Fisher Information of Mine Collapse Hole Detection Based on Sensor Nodes Connectivity

Fisher Information of Mine Collapse Hole Detection Based on Sensor Nodes Connectivity
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基于传感器节点连通性的矿井塌孔检测Fisher信息

DOI:
10.1155/2013/306496
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发表时间:
2013-05
影响因子:
2.3
通讯作者:
胡圣波
胡圣波
中科院分区:
计算机科学4区
文献类型:
--
作者:
胡圣波

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对于煤矿工人来说,探测塌陷孔是非常重要的。针对煤矿巷道狭窄、工作条件恶劣的特点,提出了利用无线传感器网络探测塌陷孔的可能性。通过对三种空洞检测方法的比较,可以看出基于连通性的方法对煤矿塌陷的检测效果要好于其他方法。通过建立煤矿塌陷孔的二维模型,描述了一类煤矿塌陷孔检测算法。基于对数正态阴影通道模型,分析了利用Fisher信息检测煤矿塌陷孔的精度。数值计算表明,基于连通性的定位方法对煤矿塌陷孔的探测效果较好。
It is very important to detect a collapse hole for coal mine workers. The possibility of detecting the collapse hole using WSN is presented because the tunnel in coal mine is narrow and has poor working condition. Comparing three types of the hole detection methods, it is seen that the connectivity-based methods are used to detect coal mine collapse better than other methods. By establishing a 2D model of the collapse hole in coal mine, a class of algorithms for detecting the collapse hole in coal mine is described. Based on log-normal shadowing channel model, the accuracy of detecting the collapse hole in coal mine using Fisher information is analyzed. Numerical calculation shows that connectivity-based localization schemes are better to detect collapse hole of coal mine.
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