An intelligent FFT-analyzer

被引：18
|
作者：
Betta, G [1 ]
D'Apuzzo, M
Liguori, C
Pietrosanto, A
机构：
[1] Univ Cassino, Dept Ind Engn, I-03043 Cassino, Italy
[2] Univ Naples Federico II, Dept Elect Engn, I-80125 Naples, Italy
[3] Univ Salerno, Dept Informat & Elect Engn, Fisciano, SA, Italy
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1998年 / 47卷 / 05期
关键词：
automatic test software; digital signal processors; fast Fourier transform; intelligent systems; measurement;
D O I：
10.1109/19.746578
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 intelligent FFT-analyzer capable of adapting its operating parameters on the basis of the signal spectrum was set up and characterized. The realized instrument is based on a parameter optimization procedure which provides the instrument an autoconfiguration capability. It was implemented on a multiple processor DSP architecture in order to achieve a real-time behavior. The experimental tests carried out on a large number of signals highlight the instrument capability of correctly detecting tones with a good frequency resolution for any signal spectrum type.
引用
收藏
页码：1173 / 1179
页数：7
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