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Generate calibrated radar backscatter image from PALSAR
- To: discuss@xxxxxxxxxxxxxxxx
- Subject: Generate calibrated radar backscatter image from PALSAR
- From: OLIVIER TSUI <otsui1@xxxxxxxxx>
- Date: Wed, 7 Oct 2009 16:22:03 -0700
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Hello List,
I have an ALOS PALSAR Level 1.5 image and I would like to generate a calibrated radar backscatter image. I know for RADARSAT-1/2 and Envisat ASAR, the SARSIGM algorithm is used however when I ingest the raw PALSAR data from CEOS, I do not have the SAROffset, SARIncAngle, SARGain segments in the PIX file nceessary to run SARSIGM.
Has anyone come across this before? How would I go about creating a calibrated backscatter image? Do I need to obtain data with Level 1.0 or 1.1 processing?
Thank you in advance for your help.
Regards,
Olivier