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相关概念视频

Errors in Global Positioning System01:26

Errors in Global Positioning System

40
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
40
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

41
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
41
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

48
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
48
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

47
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
47

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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
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优化室内机场导航,使用先进的可见光通信系统.

Manuela Vieira1,2,3, Manuel Augusto Vieira1,2, Gonçalo Galvão1

  • 1DEETC-ISEL/IPL, R. Conselheiro Emídio Navarro, 1949-014 Lisbon, Portugal.

Sensors (Basel, Switzerland)
|August 29, 2024
PubMed
概括

本研究引入了用于室内机场导航的可见光通信 (VLC),使可靠的,独立于GPS的指导成为可能. 该系统优化了路线和交通流在拥挤的终端.

关键词:
基于代理的模拟器模拟器边缘/雾架构的架构.室内导航 室内导航用户行为用户行为.可见光通信 (VLC) 是一种可见光通信.寻找路线的方法

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相关实验视频

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科学领域:

  • 电气工程 电气工程
  • 计算机科学 计算机科学
  • 运输系统 运输系统

背景情况:

  • 在大型拥挤的机场内,室内导航具有挑战性,尤其是在没有GPS的情况下.
  • 现有的导航系统在复杂的环境中往往缺乏准确性和效率.

研究的目的:

  • 开发和评估使用可见光通信 (VLC) 的机场新型室内导航系统.
  • 增强用户体验,优化多终端机场的交通流.

主要方法:

  • 使用四色LED灯具与开关调制 (OOK) 进行数据传输.
  • 实现一个网状细胞混合结构和一个VLC特定的通信协议.
  • 使用光学传感器进行机场建模和用户分析,采用路标算法和边缘/雾集成.

主要成果:

  • 证明有效的数据传输和精确的用户定位 (自我定位,方向推断).
  • 通过基于代理的模拟实现了路线优化和改进的交通控制.
  • 验证了可靠的GPS独立的室内导航,提高了可访问性和便利性.

结论:

  • 可见光通信 (VLC) 为复杂的机场环境中的室内导航提供了强大的解决方案.
  • 边缘/雾集成提高了系统性能,并确保了高效的移动.
  • 拟议的系统显著改善了机场用户的导航,可访问性和交通管理.