Monitoring Analysis of Urban Subsidence in Northern Henan Province Based on TS-InSAR Technology

Table 1

Specific parameters of Sentinel-1A’s four operating modes.

Parameter work mode	Resolution	Angle of incidence (degree)	Breadth (km)	Polarization mode
SM	5 m × 5 m	20–45	80	HH + HV VH + VV HH VV
IW	5 m × 20 m	29–46	250	HH + HV VH + VV HH VV
EW	5 m × 40 m	19–47	400	HH + HV VH + VV HH VV
WV	5 m × 5 m	22–38	20 × 20	HH VV