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To achieve the real-time processing requirement of high resolution ISAR imaging, this paper introduces a GPU and CPU heterogeneous parallel processing structure. In this processing structure, four GPUs are utilized to process parallel computing intensive tasks of ISAR imaging such as pulse compression, range alignment, Doppler phase correction and azimuth FFT, while the CPU is utilized to do the logic...
In interferometirc inverse synthetic aperture radar (InISAR) imaging, the azimuth interpolation based on zero-padded DFT changes the phase of each scattering center. This paper studies the adverse effects of zero-padded DFT method on the phase information. A phase compensation method to eliminate the phase error caused by zero-padded DFT is proposed. Besides, the effects of adding a hamming window...
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