Holux和Qstarz GPS接收机在自由生活条件下的比较:不同主动交通方式下的动态精度

IF 0.9 Q4 SPORT SCIENCES Acta Gymnica Pub Date : 2019-09-30 DOI:10.5507/AG.2019.009
M. Vorlíček, T. Stewart, J. Dygrýn, L. Rubín, J. Mitáš, J. Schipperijn
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引用次数: 2

摘要

背景:体育活动是影响人类健康的主要因素之一。一组重要的决定因素是构成建筑环境的要素。为了正确理解建筑环境和PA之间的关系,我们需要测量空间中的PA。目的:本研究旨在验证Holux RCV-3000 GPS记录仪的准确性,该记录仪尚未与PA进行验证。方法:在步行、跑步和骑自行车过程中测试了两个GPS接收器(Holux RCV-3000和已验证的Qstarz BT-Q1000XT)。每个设备总共记录了1908个GPS点。对于每次行程,我们计算了落在1、2.5、5和10米缓冲区内的点的百分比,以及平均值和中值误差。结果:我们的结果显示,53.1%的Holux和45.1%的Qstarz GPS点位于预期位置的2.5米以内,90%(Holux)和80%(Qstarz)位于10米以内,中位误差分别为2.33米和3.15米。结论:所测试的Holux RCV-3000的动态空间精度优于更昂贵的Qstarz装置,可作为未来工作中评估PA空间位置的有效工具。
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The comparison of Holux and Qstarz GPS receivers in free living conditions: Dynamic accuracy in different active transport modes
Background: Physical activity (PA) is one of the major factors influencing human health. An important group of determinants are elements forming the built environment. For a proper understanding of relationships between the built environment and PA, we need to measure PA in space. Objective: This study aims to verify the accuracy of the Holux RCV-3000 GPS logger, which has not yet been validated in relation with PA. Methods: Two GPS receivers (Holux RCV-3000 and already validated Qstarz BT-Q1000XT) were tested during walking, running and cycling. A total of 1,908 GPS points were recorded by each device. For each trip, we calculated the percentage of points that fell within 1, 2.5, 5, and 10 m buffers, as well as the mean and median error. Results: Our results showed that 53.1% of all Holux and 45.1% of Qstarz GPS points fell within 2.5 m of the expected location, 90% (Holux) and 80% (Qstarz) fell within 10 m and the median error was 2.33 m and 3.15 m, respectively. Conclusions: The dynamic spatial accuracy of the tested Holux RCV-3000 was better than more expensive Qstarz device and can be considered as a valid instrument for assessing the spatial location of PA in future work.
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来源期刊
Acta Gymnica
Acta Gymnica SPORT SCIENCES-
CiteScore
2.00
自引率
0.00%
发文量
7
审稿时长
12 weeks
期刊介绍: The journal "Acta Gymnica" (ISSN 2336-4912 (Print); ISSN 2336-4920 (On-line)), published formerly as "Acta Universitatis Palackianae Olomucensis. Gymnica" (ISSN 1212-1185 (Print); ISSN 1213-8312 (On-line)), focuses on presenting results of research studies and theoretical studies from the field of kinanthropology. The scope of the journal covers topics related to biomechanics, exercise physiology, physiotherapy, somatometry, sports psychology, sports training, physical education, public health, etc. The journal also welcomes submissions that present results of interdisciplinary research.
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