Title :
Interferometry with ENVISAT wide swath ScanSAR data
Author :
Guccione, Pietro
Author_Institution :
Dipt. di Elettrotecnica ed Elettronica, Politecnico di Bari
fDate :
7/1/2006 12:00:00 AM
Abstract :
The possibility to get efficient topographic mapping and monitoring of large-scale motions with ScanSAR interferometry has been demonstrated with the Shuttle Radar Topography Mission and RADARSAT mission. The Environmental Satellite Advanced Synthetic Aperture Radar (ASAR) sensor has been designed to provide enhanced capabilities for interferometric applications. Different types of interferometric products can be obtained by combining the various ASAR modes as stripmap synthetic aperture radar [image mode (IM)] and ScanSAR [wide swath (WS) mode]. This letter deals with the possibility to use WS data to get either mixed-mode (IM/WS) or ScanSAR mode (WS/WS) differential interferograms. The impact of digital elevation model localization errors on IM/WS interferograms and of scan pattern synchronization on WS/WS interferograms is investigated. Experimental results are encouraging and show that ASAR ScanSAR data can be routinely used for interferometric applications in both cases
Keywords :
artificial satellites; interferometry; remote sensing by radar; synthetic aperture radar; terrain mapping; topography (Earth); ASAR sensor; Advanced SAR; ENVISAT; RADARSAT mission; ScanSAR interferometry; ScanSAR mode differential interferogram; Shuttle Radar Topography Mission; digital elevation model; localization error; mixed-mode differential interferogram; scan pattern synchronization; scanning antenna; synthetic aperture radar; topographic mapping; wide swath ScanSAR data; Azimuth; Digital elevation models; Geometry; Interferometry; Monitoring; Radar tracking; Satellite broadcasting; Scattering; Synchronization; Synthetic aperture radar; Interferometry; scanning antennas; synthetic aperture radar (SAR);
Journal_Title :
Geoscience and Remote Sensing Letters, IEEE
DOI :
10.1109/LGRS.2006.873876
