摘要
介绍了光纤光栅激光传感器的传感机理和信号的解调算法,设计并实现了一种基于LabView光纤传感检测系统。实验得出该传感检测系统成功解调传感器被测信号,系统噪声达10-6pm/Hz(1/2),动态范围达到了120dB@100Hz,线性度达到了0.9999。结果表明:该检测系统性能可靠,可对光纤光栅传感器信号进行实时的解调。
In this paper,the theory of fiber grating sensor and the demodulation algorithm is introduced,and a detection system for Fiber Laser Sensor based on Lab View is designed. The experiment shows the system successfully demodulates the signal,which achieves a resolution of 10- 6pm/Hz(1/2),a dynamic range of 120 d B@100 Hz and a linearity of 0. 999 9,and this system has a stable performance of real-time demodulation.
出处
《石家庄铁道大学学报(自然科学版)》
2015年第3期76-80,共5页
Journal of Shijiazhuang Tiedao University(Natural Science Edition)
关键词
光纤光栅
检测系统
灵敏度
动态范围
fiber grating sensor
detection system
resolution
dynamic range