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CANONICAL REPRESENTATION OF A CLASS OF LINEAR DISCRETE-TIME TIME-VARIANT SYSTEMS

dc.contributor.advisorWacker, A. G.
dc.creatorLohar, Gautam
dc.date.accessioned2024-07-12T16:42:51Z
dc.date.available2024-07-12T16:42:51Z
dc.date.issued1985-08
dc.date.submittedAugust 1985
dc.description.abstractA particular class of linear discrete-time systems can be characterized by a (square) matrix of system coefficients [H]. The system is time-invariant if [H ] is circulant and time-variant if [In is non-circulant. It is shown that a linear discrete-time time-variant system can be decomposed into a combination of subsystems where each subsystem consists of a linear discrete-time time-invariant system in cascade with a modulator (canonical representation). The canonical representation results from a linear system interpretation of the following matrix decomposition : A PXP matrix [II] (complex in general) can be decomposed as P-1 [H] = [AT(i)] [H,(1)] i=0 where [H,(1)] is a circulant matrix and the diagonal matrix[AT(1)] diag {T }, with T(i) denoting the complex conjugate of the i-th column of a PXP Discrete Fourier Transform matrix. The above matrix decomposition can also be interpreted as a (two dimensional) symmetrical component decomposition of [H ]. Since a sampled and quantized image can be represented by a matrix, an application involving image representation in terms of its symmetrical components is presented.
dc.identifier.urihttps://hdl.handle.net/10388/15795
dc.titleCANONICAL REPRESENTATION OF A CLASS OF LINEAR DISCRETE-TIME TIME-VARIANT SYSTEMS
dc.type.genreThesis
thesis.degree.departmentElectrical Engineering
thesis.degree.grantorUniversity of Saskatchewanen_US
thesis.degree.levelMasters
thesis.degree.nameMaster of Science (M.Sc.)

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