At the present time, the mainstream optical filter techniques including dielectric thin-film filter, array waveguide (AWG), Fabry-Perot (F-P) filter, fiber Bragg grating (FBG).
目前主要滤波技术有薄膜干涉滤波器、阵列波导光栅(awg)和光纤布拉格光栅(FBG)。
Choose a distributed FBG sensing demodulation system, namely tunable F-P filter method.
选定了一套分布式FBG传感解调系统，即可调谐f - P滤波法。
F-P tunable filter demodulation system is choosed by FBG landslide monitoring system.
滑坡监测系统最终选择光纤f - P可调滤波器解调法。
Demodulation experiment is done using fiber F-P sensor and FBG sensor respectively, the results are as following: The choosing tunable fiber F-P filter can meet the requirement of system;
分别使用光纤F-P和FBG传感器进行解调实验，实验结果表明：选用的可调珐珀滤波器能够很好的满足系统要求；
Demodulation experiment is done using fiber F-P sensor and FBG sensor respectively, the results are as following: The choosing tunable fiber F-P filter can meet the requirement of system;
分别使用光纤F-P和FBG传感器进行解调实验，实验结果表明：选用的可调珐珀滤波器能够很好的满足系统要求；
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