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Synthesis of 2-D separable-denominator digital filters with low sensitivity

✍ Scribed by Takao Hinamoto; Toshiaki Takao; Mitsuji Muneyasu

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 790 KB
Volume: 329
Category: Article
ISSN: 0016-0032
DOI: 10.1016/0016-0032(92)90004-z

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✦ Synopsis

This paper treats the coeficient sensitivity qf'two-dimensional (2-D) separabledenominator digital,filters using the Roesser local state-space model. Two techniques suitable for 2-D separable-denominator digitalJilters are developedjor synthesizing the,filter structure with Lowe sensitivity, one,free,from lZ scaling constraints on the state variables, and the other under the scaling constraints. In the paper, it is clarified that the filter structures with low sensitivity can be easi1.v derived,from the balanced realization. Finally, an example is given to illustrate the utility of the proposed techniques.

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