搜索结果: 76-90 共查到“知识库 大地测量学”相关记录1042条 . 查询时间(2.265 秒)
SURVEY, STRATIGRAPHY OF THE ELEVATIONS, 3D MODELLING FOR THE KNOWLEDGE AND CONSERVATION OF ARCHAEOLOGICAL PARKS: THE CASTLE OF AVELLA
archaeology of architecture medieval fortifications ront orthophotos
2019/3/1
The site of Avella is a precious example of ruined medieval fortification with territorial and landscape values. The width and vulnerability of its masonry remnants require a systematic survey and phy...
INTEGRATION OF SURVEYING TECHNIQUES TO DETECT THE IDEAL SHAPE OF A DOME: THE CASE OF THE ESCUELAS PíAS CHURCH IN VALENCIA
Laser scanner Cultural heritage Thermal camera 3D modelling
2019/2/28
The three-dimensional (3D) documentation and surveying of cultural heritage can be carried out following several geomatics techniques such as laser scanning and thermography in order to detect the ori...
FEATURES OF GEODETIC MAINTENANCE FOR WATER SUPPLY PROJECTS IN AZERBAIJAN
Water supply Sewerage system GIS Programme support Geodetic monitoring Environment Plan-height positioning
2019/2/27
Drinking water supply and sewerage system designing and reconstruction projects are being extensively conducted in Azerbaijan Republic. During implementation of such projects, collecting large amount ...
基于掘进机位姿测量系统的自主标定方法误差分析
掘进机 位姿测量系统 自主标定 Matlab
2018/12/25
围绕在狭长综掘巷道中掘进机位姿激光测量系统位姿参数高精度自动测量的问题，首先系统介绍了位姿测量系统，研究了位姿测量系统测站移站后高精度自动全站仪自主标定原理。依据激光测量原理及掘进机工作特点，构建了全站仪移站后全站仪设站点坐标与定位棱镜坐标测量误差数学平差模型，并通过Matlab进行了不同标定距离、不同测量距离对悬臂式掘进机位姿参数测量误差影响规律的仿真分析。分析结果表明:掘进方向的位姿误差比较大...
IDENTIFICATION OF LOW ACCURACY REGIONS IN LAND COVER MAPS USING UNCERTAINTY MEASURES AND CLASSIFICATION CONFIDENCE
Multispectral images Classification Uncertainty Confidence Accuracy Spatial variation
2018/11/9
The aim of this article is to assess if the data provided by soft classifiers and uncertainty measures can be used to identify regions with different levels of accuracy in a classified image. To this ...
GEOCONTEXT AND CHCONTEXT GEOGRAPHIC INFORMATION IN CULTURAL HERITAGE
cultural heritage web platforms code generation nterpreters geographic visualization geographic content
2018/11/8
Internet presence and applications are central for modern museums and cultural institutions. Even more it is important to facilitate and standardize the user experience in order to create a standard q...
MEASURING SURFACE SUBSIDENCE IN WUHAN, CHINA WITH SENTINEL-1 DATA USING PSINSAR
Subsidence Monitoring TOPS PSInSAR Hazards Sentinel SARPROZ
2018/5/11
We use the potential of Sentinel-1 for urban subsidence monitoring. A case study was conducted in Wuhan using Sentinel-1A images acquired from 22nd June 2015 to the 24th of April 2017 acquired from an...
HYBRID GEOMETRIC CALIBRATION METHOD FOR MULTI-PLATFORM SPACEBORNE SAR IMAGE WITH SPARSE GCPS
SAR image geometric calibration R-D model multi-platform TerraSAR-X TanDEM-X Gaofen-3
2018/5/15
Geometric calibration is able to provide high-accuracy geometric coordinates of spaceborne SAR image through accurate geometric parameters in the Range-Doppler model by ground control points (GCPs). H...
A METHOD OF GENERATING DEM FROM DSM BASED ON AIRBORNE INSAR DATA
InSAR DSM Adaptive Threshold Segmentation DEM, Filtering
2018/5/15
Traditional methods of terrestrial survey to acquire DEM cannot meet the requirement of acquiring large quantities of data in real time, but the DSM can be quickly obtained by using the dual antenna s...
AN ISOMETRIC MAPPING BASED CO-LOCATION DECISION TREE ALGORITHM
Decision tree (DT) Co-location (Cl) Data mining Isometric mapping (Isomap) Geodetic distances Algorithm
2018/5/17
Decision tree (DT) induction has been widely used in different pattern classification. However, most traditional DTs have the disadvantage that they consider only non-spatial attributes (ie, spectral ...
A MATCHING METHOD TO REDUCE THE INFLUENCE OF SAR GEOMETRIC DEFORMATION
SAR image image matching SURF SNCC geometrical deformations
2018/5/14
There are large geometrical deformations in SAR image, including foreshortening, layover, shade，which leads to SAR Image matching with low accuracy. Especially in complex terrain area, the control poi...
中国居民税收公平感的维度及测量
税收 公平感 维度 测量
2018/11/16
结合传统税收理论和组织公平理论对居民税收公平感的维度界定与测量进行了探索性研究。首先提出了一个由横向公平、纵向公平、交换公平、程序公平和分配公平构成的五维度公平模型，并从理论上界定了这五个维度之间的从属关系。然后根据不同税收公平维度的含义确定测量指标并进行了实证分析，形成税收公平感的测量模型。最后从理论和实践意义角度对研究结果进行了讨论。
3-DIMENSIONAL GEOMETRIC SURVEY AND STRUCTURAL MODELLING OF THE DOME OF PISA CATHEDRAL
Structural analysis Laser scanning Photogrammetry Cultural Heritage Dome
2017/4/5
This paper aims to illustrate the preliminary results of a research project on the dome of Pisa Cathedral (Italy). The final objective of the present research is to achieve a deep understanding of the...
NOVEL SNOW DEPTH RETRIEVAL METHOD USING TIME SERIES SSMI PASSIVE MICROWAVE IMAGERY
Snow Depth Support Vector Regression Nonlinear Modeling Genetic Algorithm band combination
2016/11/30
The Special Sensor Microwave Imager (SSM/I) and the Special Sensor Microwave Imager Sounder (SSM/IS) are satellites that work in passive microwave range. The SSM/I has capability to measure geophysica...
SPATIOTEMPORAL DYNAMICS OF SURFACE WATER EXTENT FROM THREE DECADES OF SEASONALLY CONTINUOUS LANDSAT TIME SERIES AT SUBCONTINENTAL SCALE
Landsat time-series seasonally continuous surface water dynamics flooding dynamics Murray-Darling Basin Australia competing water demands drought random forest long term trends water river basin water management
2016/11/30
Surface water is a critical resource in semi-arid areas. The Murray-Darling Basin (MDB) of Australia, one of the largest semi-arid basins in the world is aiming to set a worldwide example of how to ba...