OPTICAL FIBER TEMPERATURE DISTRIBUTION MEASURING DEVICE

An optical fiber temperature distribution measuring device measures a temperature distribution along an optical fiber by using backward Raman scattering light generated in the optical fiber. The device includes an arithmetic controller that changes a plurality of calibration parameters in conjunctio...

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Bibliographische Detailangaben
Hauptverfasser:	OISHI KAZUSHI, UMENO TERUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	An optical fiber temperature distribution measuring device measures a temperature distribution along an optical fiber by using backward Raman scattering light generated in the optical fiber. The device includes an arithmetic controller that changes a plurality of calibration parameters in conjunction with each other on the basis of a measured temperature value and a reference temperature value at a to-be-measured point, thereby converging a calibrated value of the measured temperature to a true value.