Nonlinear modulators, of any physical nature, exhibit a frequency spectrum in which sidebands, while always symmetrically located with respect to the central peak, generally present different amplitudes. In this paper, a systematic theoretical study on the possibility to achieve a symmetry also in the sidebands amplitudes is carried out. This amplitude symmetry property is investigated for pure and combined, linear and nonlinear, analog modulation schemes. A validation of our theoretical results is achieved through a numerical study performed on a nonlinear spintronic modulator.

A Theoretical study on the amplitude symmetry of sidebands in nonlinear modulators

PULIAFITO, VITO;CONSOLO, Giancarlo;AZZERBONI, Bruno
2012-01-01

Abstract

Nonlinear modulators, of any physical nature, exhibit a frequency spectrum in which sidebands, while always symmetrically located with respect to the central peak, generally present different amplitudes. In this paper, a systematic theoretical study on the possibility to achieve a symmetry also in the sidebands amplitudes is carried out. This amplitude symmetry property is investigated for pure and combined, linear and nonlinear, analog modulation schemes. A validation of our theoretical results is achieved through a numerical study performed on a nonlinear spintronic modulator.
2012
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/1908971
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