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- W3094554124 abstract "This paper focuses on processing low oversampling echo data of staggered synthetic aperture radar (SAR). In staggered mode, the non-uniformly sampling and irregular loss of echo data cause azimuth ambiguity which severely degrades the imaging quality. To solve this problem, we propose a compressed sensing (CS) method in which the non-uniform fast Fourier transform (NUFFT) technique is adopted to obtain uniform azimuth spectrum, and the fast iterative shrinkage thresholding algorithm (FISTA) is utilized to efficiently reconstruct the ambiguity-free image from in-complete echo data. Simulation results demonstrate the proposed method can effectively suppress the azimuth ambiguity in the vicinity of targets." @default.
- W3094554124 created "2020-10-29" @default.
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- W3094554124 date "2020-10-21" @default.
- W3094554124 modified "2023-10-17" @default.
- W3094554124 title "Compressed Sensing Imaging for Staggered SAR with Low Oversampling Rate" @default.
- W3094554124 doi "https://doi.org/10.20944/preprints202010.0444.v1" @default.
- W3094554124 hasPublicationYear "2020" @default.
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