Tradeoff between roundoff and overflow errors in digital filter realizations

被引：0
|
作者：
SanzGonzalez, JL
机构：
来源：
1997 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS I - V: VOL I: PLENARY, EXPERT SUMMARIES, SPECIAL, AUDIO, UNDERWATER ACOUSTICS, VLSI; VOL II: SPEECH PROCESSING; VOL III: SPEECH PROCESSING, DIGITAL SIGNAL PROCESSING; VOL IV: MULTIDIMENSIONAL SIGNAL PROCESSING, NEURAL NETWORKS - VOL V: STATISTICAL SIGNAL AND ARRAY PROCESSING, APPLICATIONS | 1997年
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中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper is concerned with a linked analysis of overflow and roundoff errors in fixed-point digital filter realizations. Upper bounds for the overflow error power are obtained, having considered saturation quantizer characteristics. Also, upper bounds for the overflow probability are given in order to overflow power be lower than roundoff noise power. Finally, computer simulation results support the theoretical ones, and some of these results are presented in curves for the optimal state-space digital realizations of Butterworth, Chebyshev and elliptic filters.
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页码：2189 / 2192
页数：4
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