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NICT developed the airborne X-band SAR system (Pi-SAR2) in 2008. It has polarimetric and interferometric functions with high spatial resolution of 0.3m. We demonstrated volcano monitoring using DEM generated by single-pass interferometry function of Pi-SAR2. In this paper we describe coherent change detection by repeat-pass interferometry function of Pi-SAR2. We improved the repeatability of flight...
An X-band airborne SAR, Pi-SAR2, has been developed by NICT. It can make polarimetric and interferometric observation with very high spatial resolution of 0.3m. Since 2013, NICT has carried out collaborating observations on research proposals selected for the Pi-SAR2 Research Announcement. Polarimetric SAR data analysis is a key issue among them, therefore we have made polarimetric calibration in...
This paper addresses the evaluation of the digital elevation model (DEM) generated by single pass SAR interferometry using an X-band airborne SAR (Pi-SAR2). In this paper we describe the evaluation experiments by using corner reflectors and show the result of the height accuracy on DEM by the cross-track interferometric function of Pi-SAR2.
In the National Institute of Information and Communications Technology, Japan (NICT), we have developed an advanced X-band airborne synthetic aperture radar (SAR) system, Pi-SAR2, since 2006, to succeed the X-band polarimetirc and interferometric airborne SAR, Pi-SAR. The Pi-SAR2 has a higher spatial resolution of 0.3–0.6 m in the azimuth direction and 0.3–0.5 m in the range direction, as well as...
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