Utilizing relative ranging information for satellite-net autonomouspositioning is an effective approach to improve positioning accuracy andrelieve ground-burden. A method blending relative ranging data forimproving positioning accuracy is given in this paper. Simulation resultsindicate that the method is effective.%利用卫星网之间的相互测量信息, 实现卫星网的自主定位是提高整个卫星网定位精度和减轻地面工作负担的有效途径. 本文提出利用卫星间的相对距离测量信息对卫星网整体进行数据融合处理, 以达到提高卫星网自身定位精度的目的, 仿真结果表明这一方案是有效的.
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