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相关概念视频

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

70
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...
70
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

66
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...
66
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

77
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...
77
Errors in Global Positioning System01:26

Errors in Global Positioning System

64
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,...
64
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

164
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
164
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

233
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
233

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相关实验视频

Updated: Jul 16, 2025

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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可重新配置的数字卫星基站设计和虚拟功能快速迁移算法

Yuanji Shi1, Ping Wang1, Xiaorong Zhu1

  • 1College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China.

Sensors (Basel, Switzerland)
|September 9, 2023
PubMed
概括
此摘要是机器生成的。

本研究介绍了可重新配置的数字卫星基站架构和自适应迁移算法. 这项创新提高了未来卫星互联网系统的处理能力和资源利用率.

关键词:
快速迁移算法 快速迁移算法通过卫星传输的卫星.虚拟函数 虚拟函数 虚拟函数 虚拟函数

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科学领域:

  • 卫星通信 卫星通信
  • 网络虚拟化 网络虚拟化
  • 分布式计算 (Distributed Computing) 是一种分布式计算.

背景情况:

  • 传统的卫星通信系统由于集中处理地面站而缺乏灵活性和效率.
  • 向多星,多系统融合卫星互联网的发展需要增强机载处理能力.
  • 资源有限的卫星环境需要为动态网络管理提供创新解决方案.

研究的目的:

  • 设计一个可重新配置的数字卫星基站架构.
  • 开发用于动态网络部署的快速自适应迁移算法.
  • 提高卫星网络的处理能力和资源利用率.

主要方法:

  • 设计可重新配置的数字基站架构,将硬件和软件分开,以实现灵活的功能加载.
  • 提出一个快速适应性迁移算法,结合多维环境意识,预计算和实时计算.
  • 在动态环境中进行模拟来评估系统稳定性和迁移成本.

主要成果:

  • 可重新配置的架构允许灵活编程和动态加载基站功能.
  • 适应性迁移算法有效地降低了网络迁移期间的实时计算成本.
  • 模拟证实了在高度动态,充满恒星的卫星环境中增强的系统稳定性.

结论:

  • 将可重新配置的架构和可适应的迁移算法结合起来,创建了一个数字卫星基站系统.
  • 该系统解决了资源有限的卫星设置中低灵活性和高节点动态性的局限性.
  • 提出的解决方案对于开发先进的卫星互联网系统是有效的.