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Multiple applications would benefit from low frequency, three-dimensional (3-D), high resolution, imagery, among them remote archeological survey through foliage, and detecting voids in collapsed structures and underground. High vertical resolution circular SAR requires ultrawideband waveforms, a problematic aspect in the modern RF spectral environment, particularly at lower frequencies. RF tomography...
Radar is valued for its ability to surveil large areas, day and night, in all weather conditions, with high revisit in order to provide detection and tracking of individuals and groups. Such radars operate either stand-alone or while networked and may generate cues for EO/IR sensors for identification and classification. In the security applications domain radar basing or siting has been predominately,...
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