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As Germany’s research centre for aeronautics and space, DLR is naturally interested in playing a leading role in the design and implementation of future SAR remote sensing technology. The research area of space-borne onboard SAR processing is anticipated to become particularly active in future. Onboard SAR data processing at the level of raw data, such as the algorithm for advanced raw data compression to be developed in SOPHOS, is already an indispensable part of modern SAR missions. Research into incremental improvements to these techniques, in terms of quality but also performance, as intended in SOPHOS, will continue to be driven by the needs of both established remote sensing SAR missions as well as innovative “New Space” missions. Even more advanced onboard processing capabilities, such as the optimised SAR image formation algorithm developed in the context of SOPHOS, are expected to play an increasingly important role in future SAR missions and represent the cutting edge of research into onboard space-borne SAR processing. These types of algorithms are of great interest in low-latency, time-critical scenarios, such as disaster response or security and surveillance applications or even as a prerequisite for in-orbit object detection and classification.
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