FFT-Based Algorithm for Metering Applications
FFT-BasedAlgorithmforMeteringApplicationsFreescaleSemiconductorDocumentNumber:AN4255Rev.0,11/2011ApplicationNoteFFT-BasedAlgorithmforMeteringApplicationsby:LuděklosaríkRonovCzechSystemCenterCzechRepublicContentsTheFastFourierTransform(FFT)isamathematical1DFTbasics...................................2techniquefortransformingatime-domaindigitalsignal2FFTimplementation.............................3intoafrequency-domainrepresentation
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