An intelligent FFT analyzer with harmonic interference effect correction and uncertainty evaluation

被引：18

作者：

Liguori, C ^{[1
]}

Paolillo, A

Pignotti, A

机构：

[1] Univ Cassino, DAEIMI, I-03043 Cassino, FR, Italy

[2] Univ Salerno, DIIIE, I-84084 Fisciano, SA, Italy

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2004年 / 53卷 / 04期

关键词：

digital signal processing (DSP); fast Fourier transform (FFT); frequency domain; harmonic interference; uncertainty evaluation;

D O I：

10.1109/TIM.2004.831473

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 discusses the problem of correcting the effects of harmonic interference on fast Fourier transform (FFT) results. A procedure to evaluate and correct these effects is proposed and implemented on an intelligent FFT analyzer, which is also capable of indicating result uncertainties.

引用

页码：1125 / 1131

页数：7

共 13 条

[1] WINDOWS AND INTERPOLATION ALGORITHMS TO IMPROVE ELECTRICAL MEASUREMENT ACCURACY [J].