极大似然算法和三边定位算法的定位图，误差比较以及锚节点数对于定位算法的影响。-Maximum likelihood algorithm and trilateral localization algorithm locator map error comparison and anchor nodes for localization algorithm impact.

DVHOP定位,一种基于非测距的极大似然定位算法和三边定位算法的误差比较(DVHOP localization, a comparison between the maximum likelihood location algorithm based on non ranging and the three side location algorithm.)