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- W2891566302 abstract "This paper presents a novel technique to recover the missing spectral information due to RF spectral restriction in ultra-wideband (UWB) synthetic aperture radar (SAR) imaging. We address a critical problem in UWB radar imaging: radar transmission is prohibited in reserved frequency bands specified by local frequency management agencies. We model the problem in a compressed sensing setup where a time-sparse received radar signal at each aperture is collected in the incoherent frequency domain using a stepped-frequency implementation. Using electromagnetic (EM) finite-difference, time-domain (FDTD) data of various targets and clutter objects computed at all viewing aspect angles, we show that the proposed technique can successfully recover the relevant information on targets of interest even from a large percentage of missing frequency bands." @default.
- W2891566302 created "2018-09-27" @default.
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- W2891566302 date "2018-10-01" @default.
- W2891566302 modified "2023-10-03" @default.
- W2891566302 title "Recovery of UWB Radar Signals in Spectrally Restricted Environments" @default.
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- W2891566302 doi "https://doi.org/10.1109/icip.2018.8451480" @default.
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