基于机车北斗卫星、GPS双模的CIR卫星定位单元设计

CIR Satellite Positioning Unit Design Based on Dual-mode of Locomotive CNSS and GPS

机车综合无线通信设备(CIR)用于实现机车和调度台之间的通信,卫星定位单元是CIR的重要组成之一,通过双模卫星定位单元的系统架构完成硬件和软件设计。现场试验结果表明,设计的双模卫星定位单元具有北斗卫星、GPS卫星双套定位导航系统定位能力,具有更高的可靠性、稳定性、精确性,满足CIR的通信要求。

The cab integrated radio communication device （CIR） is designed to fulfill the communication between the train and the dispatching station. The satellite positioning unit is one of the important parts of CIR. The design of the hardware and software of the unit is conducted with a dual mode positioning unit system architecture. Field experiment results show that the designed dual mode positioning unit has the combined functions in navigation system positioning of both CNSS and GPS satellite. It has higher reliability, stability, accuracy, and satisfies the requirements of CIR communication.