Method and system for measuring band pass filtered phase noise of a repetitive signal

A method and system acquires a set of samples of a periodic signal, and calculates a variance between the set of samples and an ideal set of samples to create a variance data set. The method and system further calculates an FFT of the variance data set, filters the calculated FFT of the variance dat...

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Bibliographische Detailangaben
Hauptverfasser:	DASCHER DAVID J, CAROLE JAMES A, EADS RICHARD D, HOLLOWAY MICHAEL C
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method and system acquires a set of samples of a periodic signal, and calculates a variance between the set of samples and an ideal set of samples to create a variance data set. The method and system further calculates an FFT of the variance data set, filters the calculated FFT of the variance data set, calculates an inverse FFT on the filtered data set, and measures the resulting time domain signal.