EONIC’s SAR Processor (REA) is a scalable, accurate range-Doppler SAR processor. It allows the generation of complex and real valued SAR images from raw data of the current spaceborne and airborne sensors. The SAR Processor includes radiometric calibration and is phase preserving for interferometric processing. The main modules of the REA are SAR pre-processor (RAPP), and Radar Processor Unit (RPU) which houses SAR image processing, range compression with optional azimuth prefiltering, autofocus, azimuth compression, and multi-look post processing.
The processed images are radiometrically normalized for the antenna pattern, along track gain variations of the radar, length of the azimuth and range reference functions, and slant range. Multilook images are produced by time-domain averaging of the single look complex image samples.
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