闭环光纤陀螺数字检测方法研究及实现

Research and Realization of Digital Detection Method on Closed Loop FOG

高精度光纤陀螺是制导与导航系统主要组成部分。采用基于数字信号调制解调技术对光纤陀螺进行闭环控制可以有效地提高光纤陀螺的精度。本文以高速数字信号处理芯片(DSP)和大规模可编程逻辑器件(FPGA)为基础,研制成功基于阶梯波调制技术的闭环光纤陀螺全数字式信号检测系统,并给出了性能及测试结果。

High precision FOG is the important part of guidance system. The closed-loop control method based on digital modulating and demodulating technology can greatly improve the precision of FOG. DSP and FPGA are successfully used to develop the digital closed-loop detecting system of FOG based on the ramp wave modulating technology. In the end the result of test and performance is given out.