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An intelligent FFT-analyzer

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4 Author(s)
G. Betta ; Dept. of Ind. Eng., Cassino Univ., Italy ; M. D'Apuzzo ; C. Liguori ; A. Pietrosanto

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

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:47 ,  Issue: 5 )