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Object tracking is one of the most important applications of WSNs, especially for military usage. Sensor nodes should collect information about intruders and sound alarms to military in good time. Previous protocols suffer from flooding based method or focus on tree-based approaches. We proposed a quorum based protocol that is suitable for multi-sink and multi-object tracking applications. Simulation...
3-D acoustic scattering characteristics calculation will play an important role in characteristic prediction, reduction and identification of an underwater target. In this paper, 3-D acoustic scattering characteristics of an underwater complex target in near-field at high-frequency is effectively calculated based on principle of multi-beam forming and rotating platform imaging using the back-projection...
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