Transfer function identification from phase response data

被引：11

作者：

De Tommasi, Luciano ^{[1
,2
]}

Deschrijver, Dirk ^{[3
]}

Dhaene, Tom ^{[3
]}

机构：

[1] NXP Semicond, NL-5656 AE Eindhoven, Netherlands

[2] Univ Antwerp & Middelheimlaan 1, B-2020 Antwerp, Belgium

[3] Univ Ghent, IBBT, B-9000 Ghent, Belgium

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2010年 / 64卷 / 03期

关键词：

Phase angle; Transfer function; System identification; Vector fitting; Rational approximation; FREQUENCY-DOMAIN RESPONSES; RATIONAL APPROXIMATION;

D O I：

10.1016/j.aeue.2008.12.006

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper introduces an improved procedure for the identification of a transfer function from phase angle data with prescribed frequency variation. It is shown how a transfer function can be identified from phase response data samples, by fitting a normalized function with constant magnitude using the vector fitting, algorithm. The presented approach is numerically robust and leads to more accurate results than conventional approaches. (C) 2009 Elsevier GmbH. All rights reserved.

引用

页码：218 / 223

页数：6

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