Wavelet-Based Approach to Evaluation of Signal Integrity

被引：32

作者：

Bialasiewicz, Jan T. ^{[1
]}

Gonzalez, David ^{[2
]}

Balcells, Josep ^{[2
]}

Gago, Javier ^{[2
]}

机构：

[1] Univ Colorado, Dept Elect Engn, Denver, CO 80217 USA

[2] Univ Politecn Cataluna, Dept Elect Engn, ES-08034 Barcelona, Spain

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2013年 / 60卷 / 10期

关键词：

Electromagnetic interference (EMI) effects; signal integrity; signal processing with wavelets; wavelet scalogram; CONTROLLER; TRANSFORM; DIAGNOSIS; DESIGN;

D O I：

10.1109/TIE.2012.2217713

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

080201 [机械制造及其自动化];

摘要：

In this paper, we present a new approach to evaluation of signal integrity that is based on signal energy density as a function of time and frequency, represented by its wavelet scalogram. Using signal integrity ratio and cumulative energy ratio, we illustrate signal integrity analysis with simulated examples, followed by the demonstration of their usefulness through analysis of experimental data of a real audio amplifier. These figures of merit represent the extent to which the integrity of a signal is diminished by the electromagnetic interference effects and/or nonlinear processes.

引用

页码：4590 / 4598

页数：9

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