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2-D state-space filter structures with low frequency-weighting sensitivity

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2 Author(s)
Hinamoto, T. ; Fac. of Eng., Hiroshima Univ., Japan ; Takao, T.

Based on the Roesser local state-space model, the coefficient sensitivities of two-dimensional (2-D) digital filters are analyzed over a particular frequency region. The overall sensitivity, called the frequency-weighting sensitivity, is then evaluated using the 2-D generalized Gramians. Next, 2-D filter structures that minimize the frequency-weighting sensitivity are synthesized for two cases of no constraint and scaling constraint on the state variables

Published in:

Circuits and Systems, 1992. ISCAS '92. Proceedings., 1992 IEEE International Symposium on  (Volume:3 )

Date of Conference:

10-13 May 1992