搜索结果: 76-90 共查到“知识库 地图学”相关记录117条 . 查询时间(6.289 秒)
Landslide monitoring by using sensor and wireless technique: a review
Landslide Sensor Zigbee GSM/GPRS Gateway WSN Mobile IP
2014/11/12
The sensor is a major device in electronics for measuring physical data from the environment. Immense applications in the field of an early warning system in space sciences, atmospheric sciences & aer...
Edge detection process of Qom salt dome gravity anomalies using hyperbolic tilt angle
Edge Detection Hyperbolic Tilt Angle Theoretical and Field Gravity Anomalies
2014/11/11
In recent decade the edge detection procedure has been of great utility in the modeling and
interpretation of self-potential, magnetic and gravity anomalies. This paper applies a precise
edge dete...
Comparison of ground based, satellite estimated and modeled solar UV Index in three major cities of Nepal
UV index OMI Ozone Clouds Radiative.
2014/11/11
Sun is the ultimate source of energy and its emission includes Ultraviolet (UV), visible and
infrared radiation. UV radiation is a part of electromagnetic spectrum and is divided into
three region...
Forest cover change in ho municipality of the Volta region, Ghana
Deforestation image classification accuracy assessment change detection
2014/11/11
Forests have for long provided life support to the rural people of Ghana, most especially in
the Ho Municipality where the forest provides fertile land for food crop production, timber
for housing...
Land use/land cover change detection: a case study of Usilampatti Block, Madurai District, Tamil Nadu
Land use/land cover change detection Usilampatti Block
2014/11/11
Land use/land cover change detection: a case study of Usilampatti Block, Madurai District, Tamil Nadu。
采用对偶拓扑方法构建基于广义路网拓扑的复杂交通网络，通过引入m阶邻居节点概念，考虑复杂交通网络中节点度、介中心及节点间距离等因素，顾及节点自身及1到m阶邻居节点的重要度贡献，定义了节点重要度评价模型，进而提出一种基于m阶邻居节点重要度贡献的道路网自动选取方法，并基于网络最小规模原则保持选取道路的连通性。为检验方法的有效性，引入度分布评价所选取道路对路网整体结构及拓扑特性的保持程度，并采用实际城市路...
GIS-BASED SMART CARTOGRAPHY USING 3D MODELING
Cartography Digital mapping GIS 3D City Mode CityGML Interoperability
2014/4/21
3D City Models have evolved to be important tools for urban decision processes and information systems, especially in planning,
simulation, analysis, documentation and heritage management. On the ot...
从旅游地图的定义、分类和价值等理论问题入手，分析了我国旅游地图的发展现状和存在问题。认为旅游地图应采用先进制作手段，研究吸收现代设计理论，努力提高设计水平，开发出更多更好的地图产品，以满足市场需求；在营销方面应全面拓宽市场销售渠道，有选择地合理登载广告，创造更明显的社会效益和经济效益。
数字地球及其在土地管理中的应用初探
数字地球 土地管理 虚拟现实
2009/10/26
为使土地管理I作信息化、同络化，分析了土地管理的信息化特征，并提出利用数字地球先进
的空间、信息厦同络技术，高效地管理和利用土地信息资源，在数字地球的基础上进行土地管理，可以提高土地管理的科学水平。
配电网络重构的FPT-算法
配电网络 重构 图论 FPT-算法
2009/8/31
将地区电网停电恢复问题转化为顶点覆盖问题,针对规模巨大的实际配电系统,将FPT-算法的思想引入配电网络重构,提出一种配电网络重构的FPT-算法,通过用图的多划分方法来化简配电网络重构问题的核心及对划分后子图的限定搜索树方法两个步骤对问题求最优解,这具有实用前景,也为人们对此问题寻找新方法提供更多的参考信息.
Pages 99 - 100: China and USA in the Pacific and the Caribbean: Whose Incursion, Whose Territory? A Brief Rejoinder to McElroy and Bai
Australia chequebook diplomacy China incursion Taiwan USA
2010/9/13
The title of the article in Island Studies Journal by McElroy and Bai (2008) illustrates an inherent bias. It says that it is about China’s “incursion” into the Caribbean and Pacific. The Oxford on-li...
《中国历史地图集》1－8册
中国历史地图集 历代疆域政区 普通地图集
2009/1/12
《中国历史地图集》是一部以历代疆域政区为主的普通地图集。也是迄今为止国内外同类地图中质量最高、内容最详、印制最精的一种。由已故中国科学院院士谭其骧主编，复旦大学中国历史地理研究所、中国社会科学院有关研究所、中央民族学院、南京大学、云南大学数十位学者历时三十余年合作完成，1974年起曾以中华地图学社名义出版内部试行本；1980年决定进行修订后公开发行；1982－1988年由中国地图出版社出版；199...
利用地形图批量生产DEM数据的方法
地形图 矢量化 批量生产 DEM
2008/12/3
数字高程模型(DEM)在生产中的应用越来越广泛，作者结合实际工作，探讨了一种以地形图为基础资料，通过扫描、屏幕数字化生产DEM数据的方法和过程．结果显示，用这种方式生产出来的DEM数据成本低廉、生产周期短，可批量生产，有较高的实用价值．
QUANTITATIVE COMPARISON OF SEGMENTATION RESULTS FROM IKONOS IMAGES SHARPENED BY DIFFERENT FUSION AND INTERPOLATION TECHNIQUES
Image Sharpening Segmentation IKONOS
2015/11/16
The image sharpening and segmentation procedures have great importance on the classification success. For this reason this work
proposes to evaluate segmentation results obtained from IKONOS images ...