Abstract
This Special Issue hosts papers related to deformation monitoring in urban areas based on two main techniques: Persistent Scatterer Interferometry (PSI) and Synthetic Aperture Radar (SAR) Tomography (TomoSAR). Several contributions highlight the capabilities of Interferometric SAR (InSAR) and PSI techniques for urban deformation monitoring. In this Special Issue, a wide range of InSAR and PSI applications are addressed. Some contributions show the advantages of TomoSAR in un-mixing multiple scatterers for urban mapping and monitoring. This issue includes a contribution that compares PSI and TomoSAR and another one that uses polarimetric data for TomoSAR.
Highlights
Our capability to monitor deformation using satellite-based Synthetic Aperture Radar (SAR) sensors has increased substantially in recent years, thanks to the availability of multiple SAR sensors and the development of several data processing and analysis procedures
Differential interferometric SAR (DInSAR) [1] and Persistent Scatterer Interferometry (PSI) [2] involve the exploitation of at least a pair of complex SAR images to measure surface deformation. Both the DInSAR and PSI techniques exploit the phase of the SAR images
This Special Issue is focused on deformation monitoring in urban areas based on PSI and TomoSAR
Summary
Our capability to monitor deformation using satellite-based Synthetic Aperture Radar (SAR) sensors has increased substantially in recent years, thanks to the availability of multiple SAR sensors and the development of several data processing and analysis procedures. Differential interferometric SAR (DInSAR) [1] and Persistent Scatterer Interferometry (PSI) [2] involve the exploitation of at least a pair of complex SAR images to measure surface deformation. Both the DInSAR and PSI techniques exploit the phase of the SAR images.
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