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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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Gyroscope01:02

Gyroscope

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A gyroscope is defined as a spinning disk in which the axis of rotation is free to assume any orientation. When spinning, the orientation of the spin axis is unaffected by the orientation of the body that encloses it. The body or vehicle enclosing the gyroscope can be moved from place to place, while the orientation of the spin axis remains the same. This makes gyroscopes very useful in navigation, especially where magnetic compasses cannot be used, such as in crewed and crewless spacecraft,...
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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,...
38
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

26
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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Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

51
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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Azimuths and Bearings01:19

Azimuths and Bearings

98
Azimuths and bearings are essential concepts in surveying, providing methods to express the direction of a line relative to a meridian. Azimuths refer to the clockwise angle measured from the north end of a reference meridian to the given line, ranging from zero to 360 degrees. This method gives a comprehensive directional reference within a full 360-degree circle, making it a straightforward way to communicate direction in various fields, including navigation, cartography, and...
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Related Experiment Video

Updated: Jun 11, 2025

Flying Insect Detection and Classification with Inexpensive Sensors
05:16

Flying Insect Detection and Classification with Inexpensive Sensors

Published on: October 15, 2014

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flyDetect: An Android Application for Flight Detection.

Jonas Reinholdt1, Eric Jul1, Paulo Ferreira1

  • 1University of Oslo-The Faculty of Mathematics and Natural Sciences-Informatics Department, 0316 Oslo, Norway.

Sensors (Basel, Switzerland)
|September 28, 2024
PubMed
Summary

This study introduces flyDetect, an Android app that automatically detects flights using smartphone sensors. It enables automatic airplane mode activation, enhancing flight safety and device management.

Keywords:
Androiddetectionflysensors

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Aerospace Engineering

Background:

  • Transport mode recognition is a growing research area, yet flight detection has been largely overlooked.
  • Automatic airplane mode activation on smartphones is crucial for preventing potential interference with aircraft systems.
  • Existing context-aware applications could benefit from reliable flight detection capabilities.

Purpose of the Study:

  • To propose and validate flyDetect, a novel method for automatic flight detection using smartphone sensors.
  • To develop a practical application demonstrating the feasibility of the proposed flight detection system.
  • To ensure timely and accurate detection of flight take-off and landing for seamless device management.

Main Methods:

  • Utilized accelerometer and barometer sensors integrated within an Android smartphone.
  • Developed a system, flyDetect, to process sensor data for identifying flight phases.
  • Implemented a notification mechanism to alert other applications or device systems about detected flight status.

Main Results:

  • The flyDetect system successfully detected the start and end of flights.
  • The system demonstrated its viability through a functional Android application.
  • Evaluation results confirmed that flyDetect meets the defined requirements for flight detection.

Conclusions:

  • flyDetect offers a promising solution for automatic flight mode detection on smartphones.
  • The developed system can enhance flight safety by managing device radio frequency transmissions.
  • This research opens avenues for improved context-aware applications and mobile device management during air travel.