PS Selection Method for and Application to GB-SAR Monitoring of Dam Deformation

Table 2

Information on the environmental correction control points.

Point	X (m)	Y (m)	Thermal SNR	Estimated SNR		Phase stability
GCP1	5.0	1144.7	36.2	33.9	0.97	15.86
GCP2	219.7	1121.9	31.3	23.4	0.97	4.28