In this paper a method for estimating the spectral content of frequency modulated waveforms is presented. The method is intended to estimate harmonics and interharmonics of power line signals where, as known, the frequency of the fundamental component (50 Hz or 60 Hz) slightly changes over time. It is based on the non-uniform resampling of the harmonic functions that are usually used in the DFT as a base to analyze signals. The non-uniform sample period is provided by an instantaneous phase detector
Spectral estimation technique for nonstationary signals of power systems / Adamo, Francesco; Cavone, Giuseppe; Di Nisio, Attilio; Savino, Mario; Spadavecchia, Maurizio. - STAMPA. - (2014), pp. 654-658. (Intervento presentato al convegno IEEE International Instrumentation and Measurement Technology Conference: Instrumentation and Measurement for Sustainable Development, I2MTC 2014 tenutosi a Montevideo, Uruguay nel May 12-15, 2014) [10.1109/I2MTC.2014.6860824].
Spectral estimation technique for nonstationary signals of power systems
Adamo, Francesco;Cavone, Giuseppe;Di Nisio, Attilio;Savino, Mario;Spadavecchia, Maurizio
2014-01-01
Abstract
In this paper a method for estimating the spectral content of frequency modulated waveforms is presented. The method is intended to estimate harmonics and interharmonics of power line signals where, as known, the frequency of the fundamental component (50 Hz or 60 Hz) slightly changes over time. It is based on the non-uniform resampling of the harmonic functions that are usually used in the DFT as a base to analyze signals. The non-uniform sample period is provided by an instantaneous phase detectorI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
