Incidence Angle determination in SNAP

[anand.joshi]

I have followed the following workflow i.e.

1. Apply orbit file
2. Thermal noise Removal
3. Calibration
4. Speckle Filtering
5. Range Doppler Terrain correction
6. Conversion to db
   to process a data set of Loktak Lake (water) India
   There after by drawing a polygon, statistics of Sigma0 VV and Sigma0 VH were obtained.
   
   
   
   

My query, the obtained ‘mean’ sigma0 value is for which angle of incidence? since the metadata the incidence_near and incidence_far angle is given as 30 deg and 46 deg. How to determine reference angle of incidences in SNAP?
I read few threads in this respect but not cleared. Please help me…

[Tomcater]

I would suggest to export mask pixel values. You will have incidence angles values per pixel within each polygon.

[anand.joshi]

Thank you…