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相关概念视频

Field Application of Global Positioning System01:28

Field Application of Global Positioning System

72
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...
72
Errors in Global Positioning System01:26

Errors in Global Positioning System

75
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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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

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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...
122
Light Acquisition02:16

Light Acquisition

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In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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Introduction to Global Positioning System01:30

Introduction to Global Positioning System

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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,...
101
Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

66
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short...
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相关实验视频

Updated: Jul 26, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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室内高精度可见光定位系统使用Jaya算法.

Cuicui Cai1, Maosheng Fu1, Xianmeng Meng2

  • 1School of Electronics and Information Engineering, West Anhui University, Lu'an 237012, China.

Mathematical biosciences and engineering : MBE
|June 16, 2023
PubMed
概括
此摘要是机器生成的。

一个新的室内定位系统使用可见光通信 (VLC) 和Jaya算法进行高精度的3D定位. 这种方法的平均误差为1.06厘米,显著超过其他算法.

关键词:
贾雅算法 贾雅算法室内定位系统 室内定位系统位置准确性 位置准确性接收到的信号强度的信号强度.可见光通信可见光通信

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相关实验视频

Last Updated: Jul 26, 2025

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Published on: April 1, 2020

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科学领域:

  • 电气工程 电气工程
  • 计算机科学 计算机科学
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 室内定位系统 (IPS) 对各种应用至关重要.
  • 可见光通信 (VLC) 由于其简单性和精确性,为IPS提供了一个有前途的技术.
  • 接收信号强度 (RSS) 是VLC系统定位的常见原则.

研究的目的:

  • 使用Jaya算法提出一个室内三维 (3D) 可见光定位 (VLP) 系统.
  • 与现有方法相比,提高室内定位的精度.

主要方法:

  • 实现一个利用Jaya算法的3D VLP系统.
  • 使用接收信号强度 (RSS) 来估计位置.
  • 使用哈里斯·霍克斯优化 (HHO),群优化 (ACO-ABOM) 和修改的人工鱼算法 (MAFSA) 的比较分析.

主要成果:

  • 在3D室内环境中,Jaya算法实现了1.06厘米的平均定位误差.
  • 性能比较显示,平均误差低于HHO (2.21厘米),ACO-ABOM (1.86厘米) 和MAFSA (1.56厘米).
  • 在运动场景中,拟议的系统实现了0.84厘米的高精度误差.

结论:

  • 贾雅算法提供了一种高效准确的方法,用于使用VLC进行3D室内定位.
  • 拟议的系统比其他测试过的算法表现出更高的性能.
  • 这种方法对推进高精度室内定位应用具有重大潜力.