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Spectral properties of chaos-based FM signals: theory and simulation results

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3 Author(s)
Callegari, S. ; Dept. of Electron., Comput. Sci., & Syst. (DEIS), Bologna Univ., Italy ; Rovatti, R. ; Setti, G.

This paper addresses the problem of generating constant-envelope wideband (CEW) signals, for which applications are emerging both in telecommunications (as information carriers) and in digital/power electronics (to aid the synthesis of timing signals which favor electromagnetic compliance). A flexible generation technique consists in driving a frequency modulation (FM) modulator with random or chaotic sequences. Mathematical tools for predicting some spectral properties of random-FM and chaotic-FM CEW signals are herein introduced by commenting on recent results and presenting novel ones in a coherent framework.

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Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on  (Volume:50 ,  Issue: 1 )