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Stability of digital filters implemented with two's complement truncation quantization

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2 Author(s)
Bose, T. ; Citadel, Charleston, SC, USA ; Mei-Qin Chen

The stability of digital filters implemented with two's complement truncation quantization is investigated. Both the direct-form and normal-form realizations are considered and regions in the parameter plane are obtained where the filters are globally asymptotically stable. Regions within the stability triangle of a direct-form digital filter are also studied where limit cycles of period one and two are possible. The results are illustrated with several examples

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Signal Processing, IEEE Transactions on  (Volume:40 ,  Issue: 1 )