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相关概念视频

Compass01:23

Compass

18.4K
The compass is a fundamental instrument that operates by aligning its magnetic needle with Earth's magnetic field. This alignment facilitates navigation and orientation, offering a means to determine direction relative to magnetic north. However, the magnetic needle points to magnetic north, which differs slightly from true geographic north due to magnetic declination, which is the angular deviation between these two points. Declination varies based on geographic location and shifts over time...
18.4K
Latitudes and Departures01:27

Latitudes and Departures

837
Latitudes and departures are essential concepts in surveying, providing a systematic way to analyze the projections of traverse lines. These projections allow surveyors to interpret a line's north-south and east-west components, which are crucial for precisely calculating areas, bearings, and lengths. Latitude is the north-south projection of a line, calculated as the product of the line's length and the cosine of its bearing. Departure, conversely, is the east-west projection obtained by...
837
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

826
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,...
826
Errors in Global Positioning System01:26

Errors in Global Positioning System

463
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,...
463
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

401
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...
401
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

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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...
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相关实验视频

Updated: May 4, 2026

Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation
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Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation

Published on: October 8, 2011

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实践测试有助于向前导航,但在地图学习过程中破坏了向后导航.

Shaohang Liu1,2, Chunliang Yang1,2

  • 1Institute of Developmental Psychology, Faculty of Psychology, Beijing Normal University, Beijing 100875, China.

Journal of Intelligence
|April 25, 2025
PubMed
概括
此摘要是机器生成的。

实践测试通过帮助向前导航来改善学习地图路线,但可以阻碍向后导航. 在实践测试期间显示光标跟踪可以减轻这种负面影响.

关键词:
倒向导航是指向后的导航系统.前方导航是指向前方导航的导航系统.地图学习地图学习边缘信息 边缘信息测试效果测试效果的测试

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相关实验视频

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Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation

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科学领域:

  • 认知心理学 认知心理学
  • 教育心理学教育心理学
  • 空间认知 空间认知

背景情况:

  • 检索实践是一种强大的学习策略,优于重新学习等方法.
  • 它在空间学习,特别是地图导航中的有效性仍未得到充分探索.

研究的目的:

  • 调查检索实践对学习地图路线的影响.
  • 检查实践测试如何影响向前和向后导航.
  • 识别影响空间记忆任务测试效果的因素.

主要方法:

  • 进行了三项实验,将检索实践 (测试) 与重新学习进行比较,以学习地图路线.
  • 参与者在前方和后方的方向上导航路线.
  • 实验3通过包括光标跟踪来操纵检索实践.

主要成果:

  • 检索实践增强了前向导航和路线详细信息的内存.
  • 对于向后导航,观察到一个负面的测试效应,与再学习相比,测试会损害性能.
  • 包括在检索练习期间的光标跟踪消除了对向后导航的负面影响.

结论:

  • 检索实践有助于学习前进地图路线.
  • 它可能会损害向后导航,特别是当需要精神重组和旋转时.
  • 可视化学习过程,例如通过光标跟踪,可以优化复杂的空间任务的检索实践.