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相关概念视频

Introduction to Global Positioning System01:30

Introduction to Global Positioning System

59
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,...
59
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

45
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...
45
Introduction to GIS01:28

Introduction to GIS

65
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
65
Errors in Global Positioning System01:26

Errors in Global Positioning System

44
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,...
44
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

55
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...
55
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

30
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...
30

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GPS是如何使用的? 了解导航系统的使用及其与空间能力的关系.

Alexis Topete1, Chuanxiuyue He2,3, John Protzko4

  • 1Department of Psychological and Brain Sciences, University of California, Santa Barbara, USA. alexistopete@ucsb.edu.

Cognitive research: principles and implications
|March 20, 2024
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概括
此摘要是机器生成的。

高GPS依赖与较差的导航技能和增加的空间焦虑相关. 人们在熟悉的地区更少使用GPS,这表明它增强了他们天生的空间知识,而不是取代它.

关键词:
取决于GPS的依赖性使用GPS使用GPS.导航 导航 导航 导航 导航空间能力 空间能力

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科学领域:

  • 认知心理学 认知心理学
  • 人与计算机的交互
  • 导航科学 导航科学

背景情况:

  • 全球定位系统 (GPS) 在日常导航中无处不在.
  • 有限的研究存在于GPS使用变化及其与导航能力的联系.

研究的目的:

  • 在不同的导航场景中调查GPS依赖性和使用模式.
  • 检查GPS使用,空间能力和空间焦虑之间的关系.
  • 确定GPS使用是否受到环境熟悉度的调节.

主要方法:

  • 评估GPS依赖 (感知需要) 和GPS使用 (功能使用频率).
  • 通过自我报告和学习新环境来测量空间能力.
  • 分析了两项研究中249名参与者的GPS指标,空间能力和空间焦虑之间的相关性.

主要成果:

  • GPS依赖与导航性能和方向感有负相关性,但与空间焦虑有正相关性.
  • 频繁使用循环GPS方向与较差的方向感和更高的空间焦虑有关.
  • GPS主要用于时间/交通估计;随着对环境的熟悉,使用量下降.

结论:

  • 个人根据他们的知识,能力和信心来调节GPS的使用.
  • GPS通常用于增强,而不是取代现有的空间环境知识.
  • 这些发现突出了技术,认知和导航行为之间的复杂相互作用.