometry (InSAR) using data acquired the novel Interferometric Wide Swath (IW) mode. This IW mode, for the first time, operationally utilizes ScanSAR-type burst imaging with an additional antenna beam steering in azimuth referred to as Terrain Observation with Progressive Scans (TOPS). In particular, we discuss the specifics of TOPS InSAR with Sentinel-1, taking into account its mission and SAR system characteristics, such as burst synchronization, mean Doppler centroid difference, orbital tube and across-track orbital baseline.