三轴一体光纤陀螺定位定向系统的导航计算机设计

针对三轴一体光纤陀螺定位定向系统的设计要求，提出了基于DSP和FPGA导航计算机设计方案。主要从硬件设计和软件设计对导航计算机进行了介绍，硬件设计主要讲述导航计算机的设计原理以及DSP和FPGA芯片的选型；软件设计主要阐述了FPGA和DSP各自完成的功能，并对FPGA数据采集及处理以及导航计算机与控制显示器之间的通信进行了说明。经过系统的静态寻北试验及跑车试验验证，设计的导航计算机可满足系统的各项要求。

The Design of Navigation Computer for Three-axis Integrative Fiber Optic Gyro Positioning and Orientating System

According to the acceptance requirements of the three-axis integrative fiber optic gyro positioning and orientating system, the design scheme of navigation computer based on DSP and FPGA is proposed in this paper. The hardware design and software design are introduced respectively, the principle of navigation computer and selection of DSP and FPGA chips are expatiated in hardware design part; The functions of FPGA and DSP are described in software design part,besides,the data acquisition and disposal of FPGA and communication between navigation computer and control display are introduced.The static northseeking results and field-test results of system indicate the navigation computer can reach the acceptance requirements of this system.