A note on evaluation of the quantization error in denominator-separable 2-D recursive filters

Zilouchian, Ali; Huang, Ziqiang

doi:10.1109/78.285669

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Parallel Block-optimal Realization1

Introduction1

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Cited by 6 publications

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“…x v 2 (m; n) : (7) It can be easily shown that the above second-order block statespace representation is equivalent to the transfer function (5) using 2-D Z transformation [18]. The description of several 2-D canonical structures, including controllability, observability, and mixed canonical realizations can be found in [19].…”

Section: Parallel Block-optimal Realizationmentioning

confidence: 99%

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The block-optimal realization of separable-in-denominator 2-D digital filters

Zilouchian

Haung²,

Wang³

1999

IEEE Trans. Circuits Syst. II

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The optimal synthesis of a single input single output separable-in-denominator 2-D digital filter with fixed-point arithmetic is investigated. In the first phase, a general partial fraction expansion for this class of filter is presented. In sequel, a parallel block-optimal realization is proposed in order to minimize the round-off noise under L2 scaling. A novel criterion for the absence of limit cycle of second order block-optimal structure is also derived A numerical example is provided to illustrate the effectiveness of the proposed method.

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Section: Parallel Block-optimal Realizationmentioning

confidence: 99%

“…Recently, a great deal of attention has been directed toward designing high-performance current conveyors in terms of gain accuracy, impedance level, voltage, current offset, as well as bandwidth, and many CCII's for CMOS technologies have been reported [2]- [7]. Basically, the CCII is described as a combined voltage and current follower.…”

Section: Introductionmentioning

confidence: 99%