Fig. 4
From: Digital spotlighting filtering optimization for SAR imaging

Images used in testing. Top left: “Stockton.” Top right: “San Francisco.” Bottom left: “Pentagon.” Bottom right: “Washington, D. C.” N=1024 for all images
From: Digital spotlighting filtering optimization for SAR imaging
Images used in testing. Top left: “Stockton.” Top right: “San Francisco.” Bottom left: “Pentagon.” Bottom right: “Washington, D. C.” N=1024 for all images