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在水声传感器网络的应用中,只有当传感器节点的位置已知,获得的信息才具有意义.因此,节点定位技术是水声传感器网络研究的一个重点和热点.首先分析了在水声环境中的传感器网络节点定位技术的特点;在此基础上分类介绍了距离无关定位算法和距离相关定位算法,其中重点阐述和分析了距离相关算法的测距技术、基于固定锚节点算法和基于移动锚节点算法;最后总结并展望了水声传感器网络节点定位技术的发展与研究方向.
In the application of underwater acoustic sensor network, the obtained information is of significance only when the position of the sensor node is known.Therefore, the technology of node localization is a focus and hot point in the research of the underwater acoustic sensor network.Firstly, Based on the characteristics of the sensor network node positioning technology; on this basis, introduced the distance-unrelated positioning algorithm and distance-related positioning algorithm, which focuses on and describes the distance-related algorithm ranging technology, based on the fixed anchor node algorithm and mobile anchor node Finally, the development and research direction of underwater acoustic sensor network node location technology are summarized and prospected.