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There are ways to create the needed amplitude image, e.g., with slc2amp.csh and then geocode your product by running dem2topo_ra.csh and proj_ra2ll.csh. You may need to change the filter inside. This amplitude has a factor of 2.5e-7 multiplied twice when reading in float/int data. You may need to convert it back and use the amp info in the xml file to get the real backscatter. |
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hello Dr
I want to know if gmtsar can be used to calculate backscatter
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