Super-resolved time-frequency analysis of wideband backscattered data

John Moore, H. Ling

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A time-frequency super-resolution procedure is presented for processing wideband backscattered data containing both scattering center and natural resonance information. In this procedure, Prony's method is first applied in the frequency domain to locate scattering centers. The data is processed one slice at a time through the use of a sliding window function. Parameterized models for the scattering centers are obtained by a weighted average of the results from each segment. A similar procedure is used in the time domain to fully parameterize the natural resonances. In contrast to other time-frequency techniques, the time-frequencg display from the present super-resolution procedure is not constrained in resolution by the Fourier limit
Original languageEnglish
JournalI E E E Transactions on Antennas and Propagation
Issue number6
Pages (from-to)623-626
Publication statusPublished - 1995

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