On the structure of digital filters with stability and roundoff noise consideration

被引：0
|
作者：
Li, G [1 ]
Mei, WB [1 ]
机构：
[1] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore
来源：
ICSP '98: 1998 FOURTH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, PROCEEDINGS, VOLS I AND II | 1998年
关键词：
D O I：
10.1109/ICOSP.1998.770164
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, the stability behavior and error propagation of a digital filter implemented with Finite WordLength are investigated. Based on a first order approximation, a stability robustness related measure is derived. This measure is shown to be filter structure dependent. The optimal structures are defined as those that, maximize measure. A class of solutions is given. The roundoff noise gain is a measure of error propagation. The, minimum roundoff noise structures are obtained subject to maxmizing the derived stability related measure.
引用
收藏
页码：113 / 116
页数：4
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