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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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Field Application of Global Positioning System01:28

Field Application of Global Positioning System

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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...
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Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

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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...
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Errors in Global Positioning System01:26

Errors in Global Positioning System

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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,...
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Introduction to Global Positioning System01:30

Introduction to Global Positioning System

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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,...
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设计和测试一个物联网低成本PPP-RTK增强GNSS定位设备.

Domenico Amalfitano1, Matteo Cutugno2, Umberto Robustelli3

  • 1Department of Electrical Engineering and Information Technology, University of Naples Federico II, 80125 Naples, Italy.

Sensors (Basel, Switzerland)
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概括

一个新的物联网 (IoT) 全球导航卫星系统 (GNSS) 设备实现了分米级准确度的实时定位. 这种低成本的解决方案适用于城市运动应用,提供可靠的性能和数据可访问性.

关键词:
在GNSS中使用GNSS.这就是为什么物联网物联网物联网.公共公共合作伙伴关系-RTK完美点 完美点 完美点 完美点高精度定位定位 - 高精度定位定位低成本的硬件,低成本的硬件.大众市场导航导航u-blox ZED-F9P 这样一个

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科学领域:

  • 地理学工程 工程地质学
  • 卫星导航系统 卫星导航系统
  • 物联网的物联网,就是物联网.

背景情况:

  • 全球导航卫星系统 (GNSS) 多星座,多频接收器的进步使得准确的定位成为可能.
  • 现有的技术,如网络实时动态 (RTK) 和精确点定位 (PPP),对于大规模或动态应用具有局限性.
  • 对于新兴应用,需要实时,低成本,准确的定位解决方案.

研究的目的:

  • 开发和评估一个低成本的物联网 (IoT) GNSS设备,用于实时运动定位.
  • 在城市环境中实现十米水平的水平和垂直精度.
  • 确保解决方案的可用性,并为物联网网络集成提供连接.

主要方法:

  • 使用低成本硬件开发一个物联网GNSS设备.
  • 与通过IP提供的商业精确点定位实时动力学 (PPP-RTK) 校正服务的集成.
  • 在城市环境中进行车载动力学测试以评估性能.

主要成果:

  • 开发的物联网GNSS设备实现了水平和垂直定位的十米级准确度.
  • 该设备在动力学测试中证明了目标解决方案的可用性.
  • 综合物联网端口被证明可以通过互联网连接传输位置解决方案.

结论:

  • 低成本的物联网GNSS设备成功地满足了在城市动态场景中实时,十米级精确定位的要求.
  • 该设备的设计有助于整合到物联网网络中,从而实现广泛的数据收集和应用.
  • 混合PPP-RTK方法为具有成本效益和高精度的GNSS应用提供了可行的解决方案.