LOS displacement calculation
I have been processing Sentinel-1 data over recent 7.3 magnitude Iran Iraq earthquake.
I observed that my filtered interferogram has nearly 34 fringes which corresponds to 95cm of displacement at C-band. But, my LOS result shows maximum displacement of 40cm only. Why is this so?
My colleague processed the same data in a commercial InSAR software and observed nearly 1 meter deformation which closely matches with the deformation for number of fringes observed.
Filtered interferogram and LOS displacement map are attached for your reference.
RE: LOS displacement calculation - Added by Xiaohua almost 3 years ago
Could you run a `gmt grdinfo` on the los grid? I suspect the color of the LOS plot saturated.
Also there is a possibility when the data is detrended, the magnitude gets smaller. (not sure)
RE: LOS displacement calculation - Added by Sekhar almost 3 years ago
You are right. The color of LOS plot saturated. Thanks.