Zeros of sampled data systems represented by FIR models

被引：7
|
作者：
Bai, EW [1 ]
Ding, Z
机构：
[1] Univ Iowa, Dept Elect & Comp Engn, Iowa City, IA 52242 USA
[2] Auburn Univ, Dept Elect Engn, Auburn, AL 36839 USA
来源：
AUTOMATICA | 2000年 / 36卷 / 01期
基金：
美国国家科学基金会;
关键词：
zeros; FIR systems; nonminimum phase systems; sampled data systems;
D O I：
10.1016/S0005-1098(99)00109-0
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this note, we investigate zero locations of FIR linear systems that are finite length approximations of sampled continuous-time systems. For linear systems with rational transfer functions, it is shown that with a relative degree higher than two and a short sampling interval, the resultant FIR sampled data system is always a nonminimum phase. (C) 1999 Elsevier Science Ltd. All rights reserved.
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页码：121 / 123
页数：3
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