Continent-wide 2-D co-seismic deformation of the 2015 Mw 8.3 Illapel, Chile earthquake derived from Sentinel-1A data: Correction of azimuth co-registration error
In this study, we mapped the co-seismic deformation of the 2015 Mw 8.3 Illapel, Chile
earthquake with multiple Sentinel-1A TOPS data frames from both ascending and
descending geometries. To meet the requirement of very high co-registration precision, an
improved spectral diversity method was proposed to correct the co-registration slope error in
the azimuth direction induced by multiple Sentinel-1A TOPS data frames. All phase jumps
that appear in the conventional processing method have been corrected after applying the …
earthquake with multiple Sentinel-1A TOPS data frames from both ascending and
descending geometries. To meet the requirement of very high co-registration precision, an
improved spectral diversity method was proposed to correct the co-registration slope error in
the azimuth direction induced by multiple Sentinel-1A TOPS data frames. All phase jumps
that appear in the conventional processing method have been corrected after applying the …
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