Realization of separable nth order 2D all-pass digital filters

S. E. Mentzelopoulou, G. E. Antoniou, C. N. Manikopoulos

Research output: Contribution to journalArticlepeer-review


The realization, circuit and state space of two-dimensional (2D) nth order separable all-pass digital filters is considered. The matrices A, b, c′ and the scalar d of the Givone-Roesser state space model are presented in closed form. The dimension of the state space model is minimal. In addition, the corresponding circuit implementation of the filter is given.

Original languageEnglish
Pages (from-to)1143-1147
Number of pages5
JournalInternational Journal of Electronics
Issue number6
StatePublished - Dec 1992


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