CYCLE ESTIMATION DEVICE FOR PULSE TRAIN SIGNAL, CYCLE ESTIMATION METHOD FOR PULSE TRAIN SIGNAL, AND CYCLE ESTIMATION PROGRAM FOR PULSE TRAIN SIGNAL

CYCLE ESTIMATION DEVICE FOR PULSE TRAIN SIGNAL, CYCLE ESTIMATION METHOD FOR PULSE TRAIN SIGNAL, AND CYCLE ESTIMATION PROGRAM FOR PULSE TRAIN SIGNAL

A cycle estimation device (10) includes: a candidate cycle extraction unit (11) which extracts a candidate cycle that is a cycle determination target from an input time-series pulse train; a pulse train shape analysis unit (12) which converts arrangement of the time-series pulse train into numerical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAGAYAMA, Hiroki, KASHIMA, Shingo, TANIKAWA, Masaki
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A cycle estimation device (10) includes: a candidate cycle extraction unit (11) which extracts a candidate cycle that is a cycle determination target from an input time-series pulse train; a pulse train shape analysis unit (12) which converts arrangement of the time-series pulse train into numerical values on the basis of the extracted candidate cycle and outputs a constant that adjusts a random noise threshold value of pulse repetition interval (PRI) conversion in response to an index indicating a degree of concentration of calculated numerical values; and a cycle detection unit (13) which executes PRI conversion using a value of the candidate cycle and the constant and performs cycle determination and cycle value detection.