Multi Reference INSAR inputs


This might sound obvious to many of you but I’d like to understand how to generate the inputs for the Multi-Reference InSAR Operator.

The docs states:

Given a coregistered stack product, this operator allows for computing the interferometric phase as well as estimating the interferometric coherence for arbitrary image pairs. Optionally, it can generate the following bands: incidence angle, latitude, and longitude.

How do we get to a Sentinel-1 coregistered stack product using GPT?

Not clear to me.
Your question refers to creation of single interferogram with GPT ?

It is my understanding that several interferograms should be created, stack with them created and only after that use the Multi-Reference InSAR Operator.
Why not try this way.

Hi @hriston_bg

Thanks for your answer. What I don’t get is what the doc means with “coregistered stack product” since the operator seams to do the magic of providing the phase and coherence.
This is the element that I find confusing

@jun_lu Could you clarify?

I also would like to have more details on this operator.
I suppose someone from the developers team will cast
light on the subject. :smiley:

I think you can try the following graph

Are there unit tests that tell us the solution with a higher degree of certainty?

I think a thorough tutorial would be of help with this complex operation. @jun_lu @lveci

A JIRA ticket ([SNAP-3722] - JIRA) has been issued for creating a tutorial on the usage of the Multi-Reference InSAR operator.

Thank you so much, looking forward for it!