A High-Order Phase Correction Approach for Focusing HS-SAR Small-Aperture Data of High-Speed Moving Platforms

Abstract

The squinted imaging mode has been successfully applied to synthetic aperture radar (SAR) mounted on moving platforms of high speed. The developed focusing algorithms for squint SAR data usually perform the linear range walk correction (LRWC) in the azimuth time domain as the first step, to mitigate the bulk range-azimuth coupling. Unfortunately, when… (More)

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