CAUSALITY IN THE FREQUENCY-DOMAIN

被引：0
|
作者：
ZHU, SQ
机构：
[1] Eindhoven University of Technology, Eindhoven, 5600 MB
来源：
INTERNATIONAL JOURNAL OF CONTROL | 1990年 / 52卷 / 01期
关键词：
D O I：
10.1080/00207179008953534
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A detailed proof of the following criterion of causality in the frequency domain is presented: a linear time invariant (possibly unstable) system P mapping a subspace of the Hardy space H2 into H2 is causal if and only if for any x(.) EDam (P), exp (α) x(•) ∈H2 for α > 0 implies exp (α) Px(.) ∈ H2. Some applications of this criterion and properties of the causal systems are also presented. © 1990 Taylor & Francis Ltd.
引用
收藏
页码：251 / 259
页数：9
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