PROVIDER
Aresys srl (https://www.aresys.it/)
FULLY-FOCUSED SAR FOR CRYOSAT-2
The P-PRO Service FF-SAR (Fully Focused SAR) for CryoSat-2 is a web service that provides the capability to process on line and on demand CryoSat-2 SAR data, from FBR data products to Level1b FF-SAR products.
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EarthConsole® P-PRO Fully Focused-SAR for CS-2 – Aresys Software Prototype User Manual
The P-PRO Service FF-SAR (Fully Focused SAR) for CryoSat-2 is a web service that provides the capability to process on line and on demand CryoSat-2 SAR data, from FBR data products to Level1b FF-SAR products.
The service is based on AREALT-FF1 Processor Prototype that has been developed by Aresys (http://www.aresys.it) in the framework of ESA contracts for Sentinel-6 and CryoSat-2. The AREALT-FF1 Processor produces L1b FF-SAR altimetry waveforms exploiting the focusing technique in the 2D transformed frequency domain proposed in 1.
The AREALT-FF1 Processor will make use of the P-PRO (Parallel Processing) distributed computing platform to deliver timely the output Level1b products. These output data products are generated in standard NetCDF format.
The output Level1b product includes the variable uncorrected_retracked_height, that contains the surface height computed by the threshold retracker described in 2. It is worth underlining that the threshold is set to 60% and that the geophysical corrections are not applied, but included in variables geophysical_correction_ocean, geophysical_correction_land and geophysical_correction_seaice.
User can also decide whether to fit the waveform using the ALES+ FF-SAR empirical retracking algorithm to estimate range. ALES+ FF-SAR is an adaptation of the ALES+ SAR algorithm described in 3.