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Identification of voltera kernels of a class of nonlinear systems by walsh function techniques

โœ Scribed by Mohammad Maqusi

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
607 KB
Volume
310
Category
Article
ISSN
0016-0032

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โœฆ Synopsis

This paper discusses the identification problem for a class of nonlinear systems.

A member of this class may be represented by a single-valued power-law type nonlinearity preceded and succeeded by linear dyadic invariant systems. Such an arrangement allows for a Voltera functional series representation. The identification problem is then concerned with the specification of the associated Voltera kernels.

Two approaches are presented for dealing with this problem. Both approaches are, however, based on Walsh function techniques. The first approach relies on direct output measurements when fhe input is a Walsh function.

This approach is suitable for a deterministic case. The second approach assumes ergodic processes for the input. Based on measurements drawn from an input-output dyadic correlation function, determination of the Voltera kernels is made.

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