基于Parzen窗的水下无线传感器网络目标定位方法

发布时间：2018-02-16 10:16

本文关键词： 水下无线传感器网络目标定位方位交线方法 Parzen窗　出处：《电子与信息学报》2017年01期 　论文类型：期刊论文

【摘要】：水声通道复杂多变,使得水下无线传感器网络中节点出现失效的情况,影响了多节点的目标定位性能。为解决这一问题,该文提出一种基于Parzen窗的方位交线定位方法。该方法利用Parzen窗分析所有交点的分布特征,估计目标可能出现在某个位置的概率,将概率最大值对应的点作为目标的估计位置。由于概率分布是非线性、多峰值的,采用带有惯性权重的粒子群算法去求解。仿真实验结果表明,所提方法能够在节点失效的情况下获得较高的目标定位性能,具有较好的鲁棒性。
[Abstract]:The underwater acoustic channel is complex and changeable, which causes node failure in underwater wireless sensor network, which affects the target location performance of multi-node. In this paper, a method of azimuth intersection location based on Parzen window is proposed, which uses the Parzen window to analyze the distribution characteristics of all intersection points, and estimates the probability that the target may appear in a certain position. The point corresponding to the maximum probability is used as the estimated position of the target. Because the probability distribution is nonlinear and multi-peak, the particle swarm optimization algorithm with inertia weight is used to solve the problem. The simulation results show that, The proposed method can obtain high target location performance in the case of node failure and has good robustness.
【作者单位】：西北工业大学航海学院;空军工程大学信息与导航学院;
【基金】：国家自然科学基金(61531015,61501374,61401499) 国家重点实验室基金(9140C230310150C23102)~~
【分类号】：TN929.3;TP212.9

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