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Analysis of multicomponent LFM signals by a combined Wigner-Hough transform

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1 Author(s)
Barbarossa, S. ; INFOCOM Dept., Rome Univ., Italy

The aim of the paper is the performance evaluation of a method for the analysis of mono- or multicomponent linear-frequency modulation (LFM) signals, based on the Hough transform of the Wigner-Ville distribution of the signals. A closed form expression is found for the signal-to-noise ratio and the parameter estimation accuracy. The overall method, as any nonlinear method, exhibits a threshold effect. Nevertheless, it is shown to be asymptotically efficient and offers a good rejection capability of the cross terms

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Signal Processing, IEEE Transactions on  (Volume:43 ,  Issue: 6 )