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Analysis and Test of a Distributed FBG Sensor System by Optical Frequency Domain Reflectometry Technique

机译:分布式FBG传感器系统的频域反射法分析与测试。

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摘要

An optical frequency domain technique is applied in this paper. The sampling method generally used is analyzed here. Calculations consequence shows that sampling signal from branch composed with double reflectors seems not so excellent in simulation, signal periods of this arm due to different distance of reflectors are compared, and consequence shows coincidence with principle and simulation. It means proportional relationship of frequency and distance of double reflectors. Strain is added to FBG sensor and measured at a point of optical fiber arm, with its location tested also.
机译:本文采用了光频域技术。在此分析通常使用的采样方法。计算结果表明,由双反射器组成的支路的采样信号在仿真中似乎并不是那么好,由于反射器距离的不同,该支臂的信号周期进行了比较,结果与原理和仿真吻合。这意味着双反射器的频率和距离成比例关系。将应变添加到FBG传感器中,并在光纤臂的某个点进行测量,并对其位置进行测试。

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