Phase and temporal synchronization in bistatic SAR systems using sources of opportunity
P. Lopez Dekker (Universitat Politecnica de Catalunya, TU Delft - Mathematical Geodesy and Positioning, TU Delft - Laboratory Geoscience and Remote Sensing)
Jordi J. Mallorqui (Universitat Politecnica de Catalunya)
Pau Serra-Morales (Universitat Politecnica de Catalunya)
Jesus Sanz-Marcos (Universitat Politecnica de Catalunya)
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Abstract
This paper discusses temporal and phase synchronization in SABRINA, a bistatic system that uses ENVISAT and ERS-2 as transmitters of opportunity. Phase synchronization and pulse alignment is achieved using a dedicated channel that receives a clean signal directly from the satellite. It is studied how to temporally align the acquired data with the satellite orbit using the apparent range migration history.
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