搜索结果: 1-15 共查到“知识库 GEO-C”相关记录232条 . 查询时间(0.062 秒)
首先从参数估计、精度评定和质量控制角度论证了在精密定位中随机模型的重要性；然后基于短基线单差观测模型，采用严密的方差分量估计方法计算了不同频率、不同卫星的相位和伪距观测值精度，任意频率之间的交叉相关性以及不同频率的相位和伪距观测值在不同时间间隔上的时间相关性；随后分析了随机模型对基线精度和整体检验统计量的影响。结果表明：北斗用户接收机数据精度都与高度角相关，建议采用高度角指数加权函数；北斗二号3个...
基于GEO芯片数据的肝癌关键生物标志物的筛选与鉴定及生物信息学分析
肝癌 差异表达基因 生物信息学分析
2021/3/22
基于生物信息学分析方法，获取与正常肝组织具有表达差异、且与肝癌患者生存、病理参数密切相关的肝癌基因。方法 通过GEO 数据库获取三组肝癌芯片表达谱，利用GEO2R 鉴定肝癌组织与正常肝组织具有表达差异的基因；应用DAVID 数据库，富集差异表达基因；使用STRING 数据库及Scytoscape 软件，构建核心差异基因的蛋白质互作网络（protein-protein interaction，PPI...
通过生物信息学的方法分析无/轻度肺气肿与严重肺气肿患者的差异基因。从基因表达数据库（GEO）下载无/轻度肺气肿与严重肺气肿患者的肺组织芯片数据GSE1650，通过t检验获得差异基因。然后使用DAVID数据库对差异表达基因进行基因本体（GO）及京都基因与基因组百科全书（KEGG）信号通路富集分析。再利用STRING数据库对差异表达基因进行蛋白相互作用网络（PPI）分析，并选出关键基因。
MAPPING OF STRIP FOREST IN ADAMPUR RANGE (HARYANA) A GEO-INFORMATICS APPROACH
Strip Forest Forest Mapping Social Forestry HRS - WV Smart GIS Decision Support System
2019/2/27
Haryana state is an intensively cultivated state, and deficient in natural forests. One of the mandate of Haryana Forest Department (HFD) is to afforest for maintenance of environmental stability and ...
AN EVALUATION OF MULTI TIER APPROACH TOWARDS CAPACITY BUILDING AND INSTITUTIONAL STRENGTHENING THROUGH APPLICATION OF GEO SPATIAL TECHNOLOGY IN PURVIEW OF AMRUT SCHEME
Capacity Building Multi Tier Approach Urban Planning Geo-spatial technology AMRUT
2019/2/27
Many initiatives around the world are emphasising to strengthen the capacities of civil society and local governments to build resilience towards the context of urban planning. The Indian cities are e...
GEO-VISUALISATION AND VISUAL ANALYTICS FOR SMART CITIES: A SURVEY
Geo-visualisation Data analytics Spatial data Smart cities User interaction
2018/11/9
Geo-Visualisation (GV) and Visual Analytics (VA) of geo-spatial data have become a focus of interest for research, industries, government and other organisations for improving the mobility, energy eff...
DATA INTEGRATION OF DIFFERENT DOMAINS IN GEO-INFORMATION MANAGEMENT: A RAILWAY INFRASTRUCTURE CASE STUDY
3D city model multi-dimensional modelling multi-source data integration
2018/11/9
A 3D city model is a representation of an urban environment with a three-dimensional geometry of common urban objects and structures, with buildings as the most prominent feature. In the last decades,...
GEO-C: ENABLING OPEN CITIES AND THE OPEN CITY TOOLKIT
Open cities Smart cities GIScience participation transparency Open City Toolkit, doctoral programme GEO-C
2018/11/8
The GEO-C doctoral programme, entitled “Geoinformatics: Enabling Open Cities”, is funded by the EU Marie Skłodowska-Curie actions (International Training Networks (ITN), European Joint Doctorates...
AN INSTANTANEOUS POINT SOURCE DETECTION AND EXTRACTION SYSTEM FOR GEO REMOTE SENSING SATELLITE
Instantaneous Point Source FPGA Remote Sensing Image Reconfigurable
2018/5/14
To accomplish the task of detecting the instantaneous point source, an on-board information real-time processing system is designed which can process the point-source detection with reconfigurable fun...
Building a scientific and ecological earth–on an important field of geo-science: Geo-environment and construction engineering effect
Science Ecology Earth Development Effect
2018/3/23
his paper explores the 12 aspects of geo-environment and construction engineering, including the earth evolution, the structure of geological bodies, the comprehensive utilization of resources, the ge...
VEGETATION ANALYSIS AND LAND USE LAND COVER CLASSIFICATION OF FOREST IN UTTARA KANNADA DISTRICT INDIA THROUGH GEO-INFORMATICS APPROACH
Forest software LULC class NDVI aspect altitude classification imageries
2017/7/12
The study was conducted in Uttara Kannada districts during the year 2012–2014. The study area lies between 13.92° N to 15.52° N latitude and 74.08° E to 75.09° E longitude with...
Effects of geo-ecological conditions on larch wood variations in the North European part of Russia (Arkhangelsk region)
Larix sibirica wood density latewood content ring width
2017/6/26
The present study examines the macrostructure and density of larch wood and possible influences on the productivity of larch stands. The studies were conducted in the middle and sub-tundra taiga in th...
ACCURACY ASSESSMENT OF POINT CLOUDS GEO-REFERENCING IN SURVEYING AND DOCUMENTATION OF HISTORICAL COMPLEXES
Geo-referencing Point Cloud Registration Architectural Heritage Accuracy
2017/6/20
Terrestrial Laser Scanning (TLS) technique is widely used for documentation and preservation of historical sites by for example creating three-dimensional (3-D) digital models or vectorial sketches. I...
分析了一个带有负顾客、N-策略控制的Geo/Geo/1多重工作休假排队系统, 其中正顾客在工作休假及正规忙期以不同的到达率进入系统. 利用拟生灭过程和矩阵几何解方法, 给出了该模型的稳态队长分布及平均队长, 以及系统分别处于假期和忙期的概率. 同时, 对该系统的忙期进行了分析, 并讨论了稳态队长分布在系统容量的优化设计中的应用. 最后, 在给定的费用结构下, 用数值计算例子确定了使系统长期单位时间...