Sentinel-1 TOPS SAR Interferometry and Deformation Monitoring
Abstract Sentinel-1A IW mode SAR image has a width of 250 km with low noise and a short revisit period. However, the TOPS image mode causes large Doppler frequency variations, which sets very stringent co-registration requirements in interferometry processing. In this paper, TOPS SAR image co-registration and burst merge are presented, and a process flow chart of deformation monitoring with TOPS SAR image is stated. Consistent deformation, with descending and ascending images of the Menyuan earthquake in Qinghai province, demonstrates the validity of the presented method.
Key words :
Sentinel-1
SAR interferometry
TOPS
co-registration
deformation monitoring
Cite this article:
HUANG Qihuan,WANG Yi’an. Sentinel-1 TOPS SAR Interferometry and Deformation Monitoring[J]. jgg, 2017, 37(4): 365-368.
HUANG Qihuan,WANG Yi’an. Sentinel-1 TOPS SAR Interferometry and Deformation Monitoring[J]. jgg, 2017, 37(4): 365-368.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2017/V37/I4/365
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