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Breaking through the forward-looking limitation of monostatic synthetic aperture radar (SAR), bistatic forward-looking SAR (BFL-SAR) brings much potential in areas such as automatic navigation and landing in bad weather conditions. For many cases of BFL-SAR mounted on maneuvering-platform (MBFL-SAR), neither the flight path is straight nor the topography is flat. Conventional imaging algorithms designed...
Current literatures and reports about Bistatic forward-looking SAR (BFSAR) imaging theories are mostly concentrated on static scene. In this paper, a novel GMT detection and imaging method in Doppler-rate domain for BFSAR is presented. The steps of this method involve bulk-deramp filtering operation, Keystone transform (KT), extend azimuth nonlinear chirp scaling (EA-NLCS) processing and the last...
With appropriate geometry configurations, bistatic Synthetic Aperture Radar (SAR) can break through the limitations of monostatic SAR for forward-looking imaging. This paper develops an extended nonlinear Chirp Scaling imaging algorithm for translational variant BFSAR. The method utilizes a point target reference spectrum of generalized Loffeld's bistatic formula (GLBF). Without bistatic deformation...
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