基于云计算的卫星定位误差补偿方法的研究

Research on Satellite Positioning Error Compensation Method Based on Cloud Computing

卫星导航系统在定位过程中存在着误差,传统的差分定位方法的补偿精度随着距基准站距离的增加而降低。为弥补现有方法的不足,提高定位精度,在分析了卫星定位的原理以及现有卫星定位误差补偿方法的基础上,利用云计算的误差处理应用架构,提出了云计算的卫星定位误差补偿方法。针对电离层造成的误差,构建了云端北斗/GPS组合定位电离层延迟补偿模型,给出了模型。仿真结果表明,改进模型能够提高卫星定位精度,验证了云计算的卫星定位误差补偿方法的有效性,为进一步研究卫星导航系统的定位误差奠定了基础。

This paper analyzed satellite positioning principle and the existing satellite positioning error compensa- tion methods and proposed the application architecture of cloud computing error processing. The satellite positioning error compensation method was given based on cloud computing. According to the error caused by the ionosphere, i- onospheric delay compensation model was provided for cloud computing in building BD/GPS integrated positioning, and also a processing method of the model was provided. At last, the experiment shows that the model improves the positioning accuracy, and verifies the effectiveness of satellite positioning error compensation method applying in cloud computing, which establishes the foundation for the research on error compensation of satellite navigation system.