PRF Sampling Strategies for SwarmSAR Systems
Lorenzo Iannini (TU Delft - Optical and Laser Remote Sensing)
Alessandro Mancinelli (TU Delft - Microwave Sensing, Signals & Systems)
Paco Lopez Dekker (TU Delft - Mathematical Geodesy and Positioning)
Peter Hoogeboom (TU Delft - Atmospheric Remote Sensing)
Yuanhao Li (TU Delft - Mathematical Geodesy and Positioning)
Faruk Uysal (TU Delft - Microwave Sensing, Signals & Systems)
Alexander Yarovoy (TU Delft - Microwave Sensing, Signals & Systems)
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Abstract
The work investigates staggered and random PRF (Pulse Repetition Frequency) strategies for a close formation of small Synthetic Aperture Radar (SAR) satellites operating in a multistatic configuration. The satellites are positioned within a fraction of the along-track critical baseline, hence allowing for the application of Displaced Phase Center image formation approaches. The performance of regular and random pulse sampling schemes is in particular assessed for a single-input multiple-output (SIMO) S-Band constellation, whose feasibility is further analyzed in relation to the number of satellites and their antenna size.