Identification of nonlinear systems

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Identification of nonlinear systems

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© The Institution of Electrical Engineers
Published

A new formula for the autocovariances of the output from a nonlinear system in terms of the input autocorrelations and the nonlinearity has been derived. From this, a new method for identifying a nonlinear system has been developed and applied to extreme clipping, for which an analytical solution is available.

Inspec keywords: nonlinear systems; identification

Other keywords: autocovariances

Subjects: Simulation, modelling and identification; Nonlinear control systems

References

    1. 1)
      • J.L. Brown . On the expansion of the bivariate gaussian probability density using results of non-linear theory. IEEE Trans. , 158 - 159
    2. 2)
      • J.L. Lawson , G.E. Uhlenbeck . (1950) , Threshold signals.
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