D-S证据理论数据融合，主同步信号PSS在时域上的相关仿真，采用加权网络中节点强度和权重都是幂率分布的模型，应用小区域方差对比，程序简单，数学方法是部分子空间法。-D-S evidence theory data fusion, PSS primary synchronization signal in the time domain simulation related, Using weighted model nodes in the network strength and weight are power law distribution, Application of small area variance comparison, simple procedures, Mathematics is part of the subspace.