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On the Estimation of LFM Signal Parameters: Analytical Formulation | IEEE Journals & Magazine | IEEE Xplore

On the Estimation of LFM Signal Parameters: Analytical Formulation


Abstract:

We propose analytical formulations, approximations, upper and lower bounds for the angle sweep of maximum magnitude of fractional Fourier transform of mono- and multicomp...Show More

Abstract:

We propose analytical formulations, approximations, upper and lower bounds for the angle sweep of maximum magnitude of fractional Fourier transform of mono- and multicomponent linear frequency modulated (LFM) signals. We employ a successive coarse-to-fine grid-search algorithm to estimate the chirp rates of multicomponent nonseparable LFM signals. Extensive numerical simulations show the validity of analytical formulations and performance of the proposed estimator. Obtained analytical results may also find themselves other application areas, where nonstationary signals are of interest.
Published in: IEEE Transactions on Aerospace and Electronic Systems ( Volume: 54, Issue: 2, April 2018)
Page(s): 848 - 860
Date of Publication: 30 October 2017

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