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Related Concept Videos

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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Absolute Motion Analysis- General Plane Motion01:24

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Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
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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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Errors in Global Positioning System01:26

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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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Types of Global Positioning System Surveys01:30

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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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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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Related Experiment Video

Updated: Sep 25, 2025

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
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Drone-Based Position Detection in Sports-Validation and Applications.

Tiago Guedes Russomanno1,2, Patrick Blauberger1, Otto Kolbinger1

  • 1Chair of Performance Analysis and Sports Informatics, Department of Sport and Health Sciences, Technical University of Munich, Munich, Germany.

Frontiers in Physiology
|May 2, 2022
PubMed
Summary

A novel drone-based electronic performance and tracking system (EPTS) offers a promising alternative for sports analytics. This video-tracking approach provides accurate positional data comparable to established systems, enhancing performance analysis in various sports.

Keywords:
dronegame sportposition detectionvalidationvideo based

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Area of Science:

  • Sports Science and Technology
  • Performance Analysis
  • Biomechanics

Background:

  • Electronic performance and tracking systems (EPTS) are crucial for sports analysis.
  • Existing radio and video-based EPTS have limitations in data capture and application scope.
  • Drone-based aerial perspectives offer a novel approach to sports tracking.

Purpose of the Study:

  • To validate a new drone-based video-tracking system for sports performance analysis.
  • To compare the accuracy and consistency of drone-captured positional data against established EPTS.
  • To explore the potential applications of drone-based EPTS in game and racket sports.

Main Methods:

  • A single drone-mounted camera captured bird's eye view footage for video tracking.
  • Positional data from the drone system was compared with radio-based systems (GPS, LPS).
  • Validation occurred across three sports (tennis, soccer, Ultimate Frisbee) on different surfaces and altitudes.

Main Results:

  • The drone-based system demonstrated acceptable static accuracy (0.02m on clay, 0.15m on grass).
  • Measured distances showed low absolute differences compared to established systems (2.36%–2.78%).
  • High consistency was observed with an overall Intra-class Correlation (ICC) value of 0.998.

Conclusions:

  • Drone-based position detection is a viable and promising alternative to current EPTS.
  • The system shows potential for accurate performance analysis in diverse sports settings.
  • Further research comparing dynamic scenarios and a wider range of sports is recommended.