Staggered SAR: From Concept to Experiments with Real Data
نویسنده
چکیده
Staggered SAR is an innovative synthetic aperture radar (SAR) concept, where the pulse repetition interval (PRI) is continuously varied. This, together with digital beamforming (DBF) in elevation, allows high-resolution imaging of a wide continuous swath without the need for a long antenna with multiple azimuth apertures. Criteria for the design of sequences of PRIs and data processing strategies are presented, together with some system design considerations. The impact of staggered-SAR operation on image quality is furthermore assessed, using highly oversampled F-SAR airborne data and operating TerraSAR-X in staggered-SAR mode.
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