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

Errors in Global Positioning System01:26

Errors in Global Positioning System

32
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,...
32
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

19
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...
19
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

24
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...
24
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

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

Types of Global Positioning System Surveys

44
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...
44
Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

30
Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
30

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

UAV Flight Altitude Measurement Based on AWA-AEIF Dual-Layer Information Fusion Algorithm.

Sensors (Basel, Switzerland)·2026
Same author

Intelligent Visible-Near Infrared Micro-Hyperspectral Sensing System for Rapid Chemical Mapping of Microplastics and Metal Oxides.

ACS sensors·2026
Same author

Identification and assessment of urban groundwater pollution based on Monte Carlo health risk modeling and self-organizing map (SOM).

Journal of contaminant hydrology·2025
Same author

Assessment of soil environmental capacity for heavy metals in Shantou City, Guangdong Province, China: source analysis and enrichment evaluation.

Environmental monitoring and assessment·2024
Same author

Hydrogeochemical evolution of groundwater impacted by acid mine drainage (AMD) from polymetallic mining areas (South China).

Journal of contaminant hydrology·2023
Same author

Fault Estimation Method for Nonlinear Time-Delay System Based on Intermediate Observer-Application on Quadrotor Unmanned Aerial Vehicle.

Sensors (Basel, Switzerland)·2023

相关实验视频

Updated: May 25, 2025

Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation
08:47

Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation

Published on: February 9, 2024

1.3K

基于双模型的无人机改进的UWB室内定位方法.

Zhengrong Xiang1,2, Lei Chen1, Qiqi Wu1

  • 1School of Automation, Guangxi University of Science and Technology, Liuzhou 545006, China.

Sensors (Basel, Switzerland)
|February 26, 2025
PubMed
概括

这项研究引入了无人机的双超宽带 (UWB) 定位系统,降低了部署成本. 这种新的方法实现了十米级的精度,超过了传统的三系统.

关键词:
高度融合的高度融合.室内定位装置 室内定位装置超宽带 (UWB) 是一种超宽带.无人驾驶飞行器 (UAV) 是一种无人驾驶飞行器.没有香味的卡尔曼过器 (UKF)

更多相关视频

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System
08:08

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System

Published on: March 6, 2019

5.2K
Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

7.7K

相关实验视频

Last Updated: May 25, 2025

Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation
08:47

Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation

Published on: February 9, 2024

1.3K
Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System
08:08

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System

Published on: March 6, 2019

5.2K
Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

7.7K

科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 导航系统 导航系统
  • 传感器融合式传感器

背景情况:

  • 超宽带 (UWB) 技术为无人机 (UAV) 室内定位提供了卓越的范围性能.
  • 传统的UWB定位需要至少三个点进行3D本地化,从而增加了部署的复杂性和成本.
  • 减少的数量对于实用和经济的无人机导航系统至关重要.

研究的目的:

  • 开发一个具有成本效益的无人机定位模型,只使用两个UWB.
  • 通过整合来自多个传感器的数据来提高定位准确性,包括测距仪,气压计和加速度计.
  • 通过融合测距仪和气压计数据来提高高度测量的可靠性.

主要方法:

  • 提出了一种双定位模型,将3D定位投射到2D水平平面上,使用测距仪的高度数据.
  • 开发了一种高度融合方法,以整合测距仪和气压计数据,使气压计校准和避开障碍物成为可能.
  • 无气味卡尔曼波器 (UKF) 算法用于多传感器数据融合,将UWB,测距仪,气压计和加速度计数据结合起来.

主要成果:

  • 双模型成功地将3D定位转换为2D定位,精确度提高.
  • 高度融合方法提高了高度测量可靠性,减轻了地面障碍所造成的问题.
  • 模拟和实验表明,双模型实现了十米级的定位精度,超过了三模型.

结论:

  • 拟议的双定位模型为无人机室内导航提供了可行和准确的解决方案.
  • 使用UKF的多传感器数据融合显著提高了双系统中的定位精度.
  • 这种方法为无人机的传统多UWB定位系统提供了一种实用且具有成本效益的替代方案.