中文摘要：

光纤加速度计作为新型光纤传感器的一种,在高精度测量领域中有着不可替代的作用.实现光纤加速度计信号的解调,对于进一步提高传感器测量精度以及实用化都有着重要的意义.光源调频相位生成载波技术（PGC）常用于干涉型光纤传感器的信号解调,为了实现整个光纤传感系统的小型化,提高数据处理速度和解调精度,设计制作了应用于盘式光纤加速度计数字解调系统,系统以DSP和FPGA数字系统作为解调硬件电路的核心,实现对微型盘式光纤Michelson干涉仪相位信号检测.实验结果表明,微型盘式光纤加速度测量系统对微小振动信号检测有着很高的灵敏度,是高精度测量领域中的一个重要研究方向.

英文摘要：

Fiber-optic accelerometer which is regarded as a kind of new fiber sensors plays an irreplaceable role in the field of precision measurement.Realization of fiber-optic signal demodulation is benefit for improving the accuracy of the sensor measurement and accelerating its utilization.Light FM phase generated carrier（PGC） is usually exploited for the demodulation of interferometric fiber-optic sensors signals.In order to achieve miniaturization of the fiber optic sensing system,improve the speed of data processing and demodulation accuracy,the design of fiber optic accelerometer digital system was proposed.By the demodulation hardware DSP and FPGA,the system detects the mini-disc fiber-optic Michelson interferometer phase signal.The experimental results showed that the mini-disc fiber acceleration measurement system had high sensitivity for small vibration signal detection,it was the highlight in the field of precision measurement.