How Decompose Sentinel-1 GRDH data

Microwave Toolbox Polarimetry
2

Polarimetric decomposition can only be done with the SLC products.
http://sentinel1.s3.amazonaws.com/docs/S1TBX%20Polarimetry%20Tutorial.pdf

most of the decompositions require 4 polarizations: HH, HV, VH and VV.

However, most of the Sentinel-1 data in IW mode is in only one or two polarizations:

There are studies which apply decompositions on dual polarized SAR data:

You can chose the Entropy-Alpha Dual Pol Decomposition for a try.

It is discussed in other topics if it makes sense:

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