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Sentinel-1 SLC Preprocessing [Algorithm]

Sentinel-1 SLC Preprocessing [Algorithm]

Mattia Callegari, Michele Claus, E Sonneveld J Dries
ESA
2026
:
https://hdl.handle.net/10863/54003
This process generates a STAC collection of co‑registered Sentinel‑1 Single Look Complex (SLC) bursts in SAR geometry. A specific Sentinel‑1 burst is selected by explicitly defining the burst_id and sub_swath parameters, enabling fine‑grained, burst‑level access to Sentinel‑1 TOPS data. The co‑registration is performed using the ESA SNAP Back‑Geocoding operator, which aligns all SLC acquisitions to a common primary geometry, ensuring pixel‑level consistency across the temporal stack. The entire workflow is implemented as a Common Workflow Language (CWL) pipeline. The resulting co‑registered SLC stack provides the fundamental input for a wide range of advanced SAR analyses, including InSAR interferogram generation, coherence estimation, and polarimetric processing.

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