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The issue of focusing ISAR images with improved cross-range resolution of targets undergoing 3D motion observed by multiple radar systems is here addressed. Both multi-aspect and multi-grazing acquisition geometries are here considered. The Distributed Point Spread Function is devised with two possible approaches: (1) ID Multi-Aspect/Multi-Grazing and (11) 3D approach, when the distributed processing...
The exploitation of data acquired by a multiplatform system has been demonstrated to be able to increase the cross range resolution of ISAR images of rotating targets. In this paper we focus on Distributed-ISAR (D-ISAR) making use of stepped-frequency waveforms, obtaining a high range resolution through a synthetic range-profile processing. Both scenarios, multistatic or MIMO are considered: in the...
In this paper we exploit the data acquired by multiple radar systems carried by multiple air platforms to increase the cross-range resolution of ISAR images. The distributed ISAR technique is devised for two different cases: (i) multistatic with a single platform carrying an active radar and the remaining platforms equipped with receiving only devices, (ii) MIMO with each platform carrying an active...
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