Motion Error Extraction From The Signum-coded SAR Raw Data

Abstract

We explore the extraction of the motions errors of an aircraft platform from the signum-coded Synthetic Aperture Radar raw signal (SC-SAR data). The SC-SAR has a one bit representation infact it only provides information about the zero crossing of the SAR recorded data. Displacement from the line-of-sight (LOS) direction and forward velocity of the SAR platform are extracted from this signal by using the Reflectivity Displacement Method (RDM) [l]. Comparison is made between the motion parameters extracted from the original and from the SC-data.