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TitleAnalysis of a polynomial system arising in the design of an optical lattice filter useful in channelization.
Author(s) Billye Cheek, Mieczyslaw Dabkowski, Louis R. Hunt, T.P. jun. LaFave, Ke Liu, Duncan L. MacFarlane, Amr El Nagdi, Viswanath Ramakrishna
TypeArticle in Journal
AbstractIn this work, we consider design questions for an active optical lattice filter, which is being manufactured at the University of Texas at Dallas, and which has proven to be useful in the signal processing task of RF channelization. The filter can be described by a linear, discrete time state space model. The controlling agents, the gains, are embedded in the matrices intervening in this state space model. Consequently, techniques from linear feedback control theory do not apply. We concentrate on the question of finding real valued gains so that the A matrix of the state space model has a prescribed characteristic polynomial. We find that three of the coefficients can be arbitrarily picked, but that the remaining are constrained by these and the other system parameters. Our techniques use methods from constructive algebraic geometry.
KeywordsChannelizers, Photonics, Groebner bases, Bezoutís theorem
ISSN0167-8019; 1572-9036/e
URL http://link.springer.com/article/10.1007%2Fs10440-012-9680-8
LanguageEnglish
JournalActa Appl. Math.
Volume118
Number1
Pages107--123
PublisherSpringer Netherlands, Dordrecht
Year2012
Edition0
Translation No
Refereed No
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