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Designing multisine excitations for nonlinear model testing

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2 Author(s)
Pedro, J.C. ; Inst. de Telecomunicacoes, Aveiro Univ., Portugal ; Carvalho, N.B.

This paper deals with the design of bandpass multisine excitations appropriate for microwave nonlinear model testing. A formal analysis showed that if the output power spectral density of a general nonlinear dynamic system is used as a metric for signal similarity, then it is possible to derive a set of statistical characteristics to be approximated. Using these nth-order extensions of the autocorrelation or the power spectral-density functions as the approximation goals, the multisine design problem is formulated as an optimization scheme where the various tone amplitudes and phases become the target design variables.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:53 ,  Issue: 1 )