2D Lattice FIR digital filter with alternate delays: Minimal circuit and state-space realization

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Abstract

This paper proposes a new two dimensional (2D) lattice structured digital filter, having a minimal number of delay elements. This filter, besides having a minimal number of delay elements, also has an absolutely minimal state-space vector. The new finite impulse response (FIR) digital filter is characterized by lattice structure having alternate delay element orientation. It is worth mentioning that the transfer function coefficients of the proposed 2D filter, are complements of the classic lattice filter. The results of this paper are directly applicable to one-dimensional (1D) lattice digital filters. First and second degree 2D examples are provided to show the features of the circuit and state-space realization structures.

Original languageEnglish
Title of host publicationISSCS 2021 - International Symposium on Signals, Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665449427
DOIs
StatePublished - 15 Jul 2021
Event15th International Symposium on Signals, Circuits and Systems, ISSCS 2021 - Iasi, Romania
Duration: 15 Jul 202116 Jul 2021

Publication series

NameISSCS 2021 - International Symposium on Signals, Circuits and Systems

Conference

Conference15th International Symposium on Signals, Circuits and Systems, ISSCS 2021
Country/TerritoryRomania
CityIasi
Period15/07/2116/07/21

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