Estimation device, estimation method and estimation program

An aggregation unit (15a) aggregates an input pulse train signal including a time-series pulse corresponding to a predetermined observation time into pulses for respective unit times. A calculation unit (15b) calculates a time shift amount of an autocorrelation function using the aggregated pulse tr...

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Bibliographische Detailangaben
Hauptverfasser:	Nagayama, Hiroki, Hu, Bo, Kashima, Shingo, Kamiya, Kazunori
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS PULSE TECHNIQUE REGULATING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An aggregation unit (15a) aggregates an input pulse train signal including a time-series pulse corresponding to a predetermined observation time into pulses for respective unit times. A calculation unit (15b) calculates a time shift amount of an autocorrelation function using the aggregated pulse train signal. A detection unit (15c) calculates an autocorrelation value and a threshold with respect to each of time shift amounts selected in ascending order from the calculated time shift amount and detects the time shift amount as a period of the aggregated pulse train signal when the autocorrelation value exceeds the threshold. A conversion unit (15d) converts the detected period to a period of the input pulse train signal using the unit time. An exclusion unit (15e) excludes the pulse train signal having the converted period from the input pulse train signal.