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A frequency-domain procedure for accurate real-time signal parameter measurement

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2 Author(s)
Offelli, C. ; Dipartimento di Elettronica e Inf., Padova Univ., Italy ; Petri, D.

A method for real-time measurement of multifrequency waveforms based on the evaluation of certain energy parameters is discussed. Very low processing effort is achieved by means of a frequency-domain approach, whereas amplitude, frequency, and phase of each spectral component are obtained with high accuracy. Unlike other frequency-domain methods, the proposed procedure provides accurate results even with a small number of analyzed samples and with measurements taken over a short time interval; therefore, real-time tracking of time-varying signals can be achieved

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Instrumentation and Measurement, IEEE Transactions on  (Volume:39 ,  Issue: 2 )