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引用本文:蓝茂俊,陈正铭,戴经国,张 楠.基于质心的改良Wi-Fi三边定位算法设计与分析[J].软件工程,2016,19(11):1-3.【点击复制】
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基于质心的改良Wi-Fi三边定位算法设计与分析
蓝茂俊,陈正铭,戴经国,张 楠
(韶关学院信息科学与工程学院,广东 韶关 512000)
摘 要: 针对节点不均匀导致的Wi-Fi三边定位算法精度较低的问题,提出了基于质心的改良Wi-Fi三边定位算 法。该算法通过计算相交圆的公共区域所组成的质心来提高对待测点位置估算的精确度,然后通过数据图表分析,证明 基于质心改良后的Wi-Fi三边定位算法的确比原三边定位算法定位精确度更高。
关键词: WI-FI;定位;三边定位算法;质心定位算法
中图分类号: TP393.1    文献标识码: A
Design and Analysis of the Improved Wi-Fi Trilateral LocalizationAlgorithm Based on Centroid
LAN Maojun,CHEN Zhengming,DAI Jingguo,ZHANG Nan
(College of Information Science and Engineering, Shaoguan University, Shaoguan 512000, China )
Abstract: As for the low precision of the Wi-Fi trilateral localization algorithm caused by the uneven distribution of nodes,the paper proposes a new Wi-Fi trilateral localization algorithm based on centroid.The algorithm effectively improves the location estimation accuracy of the measuring points by calculating the centroid of the overlapping areas of intersecting circles.The results of data analysis and chart analysis prove that the improved Wi-Fi trilateral localization algorithm based on centroid actually provides higher precision than the original trilateral localization algorithm.
Keywords: Wi-Fi;localization;trilateral localization algorithm;localization algorithm based on centroid


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