Implementing uncertainty auto-evaluation capabilities on an intelligent FFT analyzer

被引：9
|
作者：
Liguori, C [1 ]
Paolillo, A
机构：
[1] Univ Cassino, Dept Ind Engn, I-07047 Cassino, Italy
[2] Univ Salerno, Dept Elect Engn, I-84084 Fisciano, Italy
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2004年 / 53卷 / 03期
关键词：
algorithm uncertainty; fast Fourier transform; interpolated FFT; spectral leakage; uncertainty analysis;
D O I：
10.1109/TIM.2004.827074
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：
An fast Fourier transform analyzer with capabilities of auto-configuration, continuous signal analysis, and estimation of spectral component parameters has been provided with the capability of evaluating the uncertainty of the estimated values. The instrument, which has been implemented on a two-DSP hardware, has been characterized through several experimental tests, proving the metrological and operating performances. This paper describes the hardware and the algorithms used for the instrument, and it details the analytical development of the relationships for the uncertainty evaluation and the preliminary compensation of systematic effects. This paper also reports the main experimental results.
引用
收藏
页码：700 / 708
页数：9
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