Deriving phase from logarithmic gain derivatives

被引：3

作者：

Rusu, C

Gavrea, I

Kuosmanen, P

机构：

[1] Tampere Univ Technol, Signal Proc Lab, FIN-33101 Tampere, Finland

[2] Tech Univ Cluj Napoca, Dept Math, RO-3400 Cluj Napoca, Romania

[3] Tech Univ Cluj Napoca, Dept Elect & Telecommun, RO-3400 Cluj Napoca, Romania

来源：

CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2002年 / 21卷 / 03期

关键词：

Bode relationships; Hilbert transform; Fejer kernel;

D O I：

10.1007/s00034-004-7042-0

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：

One of the oldest and most useful techniques available in network theory states that the phase can be approximated using the slope of the logarithmic gain characteristic. The goal of this paper is to present some results concerning the analytical properties of logarithmic gain. We also show that a better phase approximation can be obtained in certain situations if the third derivative is taken into account.

引用

页码：243 / 261

页数：19

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