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针对光纤陀螺信号处理要求实时性高、算法较为复杂的特点,提出了一种以Xilinx公司的现场可编程门阵列XC6SLX16为基础的闭环光纤陀螺信号处理方案。根据光纤陀螺高精度和匹配性要求,对闭环信号处理系统关键的模数转换器和数模转换器的选择进行了理论分析,并对系统的硬件和软件进行了设计。对试验样机的测试结果表明,该系统能准确快速地实现光纤陀螺信号检测,体积小、功耗低、可靠性高,对光纤陀螺的工程化具有实际的参考意义。
Aiming at the characteristics of high real-time and complicated algorithm of FOG signal processing, a closed-loop FOG signal processing scheme based on Xilinx Field Programmable Gate Array XC6SLX16 is proposed. According to the requirements of high accuracy and matching of FOG, the thesis analyzes the choice of key A / D converters and D / A converters in closed loop signal processing system, and designs the hardware and software of the system. The test results of the test prototype show that the system can accurately and quickly detect fiber optic gyroscope signals, and has the advantages of small size, low power consumption, high reliability and practical reference to the engineering of the fiber optic gyroscope.