首页> 外文会议>Conference on Advanced Sensor Systems and Applications, Oct 15-18, 2002, Shanghai, China >The dynamic base line matching method to increase the stability of distributed optical fiber temperature sensors
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The dynamic base line matching method to increase the stability of distributed optical fiber temperature sensors

机译:动态基线匹配方法可提高分布式光纤温度传感器的稳定性

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摘要

In the development of distributed optical fiber temperature sensors, there is big noise in the measured temperature curve. The noise is caused by the fluctuation of laser power. If the laser power fluctuates more than 5%, then there will be very large noise in the demodulated temperature OTDR curve. A new method called dynamic base line matching is taken to eliminate this noise. The experiment result is quite well.
机译:在分布式光纤温度传感器的开发中,测得的温度曲线中存在很大的噪声。噪声是由激光功率的波动引起的。如果激光功率波动超过5%,则解调后的温度OTDR曲线中将有非常大的噪声。采用了一种称为动态基线匹配的新方法来消除这种噪声。实验结果很好。

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