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相关概念视频

Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

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相关实验视频

Updated: Jun 14, 2026

Evaluation of a Smartphone-based Human Activity Recognition System in a Daily Living Environment
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一个基于蓝牙的智能手机应用程序来检测同行接近:用于评估功能和有效性的协议.

Nancy P Barnett1, Alexander W Sokolovsky1, Matthew K Meisel1

  • 1Department of Behavioral and Social Sciences, Brown University, Providence, RI, United States.

JMIR research protocols
|April 5, 2024
PubMed
概括
此摘要是机器生成的。

这项研究评估了蓝牙信标和智能手机应用程序,以被动跟踪同行接近的实时健康行为研究. 这项技术显示了即时干预的潜力,增强了生态瞬间评估 (EMA).

关键词:
蓝牙技术 蓝牙技术使用酒精使用酒精使用酒精生态瞬间评估 环境瞬间评估手机电话手机电话手机电话被动感应是一种被动感应.近距离检测探测器近距离检测器社会影响力社会影响力

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科学领域:

  • 数字健康和移动健康 (mHealth) 服务
  • 行为科学和社会心理学
  • 生物医学信息学和数据科学

背景情况:

  • 生态瞬间评估 (EMA) 通常研究社会影响,但依赖于自我报告,缺乏实时被动数据.
  • 使用蓝牙信标和智能手机检测的新方法可以被动收集实时交互数据.
  • 这项技术有可能对社会背景和对健康行为的同行影响进行现实研究.

研究的目的:

  • 评估蓝牙信标和智能手机应用系统的功能和有效性.
  • 为了准确地识别两个或两个以上的人在身体接近时.
  • 评估系统在健康行为研究中实时数据收集的实用性.

主要方法:

  • 招募了20名参与者 (18-29岁) 使用安卓智能手机进行为期3周的研究.
  • 使用有影响力的同行携带的蓝牙信标 (Kontakt资产标签) 和智能手机应用程序 (MEI Research) 来进行检测.
  • 通过被动信标检测,信号含量和随机EMA调查以及参与后访谈收集的数据.

主要成果:

  • 招募参与者发生在2023年2月至12月.
  • 预计2025年将获得包括系统功能和有效性在内的完整研究结果.
  • 分析将检查应用程序稳定性,信标检测率,以及被动检测和自我报告之间的一致性.

结论:

  • 开发的基于蓝牙的近距离传感技术为健康行为研究提供了巨大的潜力.
  • 它使社交互动的被动实时数据收集成为可能,克服了传统EMA的局限性.
  • 这项技术支持开发针对高风险行为的即时适应性干预措施.