Title

4D Bidirectional Lattice Digital Filters

Document Type

Conference Proceeding

Publication Date

3-14-2019

Abstract

A four-dimension (4D) bidirectional digital filter, having a minimum number of delay elements, is presented. This filter, besides having a minimum number of delay elements, also has an absolutely minimal state-space vector. Furthermore the transfer function, of the proposed 4D filter, is characterized by the all-pass property as in the well known classical one-dimension (1D) case. Four-dimension and two-dimension (2D) low-order examples are provided to show the features of the circuit and state-space realization structures.

DOI

10.1109/LASCAS.2019.8667598

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