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相关概念视频

Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

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Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
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Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

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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...
376
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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Levels of Use of a GIS01:29

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Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
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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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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: Jan 11, 2026

Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy
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安全的跨层移动传感框架,用于实时灾难报告和可视化,使用移动应用程序.

Rashid Mustafa1, Jun Han1, Nurul I Sarkar2

  • 1School of Information Technology, Whitecliffe College of Arts and Science, Auckland 1010, New Zealand.

Sensors (Basel, Switzerland)
|November 13, 2025
PubMed
概括
此摘要是机器生成的。

一个安全的移动应用程序通过实时报告和可视化来增强灾难响应. 灾难紧急事件应用程序 (DEAPP) 改善了危机沟通和更快的紧急服务的意识.

关键词:
跨层架构的跨层架构.灾难管理 灾难管理危险可视化 危险可视化移动应用程序 移动应用程序实施安全实施安全.用户事件报告.

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科学领域:

  • 计算机科学 计算机科学
  • 信息技术 信息技术 信息技术
  • 应急管理 应急管理

背景情况:

  • 自然灾害和人为灾害的频率不断增加,需要改善灾害应对措施.
  • 传统的信息来源往往提供不完整或延迟的灾难数据.
  • 现有的移动应用程序缺乏为实时危机通信提供全面,安全的解决方案.

研究的目的:

  • 提出一个安全和可扩展的跨层灾害管理系统架构.
  • 开发一个以用户为中心的移动应用程序,用于实时灾难报告和可视化.
  • 解决验证报告,确保数据完整性和创建直观用户界面的挑战.

主要方法:

  • 开发了一个安全且可扩展的跨层架构,连接网络后端,云数据库和Android移动应用程序.
  • 实施了以用户为中心的移动应用程序 (灾害紧急事件应用程序 - DEAPP) 进行实时报告和地图可视化.
  • 集成的安全功能,包括基于角色的访问控制,HTTPS,验证事件发布和Redis缓存,以加速数据访问.

主要成果:

  • 开发的DEAPP促进了实时灾害报告和可视化,包括通知和交互式地图视图.
  • 安全措施确保数据完整性并防止错误报警,而Redis缓存提高了数据访问速度.
  • 该系统在提高灾难意识和使紧急反应更快方面表现出有效性.

结论:

  • 一个安全,可扩展和用户友好的移动系统可以显著改善灾难准备和应对.
  • 拟议的跨层架构为移动灾害管理解决方案提供了坚实的基础.
  • 这些发现为开发人员,研究人员和在灾难场景中使用移动技术的应急组织提供了宝贵的见解.