Shadow Features of Moving Targets Based on W-band SAR

Video synthetic aperture radar (ViSAR) is regarded as an effective sensor to monitor moving targets continuously. In addition to realize video imaging, W-band radar’s high scattering characteristics on smooth roads create conditions for the formation of shadows for moving targets. This paper reports the video imaging results of an UAV borne W-band SAR on urban intersection and analyzes the shadows of moving targets. A simple speed estimation method is proposed based on the shadow model.