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Orthonormal basis functions in time and frequency domain: Hambo transform theory
TU Delft.
TU Delft.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-1927-1690
2004 (English)In: SIAM Journal of Control and Optimization, ISSN 0363-0129, E-ISSN 1095-7138, ISSN 0363-0129, Vol. 42, no 4, 1347-1373 p.Article in journal (Refereed) Published
Abstract [en]

The class of finite impulse response (FIR), Laguerre, and Kautz functions can be generalized to a family of rational orthonormal basis functions for the Hardy space H2 of stable linear dynamical systems. These basis functions are useful for constructing efficient parameterizations and coding of linear systems and signals, as required in, e.g., system identification, system approximation, and adaptive filtering. In this paper, the basis functions are derived from a transfer function perspective as well as in a state space setting. It is shown how this approach leads to alternative series expansions of systems and signals in time and frequency domain. The generalized basis functions induce signal and system transforms (Hambo transforms), which have proved to be useful analysis tools in various modelling problems. These transforms are analyzed in detail in this paper, and a large number of their properties are derived. Principally, it is shown how minimal state space realizations of the system transform can be obtained from minimal state space realizations of the original system and vice versa.

Place, publisher, year, edition, pages
2004. Vol. 42, no 4, 1347-1373 p.
Keyword [en]
orthogonal basis functions, Hambo transform, cascade inner network, expansion coefficients
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-55404DOI: 10.1137/S0363012902405340ISI: 000186468700011ScopusID: 2-s2.0-4043176212OAI: diva2:471630

QC 20120118

Available from: 2012-01-02 Created: 2012-01-02 Last updated: 2014-03-31Bibliographically approved

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