Two-dimensional delta-operator formulated discrete-time systems: analysis and synthesis of minimum roundoff noise realizations

Mahes M. Ekanayake; Kamal Premaratne

Two-dimensional delta-operator formulated discrete-time systems: analysis and synthesis of minimum roundoff noise realizations

Mahes M. Ekanayake, Kamal Premaratne

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article

6 Scopus citations

Abstract

The roundoff noise performance of a δ-operator formulated 2-D state space digital filter is investigated. Synthesis procedures are developed and it is shown that unlike in the q-operator case, the optimum realizations are different for single-length accumulator and double-length accumulator based filters. A method is presented to find the sampling times so that the probability of overflow of the state derivatives is less than that of the state variables. A numerical example is presented to compare different schemes.

Original language	English (US)
Pages (from-to)	213-216
Number of pages	4
Journal	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	2
State	Published - Jan 1 1996
Event	Proceedings of the 1996 IEEE International Symposium on Circuits and Systems, ISCAS. Part 1 (of 4) - Atlanta, GA, USA Duration: May 12 1996 → May 15 1996

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Electrical and Electronic Engineering

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Ekanayake, M. M., & Premaratne, K. (1996). Two-dimensional delta-operator formulated discrete-time systems: analysis and synthesis of minimum roundoff noise realizations. Proceedings - IEEE International Symposium on Circuits and Systems, 2, 213-216.

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abstract = "The roundoff noise performance of a δ-operator formulated 2-D state space digital filter is investigated. Synthesis procedures are developed and it is shown that unlike in the q-operator case, the optimum realizations are different for single-length accumulator and double-length accumulator based filters. A method is presented to find the sampling times so that the probability of overflow of the state derivatives is less than that of the state variables. A numerical example is presented to compare different schemes.",

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AU - Premaratne, Kamal

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N2 - The roundoff noise performance of a δ-operator formulated 2-D state space digital filter is investigated. Synthesis procedures are developed and it is shown that unlike in the q-operator case, the optimum realizations are different for single-length accumulator and double-length accumulator based filters. A method is presented to find the sampling times so that the probability of overflow of the state derivatives is less than that of the state variables. A numerical example is presented to compare different schemes.

AB - The roundoff noise performance of a δ-operator formulated 2-D state space digital filter is investigated. Synthesis procedures are developed and it is shown that unlike in the q-operator case, the optimum realizations are different for single-length accumulator and double-length accumulator based filters. A method is presented to find the sampling times so that the probability of overflow of the state derivatives is less than that of the state variables. A numerical example is presented to compare different schemes.

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M3 - Conference article

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Y2 - 12 May 1996 through 15 May 1996

ER -

Two-dimensional delta-operator formulated discrete-time systems: analysis and synthesis of minimum roundoff noise realizations

Abstract

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