无线传感器网络声震节点目标分类综述

Acoustic/Seismic Target Clssification in Wireless Sensor Network

综述了无线传感网络中声音和震动节点目标分类问题。声震目标探测和分类的性能受到复杂外界环境的影响,对特征量提取和分类算法提出较高的要求,同时考虑到传感器网络功耗、带宽等方面的限制,又需要较低复杂度的算法。从地面目标产生声震信号的机理出发,讨论了传感器节点内各种不同的特征量提取和目标分类算法,并予以比较、评价,为实际应用提供指导,最后给出了简要的评述和展望。

The problems of acoustic and seismic target classification .in wireless sensor network are reviewed. Acoustic and seismic target detection and classification accuracy are severely affected by complicated environment conditions, so good feature extraction and classification algorithm are needed to solve these problems. The mechanism of acoustic and seismic signal of ground target is introduced , summarized different feature extraction and classification techniques for application purpose. Finally, a brief future technique development is given.