Virtual bandwith SAR (VB-SAR) for centimeter-scale vertical profiling through a soil at C-band from space

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dc.contributor.authorMorrison, Keith
dc.contributor.authorEdwards-Smith, Alexander
dc.contributor.authorZwieback, Simon
dc.contributor.authorHajnsek, Irena
dc.date.accessioned2019-11-11T12:14:21Z
dc.date.available2019-11-11T12:14:21Z
dc.date.issued2019-11-03
dc.description.abstractThe first experimental demonstration of the Virtual Bandwidth SAR (VB-SAR) scheme is provided. VB-SAR is a new technique that promises subsurface imaging of soils at ultra-high, centimeter-scale resolution at large stand-off distances applicable to aircraft and spacecraft. This paper reports on how a stack of C-band images were used to retrieve high resolution vertical profiles of the backscattering through a soil in the laboratory. The VB-SAR scheme captures the phase behavior of a soil across a stack of DInSAR images as the soil dries. The real frequency of the interrogating radar behaves as a higher, virtual frequency within the soil by virtue of its higher-than-air dielectric. As the dielectric changes with time, the DInSAR stack captures a virtual bandwidth. Using this scheme, it was possible to produce a vertical slice of the backscatter through a soil at 10cm resolution, much improved on the formal 1m resolution offered by the real 150MHz bandwidth.en_UK
dc.identifier.citationMorrison K, Edwards-Smith A, Zwieback S and Hajnsek I. Virtual bandwith SAR (VB-SAR) for centimeter-scale vertical profiling through a soil at C-band from space. In: 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, 10-15 July 2016en_UK
dc.identifier.issn2153-7003
dc.identifier.urihttps://doi.org/10.1109/IGARSS.2016.7730935
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/14706
dc.language.isoenen_UK
dc.publisherIEEEen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectvirtual bandwith SAR schemeen_UK
dc.subjectvirtual band-with synthetic aperture radaren_UK
dc.subjectsoil centimeter-scale vertical profilingen_UK
dc.subjectspace C-band imagesen_UK
dc.subjectsoil subsurface imagingen_UK
dc.subjecthigh resolution soil backscattering vertical profilesen_UK
dc.subjectDInSAR imagesen_UK
dc.titleVirtual bandwith SAR (VB-SAR) for centimeter-scale vertical profiling through a soil at C-band from spaceen_UK
dc.typeConference paperen_UK

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