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

71
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,...
71
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

69
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...
69
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

81
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...
81
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

96
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,...
96
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

424
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
424
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

489
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
489

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

Size effects of lamellar twins on the strength and deformation mechanisms of nanocrystalline hcp cobalt.

Scientific reports·2017
Same author

Comparative Evaluation of Background Subtraction Algorithms in Remote Scene Videos Captured by MWIR Sensors.

Sensors (Basel, Switzerland)·2017
Same author

The V-ATPase subunit A is essential for salt tolerance through participating in vacuolar Na<sup>+</sup> compartmentalization in Salicornia europaea.

Planta·2017
Same author

Hypo-fractionated SBRT for localized prostate cancer: a German bi-center single treatment group feasibility trial.

Radiation oncology (London, England)·2017
Same author

Reuse of Boron Waste as an Additive in Road Base Material.

Materials (Basel, Switzerland)·2017
Same author

Comparative genome-wide methylation analysis of longissimus dorsi muscles between Japanese black (Wagyu) and Chinese Red Steppes cattle.

PloS one·2017
Same journal

RETRACTED: Zhang et al. A Novel Framework for Reconstruction and Imaging of Target Scattering Centers via Wide-Angle Incidence in Radar Networks. <i>Sensors</i> 2025, <i>25</i>, 6802.

Sensors (Basel, Switzerland)·2026
Same journal

Enhancing Unsupervised Multi-Source Domain Adaptation for Person Re-Identification via Mixture of Experts and Graph-Based Relation.

Sensors (Basel, Switzerland)·2026
Same journal

Development of an Instrumented Glove for Palmar Pressure Assessment in Kayakers.

Sensors (Basel, Switzerland)·2026
Same journal

Development and Experimental Validation of an Autonomous IoT-Based Monitoring System for Real-Time Water Quality Assessment in the Amazon River.

Sensors (Basel, Switzerland)·2026
Same journal

Semi-Supervised Adversarial Learning Framework for Controller Area Network Bus Intrusion Detection.

Sensors (Basel, Switzerland)·2026
Same journal

Smart Optimization Method for Safety Signs in Innovative Manufacturing Environments Integrating Industrial Field IoT Sensors and Knowledge Graphs.

Sensors (Basel, Switzerland)·2026
查看所有相关文章

相关实验视频

Updated: Jul 23, 2025

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

8.0K

一个改进的UWB/IMU紧密合定位算法研究

Airu Zou1, Wenwu Hu1, Yahui Luo1

  • 1College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China.

Sensors (Basel, Switzerland)
|July 14, 2023
PubMed
概括
此摘要是机器生成的。

本研究引入了一种改进的定位策略,将超宽带 (UWB) 和惯性测量单元 (IMU) 结合起来,以克服随机和非视线错误. 与传统方法相比,这种新的方法使定位精度提高了46.15%.

关键词:
扩展的卡尔曼过器没有视线的视线.紧密合的定位位置.超宽带超宽带的使用

更多相关视频

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
16:01

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

Published on: September 24, 2017

10.5K
Picometer-Precision Atomic Position Tracking through Electron Microscopy
15:04

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Published on: July 3, 2021

7.4K

相关实验视频

Last Updated: Jul 23, 2025

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

8.0K
An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
16:01

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

Published on: September 24, 2017

10.5K
Picometer-Precision Atomic Position Tracking through Electron Microscopy
15:04

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Published on: July 3, 2021

7.4K

科学领域:

  • 机器人和导航 机器人和导航
  • 传感器融合式传感器
  • 地理学工程 工程地质学

背景情况:

  • 超宽带 (UWB) 和惯性测量单元 (IMU) 系统对于准确的定位至关重要.
  • 这些系统容易发生随机错误和非视线 (NLOS) 传播问题,降低性能.
  • 现有的定位策略往往难以有效地缓解这些错误来源.

研究的目的:

  • 开发一个改进的定位策略,集成UWB和IMU数据.
  • 解决和减轻UWB/IMU系统固有的随机错误和非视线 (NLOS) 错误.
  • 提高联合UWB-IMU系统的整体定位准确性和可靠性.

主要方法:

  • 使用卡尔曼波器 (KF) 预处理UWB测量以抑制范围突变.
  • 使用扩展卡尔曼波器 (EKF) 融合UWB和IMU测量,使用差异作为测量信息.
  • 集成的非视线 (NLOS) 测量信息和动态调整的实时系统测量噪声共变矩阵.
  • 实现了一个反循环,其中最佳状态估计可以动态调整后续测量UWB范围值.

主要成果:

  • 拟议的方法有效地抑制了UWB范围突变值对组合定位的影响.
  • 测量噪声共变矩阵的实时调整成功地减轻了非视线干扰.
  • 现场实验表明,定位准确度显著提高.
  • 与传统的紧密合方法相比,开发的策略在定位准确度上取得了46.15%的改善.

结论:

  • 改进的定位策略有效地克服了UWB/IMU系统中随机和NLOS错误的局限性.
  • 结合UWB和IMU数据,通过自适应过和NLOS缓解来增强,导致优越的定位性能.
  • 这种方法为导航和定位应用提供了更强大,更准确的解决方案.