Random phase using ALOS2 data

I computed some interferograms from ALOS 2 (SM3) using SNAP 3.0. I obtained alway the same result. The coherence seems to be good nevertheless the phase image looks like the image below.
I don’t know the origin of this problem.


Thank you for helping me
Cordially
Dominique

Hi Remy,

I also found same problem with you, I also couldnt found the solution on this forum. maybe some one has done could help us.

regards,
Pratama