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The amount of echo data is huge in highly squinted synthetic aperture radar (SAR) imaging with high resolution. To solve this problem, the imaging method for highly squinted SAR with under-sampled echo data based on Compressed Sensing is put forward. Firstly, a Non-linear Chirp Scaling (NCS) imaging method with the Nyquist-sampled echo data is proposed. And then, the NCS operator is established based...
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