Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Introduction to Global Positioning System01:30

Introduction to Global Positioning System

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,...
Errors in Global Positioning System01:26

Errors in Global Positioning System

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,...
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

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...
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point served as...
Real-World Applications of Space Curves01:29

Real-World Applications of Space Curves

Modern aerospace navigation depends on the accurate prediction of motion in three-dimensional space. In defense applications, radar systems continuously track both interceptors and moving aerial targets to find whether their flight paths will result in a collision. These motions are modeled mathematically as space curves, which represent paths that change continuously with time. Each object’s position is described by a vector function that specifies its location in terms of time-dependent...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

WILDing the study of developmental trajectories in navigation and wayfinding: Progress and challenges.

The Behavioral and brain sciences·2026
Same author

Aphantasia is associated with spatial memory and navigation difficulties in complex virtual environments.

Neuropsychologia·2026
Same author

Activities of daily living and their neural correlates across the Alzheimer's disease continuum: Evidence from a Latin American cohort.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same author

Beyond traditional assessments of cognitive status: Exploring the potential of spatial navigation tasks.

Behavior research methods·2026
Same author

Standardized methodology for assessing the presence, variants and area of the interthalamic adhesion using anatomical MRI (SNAP-IA): multicentric validation on 565 healthy individuals and multiple neurological disorders.

Brain structure & function·2026
Same author

Brain-injury and Alzheimer's disease biomarkers are elevated in patients with suspected infection and physiological derangement: importance for context-specific interpretation of Alzheimer's biomarkers.

Brain communications·2026

相关实验视频

Updated: Jul 1, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
09:01

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

14.3K

从老年人虚拟导航任务中预测现实世界的导航性能.

Sarah Goodroe1, Pablo Fernandez Velasco2,3, Christoffer J Gahnstrom1

  • 1Department of Psychology, University of Pennsylvania, Pennsylvania, United States of America.

PloS one
|January 27, 2025
PubMed
概括
此摘要是机器生成的。

移动虚拟现实导航测试对评估老年人的空间认知有希望. 在Sea Hero Quest应用程序中执行中等难度任务的表现预测了这个年龄组的现实世界导航技能.

更多相关视频

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
06:28

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

5.9K
Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
06:17

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Published on: January 26, 2024

1.9K

相关实验视频

Last Updated: Jul 1, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
09:01

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

14.3K
A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
06:28

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

5.9K
Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
06:17

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Published on: January 26, 2024

1.9K

科学领域:

  • 认知科学是一种认知科学.
  • 老年学是一门学科.
  • 人与计算机的互动.

背景情况:

  • 虚拟现实 (VR) 提供了评估导航技能的创新方法.
  • 在老年人中,移动VR导航测试的预测有效性尚未得到充分证实.
  • 以前的研究表明,VR导航在年轻人群中具有预测能力.

研究的目的:

  • 评估移动VR导航测试 (Sea Hero Quest) 在预测老年人现实世界定向性能方面的有效性.
  • 为了将VR导航性能与54-74岁的个体的真实世界导航进行比较.
  • 为了确定任务难度是否会影响老年人群VR导航测试的预测准确度.

主要方法:

  • 20名年龄较大的参与者 (54-74岁) 在现实世界的伦敦环境中完成了定向任务和基于移动应用的VR导航测试 (Sea Hero Quest).
  • 来自虚拟环境的导航性能指标与现实世界的导航成功进行了比较.
  • 分析的重点是不同任务难度的虚拟和现实世界导航性能之间的相关性.

主要成果:

  • 虚拟导航性能显著预测了老年人中等难度任务的真实世界导航能力.
  • 在这个群体中,对于容易或困难的虚拟导航任务,没有观察到预测准确度.
  • 这些发现与以前对年轻人群的研究形成鲜明对比,突出了与年龄相关的差异.

结论:

  • 移动VR导航测试对于评估老年人的空间认知可能很有用.
  • 任务难度是一个关键因素;中等难度的VR任务在这个人口中显示出预测现实世界导航的最大希望.
  • 进一步的研究应该考虑为老年人群适应VR任务难度,以最大限度地提高预测有效性.