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摘要: 针对无线传感器网络中DVHop定位算法在未知节点到信标节点距离计算中的不足,提出了一种改进算法。该算法考虑了未知节点到信标节点路径中相邻三个节点A, B, C组成的夹角∠ABC对距离的影响,根据与B相邻的A, C节点的邻节点集重叠度估算夹角的大小,从而更精确计算出距离,提高定位精度。