Ground Moving Targets Imaging for Synthetic Aperture Radar with Estimated Range Cell Migration Correction

Synthetic aperture radar (SAR) is an advanced imaging sensor that can image side-looking terrain. Unlike a stationary scene, due to not knowing the motion parameters, ground moving target (GMT) is defocused in a background image, which causes difficulties in their use for further applications. This paper proposes a new ground moving target imaging method. The motion parameters are estimated according to the estimated Doppler parameters. Range cell migration (RCM) are estimated and corrected accordingly, which helps get a clear GMT image. Experimental results obtained from extensive numerical simulated data validate our proposed approach.