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Keywords = airborne SAR Interferometery

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13 pages, 5497 KiB  
Technical Note
The InSAeS4 Airborne X-Band Interferometric SAR System: A First Assessment on Its Imaging and Topographic Mapping Capabilities
by Stefano Perna, Carmen Esposito, Tiago Amaral, Paolo Berardino, Giuseppe Jackson, João Moreira, Antonio Pauciullo, Eurico Vaz Junior, Christian Wimmer and Riccardo Lanari
Remote Sens. 2016, 8(1), 40; https://doi.org/10.3390/rs8010040 - 6 Jan 2016
Cited by 30 | Viewed by 7750
Abstract
We present in this work a first assessment of the imaging and topographic mapping capabilities of the InSAeS4 system, which is a single-pass interferometric airborne X-Band Synthetic Aperture Radar (SAR). In particular, we first provide a brief description of the InSAeS4 sensor. Then, [...] Read more.
We present in this work a first assessment of the imaging and topographic mapping capabilities of the InSAeS4 system, which is a single-pass interferometric airborne X-Band Synthetic Aperture Radar (SAR). In particular, we first provide a brief description of the InSAeS4 sensor. Then, we discuss the results of our analysis on the SAR and interferometric SAR products relevant to the first flight-test campaign. More specifically, we have exploited as reference the GPS measurements relevant to nine Corner Reflectors (CRs) deployed over the illuminated area during the campaign and a laser scanner Digital Elevation Model (DEM). From the analysis carried out on the CRs we achieved a mean geometric resolution, for the SAR products, of about 0.14 m in azimuth and 0.49 m in range, a positioning misalignment with standard deviation of 0.07 m in range and 0.08 m in azimuth, and a height error with standard deviation of 0.51 m. From the comparison with the laser scanner DEM we estimated a height error with standard deviation of 1.57 m. Full article
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