Radar 3D Imaging Using Backprojection (BP) Algorithm
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This document discusses Synthetic Aperture Radar (SAR) and the concept of airborne array 3D imaging. This technology utilizes multiple radar antennas to synthesize a large aperture, enabling higher resolution imagery. By processing and analyzing SAR data through algorithms like backprojection, we can extract detailed information about surface features and targets. The implementation typically involves phase compensation, range migration correction, and coherent summation across aperture positions using computational methods. Key functions include signal interpolation, phase history processing, and 3D voxel reconstruction. This technology finds extensive applications in aerospace and geological exploration, providing comprehensive and accurate data. Therefore, research and application of SAR airborne array 3D imaging are critically important for advanced remote sensing systems.
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