Influence of temperature effect on Fabry-Perot cavity optical fiber sensor system is analyzed and the projects of self-compensation for temperature effect are put forward.

分析了温度效应对f - P腔光纤液位传感器系统的影响，提出相应的解决方案以实现对温度效应的自补偿。

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A scheme of measuring fiber grating reflective wavelength by tunable Fabry perot cavity, which contains a PZT, is proposed. It can transform the wavelength into electrical signals directly.

提出了一种利用压电陶瓷构成的可调谐法布里-珀罗腔测量光纤光栅反射波长的方案，该方案可以直接将波长转换为电信号。

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In order to demodulate optic fiber Fabry-Perot sensors multiplexed in parallel with high accuracy and absolute cavity length, an improved cross-correlation demodulation method is proposed.

为了实现光纤法-珀传感器并联复用信号的高精度、绝对腔长解调，提出了一种改进的互相关解调法。

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