DELAY MEASURING INSTRUMENT, COMMUNICATION DEVICE, AND DELAY MEASURMENT METHOD

A delay measuring instrument (50) includes a generating unit and a calculating unit. The generating unit is, for example, a multiplier (500a) or a multiplier (500c). The calculating unit is, for example, a maximum value detecting unit (502a) or a maximum value detecting unit (502b). The generating u...

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Bibliographische Detailangaben
Hauptverfasser:	SATO, Tadahiro, AOKI, Nobuhisa, TOBISU, Yusuke, TOWATA, Hiroshi, KAWASAKI, Toshio, MANIWA, Toru
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING TRANSMISSION WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	A delay measuring instrument (50) includes a generating unit and a calculating unit. The generating unit is, for example, a multiplier (500a) or a multiplier (500c). The calculating unit is, for example, a maximum value detecting unit (502a) or a maximum value detecting unit (502b). The generating unit generates an intermediate signal by multiplying one of transmission signals or the complex conjugate of the one of the transmission signals included in the plurality of transmission signals that are transmitted at different frequencies by a reception signal that includes therein an intermodulation signal generated by the plurality of the transmission signals. The calculating unit calculates, based on a correlation value between the intermediate signal and the other one of the transmission signals included in the plurality of the transmission signals, an amount of delay of the other one of the transmission signals with respect to the intermodulation signal.