Results 31 to 40 of about 7,133 (162)

Design and Implementation of City Traffic Guidance System Based on GPS Equipped Floating Car [PDF]

open access: yes, 2015
随着经济的发展及国民生活水平的提高,越来越多的人选择开车出行,这势必造成交通的拥堵。交通拥挤已经成为各个城市生活的主要问题,在城市建设基本完成的情况,如何充分利用路网的空间成了目前智能交通系统的一个重要的课题。 本文通过将行驶在城市各个方位的出租车作为采集数据的浮动车,将采集的GPS信息在GIS系统中进行处理分析,直观的判断展现路网拥挤度情况,为出行者和监管部门的决策提供实时的信息依据。 结合三亚的情况,出租车作为浮动车,在信息采集技术中首先确定浮动车采样时间间隔和浮动车样本量,之后数据会进行预处理 ...
林小琪
core  

Not All Heroes Wear Capes: Cyber Resilience of the Social Administration at a Swedish Municipality

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 16, Issue 3, September 2025.
ABSTRACT This study examines the role of crisis management as an enabling practice for organizational cyber resilience within the public sector. Taking a stakeholder perspective, this qualitative case study analyzes how a Swedish municipal social administration, which was the victim of a ransomware attack that escalated into a crisis, managed to ...
Anton Holmström, Christine Große
wiley   +1 more source

我国水土保持专家系统的研究现状和发展趋势

open access: yesShuitu Baochi Xuebao, 2002
对目前我国水土保持专家系统的研究和应用现状作了较为详细的综述 ,指出当前研究中存在的一些问题 ,并在分析了专家系统与地理信息系统、决策支持系统等现代科学技术之间关系的基础上 ,指出以智能专家系统技术为核心 ,由地理信息系统技术、决策支持系统、数据库技术和其它技术等组成的技术体系是未来我国水土保持专家系统的发展方向。
饶良懿 侯旭峰 等
doaj   +2 more sources

Design and Implementation of Real Three-Dimensional Urban Planning Support Platform [PDF]

open access: yes, 2015
城市是人类活动最集中的场所,信息化已经成为城市发展与规划的主题, GIS是城市空间信息表达和管理的重要技术手段。近年来,基于GIS技术的各种 城市空间信息管理系统,如城市地下管线系统、土地利用管理信息系统等大多采 用二维平面的管理模式。城市规划涵盖内容广泛,包括城市居住区规划、城市中 心区规划、生态环境规划、历史文物保护规划、市政基础设施工程规划等。随着 现代城市从地面向地下空间、地上空间不断拓展延伸,多层次、立体模式管理逐 渐成为城市规划管理的发展趋势。 本文在对城市规划业务进行充分的考察和了解后 ...
张乐龙
core  

Communication‐Related Vulnerability of War Refugees: The Case of Ukrainians Escaping Russia's Invasion

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 16, Issue 3, September 2025.
ABSTRACT When war refugees arrive in a host country, they may find themselves in a vulnerable condition and struggle to cope in a foreign setting. This article presents a systematic approach to identifying important communication‐related challenges that should be addressed by policymakers at the national level of the host country to reduce the ...
Kristi Aav   +3 more
wiley   +1 more source

Design and Implementation of logistics Vehicle Management System Based on GIS [PDF]

open access: yes, 2015
随着交通的飞速发展,人们对物流业的信息化要求越来越高。物流企业的管理工作如果仅凭传统的人工方式,不但效率低,而且出现失误的概率会更高,在复杂的新问题、新挑战面前将无法应对,同时在同行业的竞争中也处于不利局面。就物流企业而言,拥有一套科学的物流车辆管理系统是非常必要的,它可有效的解决传统人工管理方式中存在的问题,有效的提高工作效率,降低支出成本,在市场竞争中处于更加有利的地位。因此,本文结合物流企业的实际情况,设计和开发了该物流车辆管理系统。 1 ...
覃玉笔
core  

Vegetation dominantly shapes the elevational patterns of archaeal and protistan communities and their ecological functions in the Hengduan Mountains, Tibetan Plateau

open access: yesFunctional Ecology, Volume 39, Issue 9, Page 2327-2341, September 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract While elevational patterns of soil bacterial and fungal communities in mountain ecosystems have been well documented, the assembly processes of soil archaeal and protistan communities, and their linkage with ecosystem multifunctionality (EMF), remain poorly understood ...
Bao‐Min Yao   +14 more
wiley   +1 more source

Study on the early warning system of mineral resources developing(矿产资源开发预警系统研究)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2005
简要介绍了预警和地理信息系统(Geographic Information Systems,GIS)的基本概念、研究现状和领域,并针对矿山开发过程中所出现资源浪费和生态环境破坏等问题,确定了基于资源条件和生态环境影响的矿产资源开发预警指标体系,并建立预警系统.论文通过对浙江省富阳大山顶矿区的实地调查和研究区域的生态环境要求,分析和评价了该矿山的资源状况和区位条件及矿产资源开发对生态环境所造成的影响,以此计算警度,然后确定预警等级和开采类型,并利用GIS的信息管理和空间分析功能,结合矿山所在区域的地理坐标、
SHENHong-xin(沈红心)   +2 more
doaj   +1 more source

Design and Implementation of Management System for Fire Equipment Based on IOT [PDF]

open access: yes, 2015
近年来,物联网技术快速发展,在装备、器材、物资等物料管理领域得到了初步应用,令物料管理模式从依靠人力管理的模式,逐步向智能化管理模式发展。在消防装备管理领域,种类、数量繁多的消防装备智能化管理模式也亟需建立。本文基于物联网概念,融合智能识别、网络互连、无线通信等元素,形成一个连接于消防装备、消防车辆、消防人员和计算机终端之间的小型物联网,从而提升消防装备管理工作的效率和质量。 本文在研究过程中,以当前消防装备管理工作实际情况为出发点,结合射频识别技术、GPS定位技术、地理信息技术、移动通信技术等关键技术,
吴天琦
core  

Trump, Personalism, and US Administrative Capacity

open access: yesPolitics &Policy, Volume 53, Issue 4, August 2025.
ABSTRACT Donald Trump represents an extraordinary degree of personalism in American politics, especially given the traditional power and capacity of the Republican Party and American democracy. A lesson Trump drew from his first term in office is that he needed to better institutionalize mechanisms of personal loyalty to deal with perceived betrayals ...
Donald Moynihan
wiley   +1 more source

Home - About - Disclaimer - Privacy