Integration of Multiband InSAR and Leveling Measurements for Analyzing the Surface Subsidence of Shield Tunneling at Beijing-Zhangzhou High-Speed Railway

Table 2

Detailed characteristics information of Sentinel-1 and CSK dataset.

Satellite type	Imaging mode	Data band	Spatial resolution	Ascending/descending mode	Polarization mode	Number of images	Start time	Termination time
Sentinel-1A	IW mode	C-band (5.6 cm)	5 m × 20 m	A	VV polarization	28 scenes	20171210	20181123
COSMO-SkyMed	StripMap mode	X-band (3.1 cm)	3 m	D	HH polarization	38 scenes	20150129	20181106