Abstract
High-Squint Mode SAR Imaging poses a greater challenge when compared to broadside SAR due to squint induced azimuth Doppler. The problem becomes more complex when motion errors arise in the flight path, affecting the antenna position with respect to the target region. The paper proposes an Extended Omega-K Algorithm where squint correction and motion error compensation is performed for varying flight trajectory. Results show capability of the algorithm to handle motion induced errors at squints of up to 55° easily.
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