基于Verilog HDL的三轴光纤陀螺时分复用系统数字滤波电路的实现

Digital Filter Realization for Time-division Multiplexing of Three-axis Integrative Fiber Optic Gyroscopes Using Verilog HDL

随着光纤惯性导航系统和光纤陀螺小型化技术的发展,开展三轴一体化光纤陀螺的研究是当前的一个主流。文章首先介绍了三轴一体化光纤陀螺时分复用技术方案,基于FPGA器件,运用Verilog HDL实现梳状滤波功能,完成了三轴一体化光纤陀螺时分复用系统数字滤波电路的设计,减小了电路系统的体积,降低了功耗,满足系统要求,实现了系统的小型化。

With the development of miniaturization for fiber inertial navigation system and fiber optic gyroscopes,research on three-axis integrative fiber optic gyroscopes is mainstream now.In the first place the time-division multiplexing scheme of three-axis integrative fiber optic gyroscopes is introduced.Digital filter circuit for time-division multiplexing of three-axis integrative fiber optic gyroscopes is achieved based on FPGA and comb filter function is realized using Verilog HDL.The bulk of circuitry system and power are reduced.The miniaturization of system is realized and satisfied the requirement of system.