| 基于运动捕捉系统的UWB室内定位精度标定方法 |
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| 引用本文： | 刘智伟,李建胜,王安成,贾骏超,王俊亚.基于运动捕捉系统的UWB室内定位精度标定方法[J].测绘科学技术学报,2017,34(2). |
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| 作者姓名： | 刘智伟 李建胜 王安成 贾骏超 王俊亚 |
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| 作者单位： | 信息工程大学,河南郑州450001;北斗导航应用技术河南省协同创新中心,河南郑州450001 |
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| 摘 要： | 为了对UWB(Ultra Wide-Band)室内定位系统精度进行有效的评估,提出了一种基于运动捕捉系统的UWB室内定位精度标定方法。该方法的实现是基于两个实验完成的。其一是使用全站仪对运动捕捉系统进行精度验证,通过布尔莎七参数坐标转换模型对实验数据进行处理,表明了运动捕捉系统的精度满足要求,可以用于标定UWB室内定位系统的精度。其二是通过运动捕捉系统来标定UWB室内定位系统的精度,以运动捕捉系统采集的数据为真值,将UWB室内定位系统采集的数据与运动捕捉系统采集的数据进行比较,得出的标定结果符合实际情况,表明了标定方法是有效和可靠的。
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| 关 键 词： | UWB室内定位精度 标定方法 运动捕捉系统 精度验证 坐标转换 |
Calibration Method of UWB Indoor Positioning Accuracy Based on Motion Capture System |
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| LIU Zhiwei,LI Jiansheng,WANG Ancheng,JIA Junchao,WANG Junya.Calibration Method of UWB Indoor Positioning Accuracy Based on Motion Capture System[J].Journal of Zhengzhou Institute of Surveying and Mapping,2017,34(2). |
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| Authors: | LIU Zhiwei LI Jiansheng WANG Ancheng JIA Junchao WANG Junya |
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| Abstract: | In order to conduct efficient assessment for the accuracy of the UWB(Ultra Wide-Band) indoor positioning system,a UWB indoor positioning accuracy calibration method based on the motion capture system was put forward.The method was realized by two experiments.In one of the experiments,accuracy verification on the motion capture system was conducted using total station instrument,and the experimental data processing was conducted through Bursa seven parameter coordinate transformation model,which indicates that the accuracy of the motion capture system can meet the requirements and the method can be used in calibrating the accuracy of UWB indoor positioning system.In the second experiment,the accuracy of UWB indoor positioning system was calibrated using motion capture system.Data collected from motion capture system were compared with data collected from UWB indoor positioning system when they were as true value.As the obtained calibration results were in accordance with the actual conditions,the calibration method was verified to be efficient and reliable. |
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| Keywords: | UWB indoor positioning accuracy calibration method motion capture system accuracy verification coordinate transformation |
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