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相关概念视频

Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

54
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

43
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,...
43
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

27
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...
27
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

42
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...
42
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

55
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,...
55
GIS Software, Hardware, and Sources of GIS Data01:23

GIS Software, Hardware, and Sources of GIS Data

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A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
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相关实验视频

Updated: Jun 22, 2025

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
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GNSS干扰和伪造数据集数据集

Xiaoyan Wang1, Jingjing Yang1, Ming Huang1

  • 1School of Information Science and Engineering, Yunnan University, Kunming 650091, China.

Data in brief
|July 4, 2024
PubMed
概括
此摘要是机器生成的。

研究人员发布了一套新的数据集,其中包含受欺骗和干扰影响的全球导航卫星系统 (GNSS) 信号. 这些数据对于开发先进的GNSS反伪造和反干扰技术至关重要.

关键词:
在GNSS中使用GNSS.干扰和伪造行为.无线电监控 无线电监控信号处理 信号处理

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相关实验视频

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科学领域:

  • 导航和定位 导航和定位
  • 信号处理 信号处理
  • 网络安全 网络安全

背景情况:

  • 全球导航卫星系统 (GNSS) 信号对于关键基础设施至关重要,但易受伪造和干扰的影响.
  • 缺乏全面的数据集阻碍了开发强大的GNSS防伪和防干扰技术.
  • 现有的研究受到现实世界的干扰数据稀缺性的限制.

研究的目的:

  • 展示全球导航卫星系统 (GNSS) 信号的新型数据集,这些信号受到伪造和干扰.
  • 为科学界提供一个有价值的资源,专注于GNSS安全.
  • 促进对GNSS反伪造和反干扰机制的研究.

主要方法:

  • 在云南大学部署了一套低成本的传感器套件,包括GNSS天线和接收器.
  • 使用软件定义无线电 (SDR) HackRF One 和商用干扰器,人工引入了伪造和干扰干扰.
  • 数据被收集和处理,包括原始接收器输出和衍生信号参数.

主要成果:

  • 该数据集包括来自多个GNSS系统 (GPS,指南针,利略,GLONASS,QZSS) 的原始和处理数据.
  • 原始数据包括硬件信息,卫星细节和接收器参数.
  • 处理的数据包括信号特征,多普勒转移,伪色,载体相位和位置信息.

结论:

  • 这一数据集为研究GNSS漏洞提供了一个独特的资源.
  • 它将支持GNSS安全,防干扰和防伪技术的发展.
  • 这些数据对于旨在提高导航系统弹性研究人员来说至关重要.