Abstract
ABSTRACT The some important problems for quantitative measurement of the structure vibration by interferometricoptical fiber sensor which is embedded in civil engineering and composite material structure are described in this paper. Here are mainly:1 .The classification of interferometric optical fiber sensor 2. The calibration of sensitivity coefficient of optical fiber material3. The method of signal processing and quantitative analysis for stable vibration4.The method ofsignal processing and quantitative analysis for random vibration 5 . The embedded method of optical fiber sensor in the structure6. The measurement sensitivity and procession.Keywords: interferometric optical fiber sensor, quantitative measurement, stable vibration, random vibration, vibration response 1. INTRODUCTION Recently fiber optic smart material which is imbedded in structure to detecting stress and strain state and forecasting damage of the structure is widely used in the aviation and build ship and building. The some importantproblems for quantitative measurement of the structure vibration by interferometric optical fiber sensor, which isembedded in civil engineering and composite material structure, are described in this paper and this research willpromote development and use in structure engineering. Here are mainly:
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